# Tools Without AI

> Free client-side utility tools. No AI. No uploads. Your files never leave your device.

Every tool is a static page plus client-side code. There is no file upload API and no AI processing. Files and text stay in the browser tab.

- Full HTML directory: https://toolswithoutai.com/tools
- HTML sitemap: https://toolswithoutai.com/sitemap
- XML sitemap: https://toolswithoutai.com/sitemap.xml
- 209 live tools

## Optional

- [About](https://toolswithoutai.com/about): Why tools run in the browser with no uploads.
- [Privacy](https://toolswithoutai.com/privacy): Privacy policy.
- [Blog](https://toolswithoutai.com/blog): Guides on client-side utilities.

## Image tools

- [AVIF to JPG](https://toolswithoutai.com/image-tools/avif-to-jpg): Convert AVIF images to JPEG in your browser. Decode and re-encode on-device. Your files never leave the page.
- [AVIF to PNG](https://toolswithoutai.com/image-tools/avif-to-png): Convert AVIF images to PNG in your browser. Your files never leave your device. Free and private.
- [Base64 to image](https://toolswithoutai.com/image-tools/base64-to-image): Base64 string → image download. Decode locally.
- [Compress Image](https://toolswithoutai.com/image-tools/compress-image-to-size): Compress JPG, PNG or WebP to a target file size in your browser. Your files never leave your device. Free and private.
- [Favicon Generator](https://toolswithoutai.com/image-tools/favicon-generator): Turn one image into a favicon pack: ICO, 16×16, 32×32, Apple 180, Android 192 and 512. Runs in your browser. No upload.
- [Flip Image](https://toolswithoutai.com/image-tools/flip-image): Flip any image horizontally or vertically in your browser. Your files never leave your device. Free and private.
- [HEIC to JPG](https://toolswithoutai.com/image-tools/heic-to-jpg): Convert HEIC and HEIF photos to JPG in your browser. No upload. No account. Your files never leave your device.
- [HEIC to PNG](https://toolswithoutai.com/image-tools/heic-to-png): Convert HEIC (iPhone) images to PNG in your browser. No uploads or accounts. Your photo stays on your device.
- [Image Color Correction Tool](https://toolswithoutai.com/image-tools/color-correction): Adjust brightness, contrast and saturation of any image in your browser. Private, no upload.
- [Image color palette extractor](https://toolswithoutai.com/image-tools/image-color-palette-extractor): Drop an image. Sample pixels on a canvas and cluster frequent colors. Files never leave the device.
- [Image Compressor – Private Quality Control](https://toolswithoutai.com/image-tools/image-compressor): Compress JPG, PNG, WebP with a live quality slider. 100% client-side. Files never leave your browser. Free, no watermark.
- [Image Cropper](https://toolswithoutai.com/image-tools/crop-image): Crop any image by selecting a region in your browser. Your files never leave your device. Free, private, no upload.
- [Image DPI calculator](https://toolswithoutai.com/image-tools/image-dpi-calculator): Pixels + print size → DPI/PPI (and the reverse). Math in the browser; optional EXIF from a local file.
- [Image Format Converter Hub](https://toolswithoutai.com/image-tools/image-format-converter): Convert between popular image formats in your browser. No upload, free, no watermark.
- [Image Grayscale Converter](https://toolswithoutai.com/image-tools/grayscale-image): Convert any photo to black and white in your browser. Your files never leave your device. Free and private.
- [Image Resizer](https://toolswithoutai.com/image-tools/resize-image): Resize any image by pixels or percentage in your browser. Your files never leave your device. Free, private, no upload required.
- [Image to Base64](https://toolswithoutai.com/image-tools/image-to-base64): Image file → Base64 string in the browser. Copy or embed. No server.
- [Image to WebP](https://toolswithoutai.com/image-tools/image-to-webp): Convert JPG or PNG to WebP in your browser. Your files never leave your device. Free and private.
- [JPG to PNG](https://toolswithoutai.com/image-tools/jpg-to-png): Convert JPG images to PNG in your browser. Your files never leave your device. Free and private.
- [PNG to JPG](https://toolswithoutai.com/image-tools/png-to-jpg): Convert PNG images to JPG with quality control in your browser. Your files never leave your device. Free and private.
- [Remove EXIF data](https://toolswithoutai.com/image-tools/remove-exif-data): Clean metadata from images in your browser. Photos are not uploaded; processing stays on your device.
- [Rotate Image](https://toolswithoutai.com/image-tools/rotate-image): Rotate any image by 90°, 180°, 270° or a custom angle in your browser. Your files never leave your device. Free and private.
- [SVG sanitizer](https://toolswithoutai.com/image-tools/svg-sanitizer): Sanitize SVG code, remove scripts and bloat locally. 100% private, no-upload processing with zero server latency.
- [SVG to data URI](https://toolswithoutai.com/image-tools/svg-to-data-uri): SVG → data URI (and a copy-paste CSS/HTML snippet). Runs in the browser.
- [SVG to JPG](https://toolswithoutai.com/image-tools/svg-to-jpg): Convert SVG to JPEG in your browser. Your files never leave your device. Free and private.
- [SVG to PNG](https://toolswithoutai.com/image-tools/svg-to-png): Rasterize SVG to PNG in your browser. Your files never leave your device. Free and private.
- [WebP to JPG](https://toolswithoutai.com/image-tools/webp-to-jpg): Convert WebP images to JPEG in your browser. Your files never leave your device. Free and private.
- [WebP to PNG](https://toolswithoutai.com/image-tools/webp-to-png): Convert WebP images to PNG in your browser. Your files never leave your device. Free and private.

## PDF tools

- [Add PDF Page Numbers](https://toolswithoutai.com/pdf-tools/add-pdf-page-numbers): Add page numbers to the footer of every page in a PDF in your browser. Your files never leave your device. Free and private.
- [Compress PDF – Private & Fast](https://toolswithoutai.com/pdf-tools/compress-pdf): Compress PDF files in your browser. Lower file size while keeping quality. Private, free, no watermark.
- [Crop PDF Pages](https://toolswithoutai.com/pdf-tools/crop-pdf-pages): Trim margins and crop pages of a PDF in your browser. Your files never leave your device. Free and private.
- [Delete PDF Pages](https://toolswithoutai.com/pdf-tools/delete-pdf-pages): Remove selected pages from a PDF in your browser. Your files never leave your device. Free and private.
- [Extract PDF Pages](https://toolswithoutai.com/pdf-tools/extract-pages-from-pdf): Extract selected pages from a PDF into a new PDF in your browser. Your files never leave your device. Free and private.
- [Extract Text from PDF](https://toolswithoutai.com/pdf-tools/extract-text-from-pdf): Pull all text from a PDF instantly in your browser. No upload, free, no account.
- [Images to PDF](https://toolswithoutai.com/pdf-tools/images-to-pdf): Merge JPG/PNG (and similar) into one PDF in the browser. Add images, reorder, download. No uploads or watermarks.
- [Invoice Generator – Create & Download PDF](https://toolswithoutai.com/pdf-tools/invoice-generator): Create professional invoices and download as PDF. 100% client-side, no account, private.
- [Merge PDF](https://toolswithoutai.com/pdf-tools/merge-pdf): Merge multiple PDFs into one file in your browser. Your files never leave your device. No upload, no account, 100% private and free.
- [Password-Protect & Unlock PDF](https://toolswithoutai.com/pdf-tools/password-protect-pdf): Add or remove PDF passwords entirely in your browser. You supply the password; we never see it or the file.
- [PDF Page Counter](https://toolswithoutai.com/pdf-tools/pdf-page-counter): Count the number of pages in a PDF instantly in your browser. Your files never leave your device. Free and private.
- [PDF redactor](https://toolswithoutai.com/pdf-tools/pdf-redactor): Permanently black out sensitive PDF text locally. 100% private, no-upload processing with zero server latency.
- [PDF to JPG — selected pages](https://toolswithoutai.com/pdf-tools/pdf-to-jpg-pages): Convert chosen PDF pages to JPG in your browser. Pick a page range and download only those images. Nothing is stored on a server.
- [PDF to PNG](https://toolswithoutai.com/pdf-tools/pdf-to-png): Convert PDF pages to PNG images in your browser. Your files never leave your device. Free and private.
- [Remove PDF Metadata](https://toolswithoutai.com/pdf-tools/remove-pdf-metadata): Strip author, title and other metadata from a PDF in your browser. Your files never leave your device. Free and private.
- [Reorder PDF Pages](https://toolswithoutai.com/pdf-tools/reorder-pdf-pages): Drag and drop to reorder pages in a PDF in your browser. Your files never leave your device. Free and private.
- [Rotate PDF Pages](https://toolswithoutai.com/pdf-tools/rotate-pdf-pages): Rotate pages inside a PDF in your browser. Your files never leave your device. Free and private.
- [Split PDF](https://toolswithoutai.com/pdf-tools/split-pdf): Split a PDF into separate pages or custom ranges in your browser. Your files never leave your device. Free, private, no upload required.
- [Text to PDF](https://toolswithoutai.com/pdf-tools/text-to-pdf): Convert pasted text to a PDF locally. 100% private, no-upload processing with zero server latency.
- [Watermark PDF – Private Stamping Tool](https://toolswithoutai.com/pdf-tools/watermark-pdf): Add text or image watermarks to every page of a PDF. 100% client-side, private, free.

## Data tools

- [Bank statement to CSV](https://toolswithoutai.com/data-tools/bank-statement-to-csv): Reformat bank statement text to CSV locally. 100% private, no-upload processing with zero server latency.
- [CSV column extractor](https://toolswithoutai.com/data-tools/csv-column-extractor): Keep only chosen CSV columns. Output a new CSV. Local only.
- [CSV duplicate remover](https://toolswithoutai.com/data-tools/csv-deduplicator): Remove duplicate CSV rows by selected columns. Paste or drop; download cleaned CSV. Local only.
- [CSV editor](https://toolswithoutai.com/data-tools/csv-editor): Paste CSV, edit cells in a grid, and download CSV or PDF locally. 100% private, no-upload processing with zero server latency.
- [CSV pivot and unpivot](https://toolswithoutai.com/data-tools/csv-pivot-unpivot): Pivot a CSV on a key column or unpivot wide columns into rows. Local parse.
- [CSV to HTML Table](https://toolswithoutai.com/data-tools/csv-to-html): Turn CSV into clean HTML table markup in your browser. Your data never leaves your device. Free and private.
- [CSV to JSON](https://toolswithoutai.com/data-tools/csv-to-json): Convert CSV to JSON in your browser. Paste or drop a file; choose headers and delimiter. Local only.
- [CSV to Markdown](https://toolswithoutai.com/data-tools/csv-to-markdown): Turn CSV into a Markdown table in your browser. Processing stays local.
- [CSV to SQL INSERT](https://toolswithoutai.com/data-tools/csv-to-sql-insert): Turn CSV into INSERT statements. Identifiers are quoted. Runs in the browser.
- [CSV to XML](https://toolswithoutai.com/data-tools/csv-to-xml): Convert a CSV table to XML in your browser. Your data never leaves your device. Free and private.
- [CSV to YAML](https://toolswithoutai.com/data-tools/csv-to-yaml): Convert CSV to YAML in your browser. Your data never leaves your device. Free and private.
- [CSV Transpose](https://toolswithoutai.com/data-tools/transpose-csv): Swap rows and columns of a CSV in your browser. Your data never leaves your device. Free and private.
- [JSON Formatter](https://toolswithoutai.com/data-tools/json-formatter): Pretty-print and format JSON in your browser. Your data never leaves your device. Free, private, no upload required.
- [JSON minifier](https://toolswithoutai.com/data-tools/json-minifier): Minify JSON in your browser by removing whitespace. Data is not sent to a server.
- [JSON structural diff](https://toolswithoutai.com/data-tools/json-structural-diff): Compare two JSON documents for added, removed, and changed paths. No upload.
- [JSON to CSV](https://toolswithoutai.com/data-tools/json-to-csv): Convert JSON to CSV in your browser. Paste an array or object; nested keys are flattened. Data is not sent to a server.
- [JSON to XML](https://toolswithoutai.com/data-tools/json-to-xml): Convert JSON data to XML format in your browser. Your data never leaves your device. Free and private.
- [JSON to YAML | JSON ↔ YAML](https://toolswithoutai.com/data-tools/json-to-yaml): Convert JSON to YAML (and YAML to JSON) in the browser. Structure and indentation preserved. Config never uploaded.
- [JSON Validator](https://toolswithoutai.com/data-tools/json-validator): Validate JSON syntax and find errors instantly in your browser. Your data never leaves your device. Free and private.
- [XML formatter](https://toolswithoutai.com/data-tools/xml-formatter): Format and indent XML in your browser using the native parser. No server communication.
- [XML to JSON](https://toolswithoutai.com/data-tools/xml-to-json): Convert XML to JSON in your browser. Your data never leaves your device. Free and private.
- [YAML to JSON](https://toolswithoutai.com/data-tools/yaml-to-json): Convert YAML to JSON in your browser. Your data never leaves your device. Free and private.

## Developer tools

- [.env validator](https://toolswithoutai.com/developer-tools/env-validator): Validate .env syntax and duplicate keys locally. 100% private, no-upload processing with zero server latency.
- [(BETA) Video trimmer](https://toolswithoutai.com/developer-tools/video-tools): BETA. Trim video to WebM in your browser. No upload. MP4 (H.264) and WebM work best; many screen recordings will not decode.
- [Adler-32 Checksum Calculator](https://toolswithoutai.com/developer-tools/adler-32-checksum): Compute Adler-32 checksums used by zlib and PNG. Browser-only, no upload.
- [Age Calculator](https://toolswithoutai.com/developer-tools/age-calculator): Calculate exact age in years, months, days. Free, private, instant.
- [API header cleaner](https://toolswithoutai.com/developer-tools/api-header-cookie-cleaner): Clean API tokens, Authorization headers and cookies locally. 100% private, no-upload processing with zero server latency.
- [Argon2 Password Hash Generator & Verifier](https://toolswithoutai.com/developer-tools/argon2-hash-generator): Generate and verify Argon2id/i/d password hashes with full memory/time/parallelism control. 100% browser-based.
- [ASCII to hex](https://toolswithoutai.com/developer-tools/ascii-to-hex): Convert text to hexadecimal in your browser. Encoding is local.
- [Audio Tools – Private Editing Suite](https://toolswithoutai.com/developer-tools/audio-tools): Edit audio (trim, convert, merge, volume) in your browser. No upload required.
- [Barcode Generator – Multiple Symbologies](https://toolswithoutai.com/developer-tools/barcode-generator): Create scannable barcodes (UPC-A, EAN-13, Code 128, Code 39…). Download PNG/SVG. Private, free.
- [Barcode Scanner Tool](https://toolswithoutai.com/developer-tools/barcode-scanner): Scan 1D barcodes (UPC, EAN, Code 128…) with your camera or from an image. Private, client-side.
- [Base32 Encoder](https://toolswithoutai.com/developer-tools/base32-encoder): Encode text or data to Base32 (RFC 4648). 100% client-side, free.
- [Base32 encoder / decoder](https://toolswithoutai.com/developer-tools/base32-decoder): Encode or decode Base32 (RFC 4648) in your browser. Text stays in this tab.
- [Base58 Encoder / Decoder](https://toolswithoutai.com/developer-tools/base58-encoder-decoder): Encode or decode Base58 (Bitcoin alphabet) for text or hex. 100% client-side, private.
- [Base62 Encoder / Decoder](https://toolswithoutai.com/developer-tools/base62-encoder-decoder): Encode/decode Base62 for compact alphanumeric strings. Browser-only, no upload.
- [Base64 Encoder Decoder](https://toolswithoutai.com/developer-tools/base64-encoder-decoder): Encode text to Base64 or decode Base64 to text in your browser. Your data never leaves your device. Free and private.
- [Base64 to File – Private Decoder](https://toolswithoutai.com/developer-tools/base64-to-file): Paste Base64 and download the original file (image, PDF, etc.). 100% private, client-side.
- [Base85 (Ascii85) Encoder / Decoder](https://toolswithoutai.com/developer-tools/base85-encoder-decoder): Encode or decode Base85 (Ascii85) data. 100% client-side and private.
- [Bcrypt generator](https://toolswithoutai.com/developer-tools/bcrypt-generator): Hash text with bcrypt in your browser. Work runs locally. The plaintext is not sent to a server.
- [Binary Encoder / Decoder](https://toolswithoutai.com/developer-tools/binary-encoder-decoder): Convert text to binary and binary back to text. Free, private, client-side.
- [BLAKE3 Hash Generator – Private & Lightning Fast](https://toolswithoutai.com/developer-tools/blake3-hash-generator): Generate BLAKE3 hashes (text or file) with keyed & derive-key modes. 100% browser-based, no upload, no AI. Free & private.
- [Box-shadow generator](https://toolswithoutai.com/developer-tools/box-shadow-generator): Layer CSS box-shadows with offset, blur, spread, and color. Copy the declaration.
- [Camera Test Tool](https://toolswithoutai.com/developer-tools/camera-test): Test your webcam or camera feed instantly. No recording stored, no upload.
- [Cookie string auditor](https://toolswithoutai.com/developer-tools/cookie-string-auditor): Parse Cookie or Set-Cookie strings. Flag missing Secure/HttpOnly/SameSite and oversize values.
- [CORS preflight debugger](https://toolswithoutai.com/developer-tools/cors-preflight-debugger): Simulate an OPTIONS preflight from origin, method, and request headers. No network call.
- [CRC32 Checksum Calculator – Private Integrity Checks](https://toolswithoutai.com/developer-tools/crc32-checksum): Calculate CRC-32 (IEEE, Castagnoli, BZIP2, etc.) for text or files in your browser. Never uploaded. Free forever.
- [CRC64 Checksum Calculator](https://toolswithoutai.com/developer-tools/crc64-checksum): Generate CRC-64 checksums (ECMA-182 and variants) for text or files. 100% client-side, no upload.
- [Create ZIP Archive – Client-Side](https://toolswithoutai.com/developer-tools/create-zip): Bundle files into a ZIP archive in your browser. No upload, no size limits beyond device memory.
- [Cron expression explainer](https://toolswithoutai.com/developer-tools/cron-expression-explainer): Turn a cron expression into plain English and upcoming run times. Runs in the browser.
- [Cron visualizer](https://toolswithoutai.com/developer-tools/cron-schedule-visualizer): Visualize cron schedules on a calendar grid locally. 100% private, no-upload processing with zero server latency.
- [CSP evaluator](https://toolswithoutai.com/developer-tools/csp-evaluator): Parse a Content-Security-Policy header. Flag unsafe-inline, wildcards, and missing object-src. Local parse.
- [CSP hash and nonce generator](https://toolswithoutai.com/developer-tools/csp-hash-generator): SHA-256 hash inline scripts for CSP, or mint a cryptographically random nonce. Web Crypto in this tab.
- [CSS clip-path maker](https://toolswithoutai.com/developer-tools/css-clip-path-maker): Build polygon() clip-path from a few presets or point list. Copy CSS.
- [CSS flexbox playground](https://toolswithoutai.com/developer-tools/css-flexbox-playground): Toggle flex-direction, wrap, justify-content, and align-items on a live preview. Copy CSS.
- [CSS gradient generator](https://toolswithoutai.com/developer-tools/css-gradient-generator): Build linear or radial CSS gradients. Copy the background-image. Preview in this tab.
- [CSS grid builder](https://toolswithoutai.com/developer-tools/css-grid-builder): Set columns, rows, and gap. Preview grid-template. Copy CSS.
- [CSS Minifier](https://toolswithoutai.com/developer-tools/css-minifier): Minify CSS code by removing whitespace in your browser. Your code never leaves your device. Free and private.
- [Extract / Unzip Online – 100% Private](https://toolswithoutai.com/developer-tools/extract-zip): Open and extract ZIP archives in your browser. Preview contents, download selectively. No upload.
- [Fetch metadata simulator](https://toolswithoutai.com/developer-tools/fetch-metadata-simulator): Pick dest, mode, site, and user to see Sec-Fetch-* request headers a browser would send.
- [File Hash Calculator – Private Multi-Algorithm Checksums](https://toolswithoutai.com/developer-tools/file-hash-calculator): Hash any file with SHA-224/256/512, SHA-3, BLAKE3, CRC32 and more. 100% client-side. Files never leave your browser.
- [File to Base64 – Private Converter](https://toolswithoutai.com/developer-tools/file-to-base64): Convert any file (image, PDF, etc.) to Base64 in your browser. Never uploaded. Free.
- [Hex to ASCII](https://toolswithoutai.com/developer-tools/hex-to-ascii): Convert hexadecimal to ASCII text in your browser. No data is uploaded.
- [HMAC Generator](https://toolswithoutai.com/developer-tools/hmac-generator): Compute HMAC (SHA-256 etc.) signatures in your browser. Your data never leaves your device. Free and private.
- [HTML Formatter](https://toolswithoutai.com/developer-tools/html-formatter): Beautify and indent HTML code in your browser. Your code never leaves your device. Free and private.
- [iframe sandbox and COOP/COEP builder](https://toolswithoutai.com/developer-tools/iframe-sandbox-builder): Compose iframe sandbox tokens and Cross-Origin-Opener/Embedder-Policy headers. Copy attributes.
- [JSON Path Tester](https://toolswithoutai.com/developer-tools/json-path-tester): Test JSONPath expressions against JSON in your browser. Your data never leaves your device. Free and private.
- [JSON to TypeScript Interface](https://toolswithoutai.com/developer-tools/json-to-typescript): Generate TypeScript interfaces from JSON objects in your browser. Your data never leaves your device. Free and private.
- [JWT creator and signer](https://toolswithoutai.com/developer-tools/jwt-signer): Build HS256 JWTs in the browser with Web Crypto. Header, payload, HMAC. Keys never leave the tab.
- [JWT inspector](https://toolswithoutai.com/developer-tools/jwt-inspector): Decode and inspect JWTs in your browser. Header, payload, and signature. Optional local verify if you paste a key. The token is not sent anywhere.
- [Keccak Hash Generator](https://toolswithoutai.com/developer-tools/keccak-hash-generator): Compute raw Keccak hashes (including Ethereum’s keccak-256). 100% client-side, private.
- [Log file analyzer](https://toolswithoutai.com/developer-tools/log-file-analyzer): Inspect a text log in the browser: search, filter, simple stats. Log contents stay on the device.
- [Logcat filter](https://toolswithoutai.com/developer-tools/logcat-filter): Filter huge Android Logcat files instantly in your browser. 100% private, no-upload processing with zero server latency.
- [MD5 hash generator](https://toolswithoutai.com/developer-tools/md5-hash-generator): Compute MD5 checksums of text or files in your browser. MD5 is a legacy digest, not a password hash. Nothing is uploaded.
- [Microphone Test Tool](https://toolswithoutai.com/developer-tools/microphone-test): Test your microphone volume and input instantly. No upload, no account, private.
- [Morse Code Translator](https://toolswithoutai.com/developer-tools/morse-translator): Encode text to Morse code or decode Morse back to text in your browser. Your data never leaves your device. Free and private.
- [Number Base Converter](https://toolswithoutai.com/developer-tools/number-base-converter): Convert numbers between binary, octal, decimal and hex in your browser. Your data never leaves your device. Free and private.
- [OAuth PKCE generator](https://toolswithoutai.com/developer-tools/oauth-pkce-generator): Create a code_verifier and S256 code_challenge with Web Crypto. Nothing is sent to an auth server from this page.
- [Password Strength Checker](https://toolswithoutai.com/developer-tools/password-strength-checker): Check password length and character classes in your browser. The password is never sent anywhere. Free and private.
- [PBKDF2 Key Derivation Function](https://toolswithoutai.com/developer-tools/pbkdf2-generator): Derive keys with PBKDF2-HMAC-SHA256/512. Configurable iterations & length. 100% client-side.
- [Permissions-Policy builder](https://toolswithoutai.com/developer-tools/permissions-policy-builder): Build a Permissions-Policy / Feature-Policy header for camera, mic, geolocation, and payment.
- [PWA manifest checker](https://toolswithoutai.com/developer-tools/pwa-manifest-checker): Paste web app manifest JSON. Check name, icons, display, and start_url. Installability heuristics only.
- [QR Code Generator](https://toolswithoutai.com/developer-tools/qr-code-generator): Generate a QR code image from text or URL in your browser. Your data never leaves your device. Free and private.
- [QR Code Scanner – Private Browser Tool](https://toolswithoutai.com/developer-tools/qr-code-scanner): Scan QR codes using your camera or by uploading an image. 100% client-side, private.
- [Query String Parser](https://toolswithoutai.com/developer-tools/query-string-parser): Parse URL query strings into key/value pairs in your browser. Your data never leaves your device. Free and private.
- [Regex tester](https://toolswithoutai.com/developer-tools/regex-tester): Test JavaScript regular expressions against text in your browser. Patterns and samples stay local.
- [RIPEMD-160 Hash Generator](https://toolswithoutai.com/developer-tools/ripemd-160-hash-generator): Generate RIPEMD-160 hashes used in Bitcoin addresses. Client-side, no upload.
- [Scientific Calculator](https://toolswithoutai.com/developer-tools/scientific-calculator): Full scientific calculator with trig, logs, powers, constants. Runs in your browser, no account.
- [Screen-reader-only CSS generator](https://toolswithoutai.com/developer-tools/sr-only-generator): Emit a modern visually-hidden / sr-only CSS snippet and a sample span.
- [scrypt Password Hash & Key Derivation](https://toolswithoutai.com/developer-tools/scrypt-generator): Generate scrypt hashes and derived keys with custom N/r/p parameters. Client-side only.
- [Secure password generator](https://toolswithoutai.com/developer-tools/secure-password-generator): Generate strong passwords with the Web Crypto API in your browser. Nothing is sent or stored on a server.
- [Security headers generator](https://toolswithoutai.com/developer-tools/security-headers-generator): Emit CSP, COOP, COEP, Referrer-Policy, HSTS, and X-Content-Type-Options snippets from checkboxes.
- [SHA-1 Hash Generator](https://toolswithoutai.com/developer-tools/sha1-hash-generator): Generate SHA-1 hashes of text or files in your browser. Your data never leaves your device. Free and private.
- [SHA-224 Hash Generator](https://toolswithoutai.com/developer-tools/sha-224-hash-generator): Generate SHA-224 hashes for text or files. 100% browser-based, no upload, free.
- [SHA-3 Hash Generator – All Variants](https://toolswithoutai.com/developer-tools/sha3-hash-generator): Generate SHA-3-224, SHA-3-256, SHA-3-384 or SHA-3-512 hashes. Client-side only, no upload.
- [SHA-384 Hash Generator](https://toolswithoutai.com/developer-tools/sha384-hash-generator): Generate a SHA-384 hash of text or a file in your browser. Data never leaves your device. Free, private, no upload.
- [SHA-512 Hash Generator](https://toolswithoutai.com/developer-tools/sha512-hash-generator): Generate SHA-512 hashes in your browser. Your data never leaves your device. Free and private.
- [SHA256 checksum](https://toolswithoutai.com/developer-tools/sha256-checksum): Calculate SHA-256 checksums of files or text with Web Crypto in your browser. No file uploading.
- [SQL formatter](https://toolswithoutai.com/developer-tools/sql-formatter): Format SQL in your browser with tokenized parsing. Queries are not sent to a server.
- [SRI hash generator](https://toolswithoutai.com/developer-tools/sri-hash-generator): Generate Subresource Integrity hashes from pasted source or a local file using SHA-256, SHA-384, or SHA-512 in the browser.
- [SVG optimizer](https://toolswithoutai.com/developer-tools/svg-optimizer): Paste SVG. Strip comments, editor junk, and extra whitespace. Download a smaller SVG.
- [SVG viewBox cropper](https://toolswithoutai.com/developer-tools/svg-viewbox-optimizer): Parse viewBox and width/height. Suggest a tighter viewBox from numeric path bounds when possible.
- [Time Zone Converter](https://toolswithoutai.com/developer-tools/time-zone-converter): Convert times across time zones instantly. See multiple cities at once. Private, free.
- [Timer & Countdown Tool](https://toolswithoutai.com/developer-tools/timer-countdown): Simple countdown timer or stopwatch. Custom times, browser notifications. Private, no account.
- [Timezone meeting overlap](https://toolswithoutai.com/developer-tools/timezone-meeting-overlap): Pick time zones and working hours. See overlapping UTC windows. No calendar sync.
- [Todo List – Private & Local](https://toolswithoutai.com/developer-tools/todo-list): Create and manage tasks that stay only in your browser. No account, no cloud sync required.
- [TOTP generator](https://toolswithoutai.com/developer-tools/totp-generator): Generate RFC 6238 TOTP codes from a Base32 secret. Clock is your device. Nothing is synced.
- [Unit Converter](https://toolswithoutai.com/developer-tools/unit-converter): Convert between metric and imperial units instantly. Private, accurate, free.
- [Unix timestamp converter](https://toolswithoutai.com/developer-tools/unix-timestamp-converter): Unix epoch to human date in either direction. Instant, in-page.
- [URL Encoder Decoder](https://toolswithoutai.com/developer-tools/url-encoder-decoder): Encode or decode URL strings and query parameters in your browser. Your data never leaves your device. Free and private.
- [URL Parser](https://toolswithoutai.com/developer-tools/url-parser): Parse a full URL into protocol, host, path, query and hash in your browser. Your data never leaves your device. Free and private.
- [User agent parser](https://toolswithoutai.com/developer-tools/user-agent-parser): Parse a user-agent string in your browser — yours or a pasted one. No fingerprinting service is called.
- [UUID generator](https://toolswithoutai.com/developer-tools/uuid-generator): Generate version 4 UUIDs with browser cryptographic randomness. Generation is local.
- [VAPID key pair generator](https://toolswithoutai.com/developer-tools/vapid-key-generator): Generate an ECDSA P-256 VAPID public/private key pair with Web Crypto. Keys stay in this tab.
- [WCAG 2.2 checklist](https://toolswithoutai.com/developer-tools/wcag-22-checklist): Tick WCAG 2.2 AA criteria. Download a markdown report. State stays in this tab.
- [WebRTC IP leak test](https://toolswithoutai.com/developer-tools/webrtc-leak-test): Create a local RTCPeerConnection and list ICE candidate IPs. No STUN server you do not choose. Nothing is posted.

## Text tools

- [Case converter](https://toolswithoutai.com/text-tools/case-converter): Convert text to upper, lower, title, sentence, camel, snake, or kebab case in your browser.
- [Character Counter](https://toolswithoutai.com/text-tools/character-counter): Count characters with and without spaces instantly in your browser. Your text never leaves your device. Free, private, no upload.
- [Find and Replace](https://toolswithoutai.com/text-tools/find-and-replace): Find and replace text in your browser. Your draft never leaves your device. Free, private, no upload.
- [HTML Entity Decoder](https://toolswithoutai.com/text-tools/html-entity-decoder): Decode HTML entities back to characters in your browser. Your text never leaves your device. Free and private.
- [HTML entity encoder](https://toolswithoutai.com/text-tools/html-entity-encoder): Encode or decode HTML entities in your browser. Text never leaves this page.
- [Markdown to HTML](https://toolswithoutai.com/text-tools/markdown-to-html): Convert Markdown to HTML with a live preview in your browser. Text is not sent to a server.
- [Remove Duplicate Lines](https://toolswithoutai.com/text-tools/remove-duplicate-lines): Remove duplicate lines from any text in your browser. Your text never leaves your device. Free and private.
- [Remove Line Breaks](https://toolswithoutai.com/text-tools/remove-line-breaks): Join lines by removing newline characters in your browser. Your text never leaves your device. Free and private.
- [Slug to Text](https://toolswithoutai.com/text-tools/slug-to-text): Convert a URL slug back into human-readable text in your browser. Your data never leaves your device. Free and private.
- [Sort Lines](https://toolswithoutai.com/text-tools/sort-lines): Alphabetically sort lines of text in your browser. Your text never leaves your device. Free and private.
- [SRT time shifter](https://toolswithoutai.com/text-tools/subtitle-time-shifter): Shift SRT and VTT subtitles forward or backward locally. 100% private, no-upload processing with zero server latency.
- [Text diff checker](https://toolswithoutai.com/text-tools/text-diff): Compare two text blocks side by side. Insertions and deletions are highlighted locally.
- [Text to Slug](https://toolswithoutai.com/text-tools/text-to-slug): Convert any string into a URL-friendly slug in your browser. Your text never leaves your device. Free and private.
- [Text to TXT](https://toolswithoutai.com/text-tools/text-to-txt): Type or paste text and download a .txt file locally. 100% private, no-upload processing with zero server latency.
- [Typing Speed Test – Words Per Minute](https://toolswithoutai.com/text-tools/typing-test): Measure your typing speed (WPM) and accuracy in 15–60 seconds. Free, no signup, private.
- [Word Counter](https://toolswithoutai.com/text-tools/word-counter): Count words, characters, sentences and paragraphs instantly in your browser. Your text never leaves your device. Free, private, no upload.

## Color tools

- [Color blindness simulator](https://toolswithoutai.com/color-tools/color-blindness-simulator): Drop an image and simulate protanopia, deuteranopia, tritanopia, and achromatopsia on a canvas.
- [Color contrast matrix](https://toolswithoutai.com/color-tools/color-contrast-matrix): Paste a list of hex colors. See WCAG 2.1 contrast ratios for every pair. Local math.
- [Color Converter](https://toolswithoutai.com/color-tools/color-converter): Convert between HEX, RGB, HSL and CMYK in your browser. Your data never leaves your device. Free and private.
- [Color Name Finder](https://toolswithoutai.com/color-tools/color-name-finder): Find the closest CSS color name for any HEX or RGB value in your browser. Your data never leaves your device. Free and private.
- [Contrast Checker](https://toolswithoutai.com/color-tools/color-contrast-checker): Check WCAG color contrast ratio between foreground and background in your browser. Your data never leaves your device. Free and private.
- [OKLCH gradient builder](https://toolswithoutai.com/color-tools/oklch-gradient-builder): Build a CSS gradient in OKLCH for more even lightness. Copy linear-gradient(in oklch, …).
- [Palette Generator](https://toolswithoutai.com/color-tools/color-palette-generator): Generate complementary, analogous or triadic color palettes from one color in your browser. Your data never leaves your device. Free and private.

## Markdown tools

- [Markdown Lorem Ipsum – Generate Placeholder Markdown Privately](https://toolswithoutai.com/markdown-tools/markdown-lorem-ipsum): Generate realistic Markdown placeholder content with headings, lists, code, and more. 100% client-side, no upload, free. Perfect for docs & mockups.
- [Markdown Table Creator – Build Tables Privately in Your Browser](https://toolswithoutai.com/markdown-tools/markdown-table-creator): Create Markdown tables instantly with a visual editor. Paste data, set alignment, copy GFM syntax. 100% browser-based, zero uploads, no AI.
- [Markdown Table Maker – Private Visual Table Builder](https://toolswithoutai.com/markdown-tools/markdown-table-maker): Build Markdown tables visually in your browser. Add rows, set alignment, paste from Excel. No upload, no account, no AI. Instant GFM output.
- [Markdown to rich text](https://toolswithoutai.com/markdown-tools/markdown-to-rich-text): Copy Markdown as formatted rich text locally. 100% private, no-upload conversion with zero server latency.
- [Table Markdown Generator – From Data to Clean Markdown](https://toolswithoutai.com/markdown-tools/table-markdown-generator): Paste CSV, Excel data, or build visually — get perfect Markdown tables instantly. 100% client-side, no upload, free forever.

## SEO tools

- [Breadcrumb schema auditor](https://toolswithoutai.com/seo/breadcrumb-schema-auditor): Paste BreadcrumbList JSON-LD. Check position order, missing item URLs, and name gaps.
- [Heading hierarchy visualizer](https://toolswithoutai.com/seo/heading-hierarchy): Paste HTML and see the h1–h6 outline, skipped levels, and multiple h1s. Parsed with DOMParser.
- [JSON-LD entity builder](https://toolswithoutai.com/seo/json-ld-builder): Fill WebApplication, FAQ, and HowTo fields. Download JSON-LD. Built in this tab.
- [JSON-LD schema validator](https://toolswithoutai.com/seo/json-ld-schema-validator): Paste JSON-LD. Check @context, @type, and common required properties for WebApplication, FAQPage, HowTo, and Article.
- [llms.txt generator](https://toolswithoutai.com/seo/llms-txt-generator): Turn a title, summary, and link list into an llms.txt markdown file. Download in the browser.
- [Meta robots conflict checker](https://toolswithoutai.com/seo/meta-robots-checker): Compare robots meta, X-Robots-Tag, and robots.txt snippets for noindex/nofollow conflicts. Local only.
- [Resource hints generator](https://toolswithoutai.com/seo/resource-hints-generator): Build preconnect, dns-prefetch, preload, and prefetch link tags from origins and URLs. Copy HTML.
- [robots.txt parser and tester](https://toolswithoutai.com/seo/robots-txt-parser): Parse robots.txt locally against RFC 9309. Group user-agents, flag syntax issues, and test a URL. Nothing is fetched or uploaded.
- [SERP snippet previewer](https://toolswithoutai.com/seo/serp-snippet-preview): Preview title and description pixel width the way desktop SERPs truncate. Runs locally.
- [Social meta validator](https://toolswithoutai.com/seo/social-meta-validator): Extract Open Graph and Twitter tags from pasted HTML and flag missing title, description, or image.
- [XML Sitemap Generator – Changefreq, Priority & Lastmod](https://toolswithoutai.com/seo/sitemap-generator): Build a valid sitemap.xml with changefreq, priority, and lastmod. Paste URLs, set values, download. 100% client-side, no upload.
- [XML sitemap validator](https://toolswithoutai.com/seo/xml-sitemap-validator): Paste sitemap.xml and validate urlset structure, loc URLs, and 50,000 URL / 50 MB guidance. Parsed in the browser.

## Encoding tools

- [ASCII to Binary Converter – Private Text-to-Binary Tool](https://toolswithoutai.com/encoding/ascii-to-binary): Convert ASCII text to 8-bit binary instantly in your browser. No upload, no account, no AI. Clean spaced or compact output.
- [Binary to ASCII Converter – Private Binary Decoder](https://toolswithoutai.com/encoding/binary-to-ascii): Decode 8-bit binary code into readable ASCII text. 100% client-side, no upload, free. Handles spaced or continuous binary.

## Audio tools

- [Binaural beats generator](https://toolswithoutai.com/audio/binaural-beats-generator): Mix ambient noise and binaural focus tones locally. 100% private, no-upload audio with zero server latency.
- [Frequency Generator – Private Online Tone & Hz Music Generator](https://toolswithoutai.com/audio/frequency-generator): Free Hz music generator and online tone generator. Play any frequency from 20 Hz to 20 kHz — sine, square, triangle, sawtooth. 440 Hz, 432 Hz, 1 kHz test tones. 100% client-side.

## Generator tools

- [Lorem Ipsum Generator – Exact Size Control](https://toolswithoutai.com/generators/lorem-ipsum): Generate Lorem Ipsum to exact character, word, or paragraph count. 100% client-side, no upload, free. Perfect for meta tags & UI mockups.