# Quill Tools — Full Tool Index (for LLMs)

> Quill Tools (https://www.quill.tools) is a free suite of 138 browser-based utilities across 9 product lines. Every tool runs entirely client-side — no uploads, no account, no usage limits, no cost. Input never leaves the user's device, so the tools are safe for sensitive data and work offline once loaded. This file is a complete, plain-language index of every tool for accurate citation and retrieval.

Key facts:
- 100% free, no sign-up, no premium tier, no watermarks.
- All processing is local (browser Web APIs). Zero outbound requests carry user data.
- Every tool is embeddable via iframe at https://www.quill.tools/embed/{tool-slug}.

## Developer Tools (28) — https://www.quill.tools/developer-tools

- [JSON Formatter](https://www.quill.tools/tools/json-formatter): Format, beautify, and validate JSON data online for free. Instantly prettify minified JSON with syntax highlighting and error detection. No signup required.
- [Base64 Encoder / Decoder](https://www.quill.tools/tools/base64-encoder-decoder): Encode text and files to Base64 or decode Base64 strings online for free. Essential tool for APIs, data URIs, and embedded content. No signup required.
- [URL Encoder / Decoder](https://www.quill.tools/tools/url-encoder-decoder): Encode and decode URLs and query parameters online for free. Handle special characters, Unicode, and percent-encoding instantly. No signup required.
- [UUID Generator](https://www.quill.tools/tools/uuid-generator): Generate random UUID v4 identifiers online for free. Create single or bulk UUIDs for databases, APIs, and application development. No signup required.
- [JWT Decoder](https://www.quill.tools/tools/jwt-decoder): Decode and inspect JWT tokens online for free. View header, payload, and signature claims with expiration validation. No signup required.
- [Regex Tester](https://www.quill.tools/tools/regex-tester): Test and debug regular expressions online for free with real-time matching and group extraction. Supports JavaScript regex syntax. No signup required.
- [HTML Minifier](https://www.quill.tools/tools/html-minifier): Minify HTML code online for free. Remove whitespace, comments, and unnecessary attributes to reduce file size and improve page load speed. No signup required.
- [CSS Minifier](https://www.quill.tools/tools/css-minifier): Minify CSS stylesheets online for free. Remove whitespace, comments, and redundant rules to optimize your CSS for production. No signup required.
- [JavaScript Minifier](https://www.quill.tools/tools/javascript-minifier): Minify JavaScript code online for free. Remove whitespace, comments, and shorten variable names to optimize your scripts for production. No signup required.
- [JSON / CSV Converter](https://www.quill.tools/tools/json-csv-converter): Convert between JSON and CSV formats online for free. Custom delimiters, auto-detection, and nested objects. No signup required.
- [XML / JSON Converter](https://www.quill.tools/tools/xml-json-converter): Convert between XML and JSON formats online for free. Parse XML to JSON or generate XML from JSON data. No signup required.
- [YAML / JSON Converter](https://www.quill.tools/tools/yaml-json-converter): Convert between YAML and JSON formats online for free. Parse YAML configs to JSON or generate YAML from JSON. No signup required.
- [CSV Viewer](https://www.quill.tools/tools/csv-viewer): View, search, and analyze CSV files online for free. Get a sortable, filterable table with statistics. No signup required.
- [Base64 Image Encode / Decode](https://www.quill.tools/tools/base64-image-encoder-decoder): Encode images to Base64 or decode Base64 to images online for free. Generate data URIs for HTML and CSS. No signup required.
- [Text Diff Checker](https://www.quill.tools/tools/diff-checker): Compare two texts online for free with line-by-line diff highlighting. Spot added and removed lines instantly in your browser. No signup required.
- [Unix Timestamp Converter](https://www.quill.tools/tools/timestamp-converter): Convert Unix timestamps to human-readable dates and back online for free. Supports seconds and milliseconds, local time and UTC. No signup required.
- [Number Base Converter](https://www.quill.tools/tools/number-base-converter): Convert numbers between binary, octal, decimal, and hexadecimal online for free. Instant conversion across all bases at once. No signup required.
- [HTML Entity Encoder / Decoder](https://www.quill.tools/tools/html-entity-encoder): Encode and decode HTML entities online for free. Escape special characters for safe markup or unescape entities back to text. No signup required.
- [Code Beautifier](https://www.quill.tools/tools/code-beautifier): Beautify and format minified HTML, CSS, and JavaScript online for free. Configurable indentation and line wrapping, with automatic language detection. No uploads.
- [SQL Formatter](https://www.quill.tools/tools/sql-formatter): Format and beautify SQL queries online for free. Supports MySQL, PostgreSQL, SQL Server, Oracle, BigQuery, Snowflake and more. Runs in your browser — no uploads.
- [JSON to TypeScript](https://www.quill.tools/tools/json-to-types): Turn a JSON sample into TypeScript interfaces, Go structs or Python dataclasses. Detects optional fields across array items. Free, runs in your browser.
- [XML Formatter](https://www.quill.tools/tools/xml-formatter): Format or minify XML without losing comments, CDATA or attribute order. Only whitespace changes. Free, runs in your browser.
- [Cron Expression Generator](https://www.quill.tools/tools/cron-generator): Translate cron expressions into plain English and preview the next five run times. Presets for common schedules. Free, runs in your browser.
- [Markdown Editor](https://www.quill.tools/tools/markdown-editor): Write markdown with a live side-by-side preview. GitHub-flavoured, sanitised rendering, export as .md or standalone HTML. Free, no signup.
- [Markdown ↔ HTML Converter](https://www.quill.tools/tools/markdown-html): Convert HTML to Markdown or Markdown to HTML. ATX headings, fenced code blocks, sanitised output. Free, runs in your browser.
- [JSON Diff](https://www.quill.tools/tools/json-diff): Compare two JSON documents structurally, ignoring key order and formatting. Shows added, removed and changed values by path. Free, no signup.
- [.gitignore Generator](https://www.quill.tools/tools/gitignore-generator): Build a .gitignore from templates for languages, frameworks, editors and operating systems. Deduplicated automatically. Free, runs in your browser.
- [HEX to RGB Converter](https://www.quill.tools/tools/hex-to-rgb): Convert HEX to RGB, RGB to HEX, HSL, HSV, and CMYK instantly. Free online colour converter with alpha support, live preview, and WCAG contrast check. No signup.

## Text Tools (18) — https://www.quill.tools/text-tools

- [Word Counter](https://www.quill.tools/tools/word-counter): Free online word counter and word count checker. Count words, characters, sentences, and paragraphs in real time with reading-time estimates. No signup required.
- [Character Counter](https://www.quill.tools/tools/character-counter): Count characters with and without spaces online for free. Perfect for Twitter, meta descriptions, SMS, and character-limited content. No signup required.
- [Case Converter](https://www.quill.tools/tools/case-converter): Convert text between uppercase, lowercase, title case, sentence case, and more. Free online text case transformation tool. No signup required.
- [Duplicate Line Remover](https://www.quill.tools/tools/duplicate-line-remover): Remove duplicate lines from text online for free. Clean up lists, logs, and data files by eliminating repeated lines instantly. No signup required.
- [Text Sorter](https://www.quill.tools/tools/text-sorter): Sort lines of text alphabetically, numerically, or by length online for free. Organize lists, data, and content instantly. No signup required.
- [Slug Generator](https://www.quill.tools/tools/slug-generator): Generate clean, SEO-friendly URL slugs from any text online for free. Perfect for blog posts, product pages, and web content. No signup required.
- [Lorem Ipsum Generator](https://www.quill.tools/tools/lorem-ipsum-generator): Generate lorem ipsum placeholder text in paragraphs, sentences, or words. Free tool for designers, developers, and content creators. No signup required.
- [Grammar Checker](https://www.quill.tools/tools/grammar-checker): Check grammar, spelling, and punctuation online for free. Get instant AI-powered suggestions to improve your writing. No signup required.
- [Find & Replace](https://www.quill.tools/tools/find-and-replace): Find and replace text online for free with case-sensitivity and regex support. See live match counts as you type. No installs, no signup required.
- [Text Cleaner](https://www.quill.tools/tools/text-cleaner): Clean messy text online for free. Strip extra spaces, blank lines, line breaks, and invisible characters in one click. No installs, no signup required.
- [Fancy Text Generator](https://www.quill.tools/tools/fancy-text): Turn text into bold, italic, script, small caps and 12 more Unicode styles that paste anywhere. Free, instant, no signup.
- [Binary, Hex & Morse Converter](https://www.quill.tools/tools/binary-hex-morse): Convert text to binary, hexadecimal or Morse code and back. UTF-8 correct, so emoji and accents round-trip. Play Morse as audio. Free.
- [List Randomizer](https://www.quill.tools/tools/list-randomizer): Shuffle a list fairly, pick a random few, or split it into balanced groups. Uses Fisher-Yates with cryptographic randomness. Free, no signup.
- [Caesar Cipher & ROT13](https://www.quill.tools/tools/caesar-cipher): Encode and decode Caesar, ROT13 and Atbash ciphers, with a brute-force panel that ranks all 25 shifts by how English each result reads. Free.
- [Bionic Reading Converter](https://www.quill.tools/tools/bionic-reading): Convert text to bionic reading format, emphasising the start of each word. Adjustable emphasis, copy with formatting, export as HTML. Free.
- [Remove Line Breaks](https://www.quill.tools/tools/remove-line-breaks): Remove line breaks from text online for free. Join lines wrapped by a PDF while keeping paragraphs intact, rejoin hyphenated words, and strip blank lines. No signup.
- [Invisible Character Remover](https://www.quill.tools/tools/remove-invisible-characters): Detect and remove invisible Unicode characters from text — zero-width spaces, BOMs, non-breaking spaces, and bidirectional overrides. Free, private, runs in your browser.
- [Word Frequency Counter](https://www.quill.tools/tools/word-frequency-counter): Count word frequency online for free. Get a ranked table of your most-used words with an optional stop-word filter. No installs, no signup required.

## Security Tools (15) — https://www.quill.tools/security-tools

- [MD5 Hash Generator](https://www.quill.tools/tools/md5-hash-generator): Generate MD5 hash digests from text or files online for free. Useful for checksums, data integrity verification, and legacy systems. No signup required.
- [SHA-256 Hash Generator](https://www.quill.tools/tools/sha256-hash-generator): Generate SHA-256 cryptographic hashes from text or files online for free. Industry-standard hashing for security and data integrity. No signup required.
- [Password Generator](https://www.quill.tools/tools/password-generator): Generate strong, random passwords online for free. Customize length, character types, and security level for maximum protection. No signup required.
- [Password Strength Checker](https://www.quill.tools/tools/password-strength-checker): Check how strong your password is online for free. Get a detailed security score, estimated crack time, and improvement suggestions. No signup required.
- [AES Text Encryption](https://www.quill.tools/tools/aes-encrypt): Encrypt and decrypt text with AES-256-GCM and a passphrase. Runs entirely in your browser — neither the message nor the passphrase is ever transmitted.
- [bcrypt Generator & Verifier](https://www.quill.tools/tools/bcrypt-generator): Generate bcrypt password hashes with a configurable cost factor, or verify a password against an existing hash. Runs in your browser, nothing uploaded.
- [TOTP / 2FA Code Generator](https://www.quill.tools/tools/totp-generator): Generate time-based 2FA codes from a Base32 secret, with a live countdown and an otpauth:// URI for authenticator apps. Runs in your browser.
- [File Checksum Verifier](https://www.quill.tools/tools/checksum-verifier): Compute SHA-256, SHA-512, SHA-1 and CRC32 for any file and compare against an expected checksum. The file is hashed on your device, never uploaded.
- [RSA & EC Key Pair Generator](https://www.quill.tools/tools/keypair-generator): Generate RSA or elliptic curve key pairs in PEM and JWK format using the Web Crypto API. Keys are created in your browser and never transmitted.
- [JWT Generator & Signer](https://www.quill.tools/tools/jwt-signer): Create and sign JSON Web Tokens with HS256, HS384 or HS512, including expiry, issuer and audience claims. Signed in your browser, nothing uploaded.
- [SHA-1 & CRC32 Generator](https://www.quill.tools/tools/sha1-crc32): Generate SHA-1 and CRC32 checksums from text, in hex and decimal. For legacy verification only — both are unsuitable for security. Free, runs locally.
- [htpasswd Generator](https://www.quill.tools/tools/htpasswd-generator): Generate an Apache or Nginx .htpasswd file with bcrypt hashes for multiple users. Runs in your browser — passwords are never transmitted.
- [SHA-512 Hash Generator](https://www.quill.tools/tools/sha512-generator): Generate SHA-512 and SHA-384 hashes online for free using the Web Crypto API. Hash text instantly in your browser. No uploads, no signup required.
- [HMAC Generator](https://www.quill.tools/tools/hmac-generator): Generate HMAC-SHA256 and HMAC-SHA512 signatures from a secret key and message online for free. Runs via Web Crypto in your browser. No signup required.
- [Passphrase Generator](https://www.quill.tools/tools/passphrase-generator): Generate secure, memorable word-based passphrases online for free. Choose word count, separators, and numbers — XKCD style. No signup required.

## Image Tools (15) — https://www.quill.tools/image-tools

- [Image Compressor](https://www.quill.tools/tools/image-compressor): Compress images online for free with minimal quality loss. Reduce file sizes by up to 80% for faster websites and smaller uploads. No signup required.
- [Image Resizer](https://www.quill.tools/tools/image-resizer): Resize images to exact dimensions or by percentage online for free. Maintain aspect ratio and quality for any size requirement. No signup required.
- [Image Cropper](https://www.quill.tools/tools/image-cropper): Crop images online for free. Select any area, use preset aspect ratios, and download the cropped result instantly. No signup required.
- [PNG to JPG Converter](https://www.quill.tools/tools/png-to-jpg): Convert PNG to JPG online free. Adjust JPEG quality, set a background color for transparent areas, and shrink file size instantly. No signup required.
- [JPG to PNG Converter](https://www.quill.tools/tools/jpg-to-png): Convert JPG/JPEG images to PNG format online for free. Get lossless quality and transparency support for your images. No signup required.
- [Image to Base64](https://www.quill.tools/tools/image-to-base64): Convert images to Base64 encoded strings online for free. Generate data URIs for embedding images directly in HTML, CSS, and JavaScript. No signup required.
- [WEBP Converter](https://www.quill.tools/tools/webp-converter): Convert PNG, JPG, GIF, and BMP images to WebP format online for free. Reduce file sizes while maintaining quality. No signup required.
- [JPEG Converter](https://www.quill.tools/tools/jpeg-converter): Convert PNG, WebP, GIF, and BMP images to JPEG format online for free. Control quality and background color. No signup required.
- [Background Remover](https://www.quill.tools/tools/background-remover): Remove image backgrounds online for free using AI. Clean cutouts with transparent backgrounds via MediaPipe. No signup required.
- [SVG to PNG Converter](https://www.quill.tools/tools/svg-to-png): Convert SVG to PNG online for free. Rasterize SVG files or pasted markup at any scale, right in your browser. No uploads, no signup required.
- [Image Color Picker](https://www.quill.tools/tools/image-color-picker): Pick colors from any image online for free. Click a pixel to get HEX, RGB, and HSL values instantly in your browser. No uploads, no signup required.
- [EXIF Viewer & Remover](https://www.quill.tools/tools/exif-viewer): View and remove EXIF data from photos online free. See hidden GPS location, camera model, and timestamps, then strip them losslessly. Nothing is uploaded.
- [Favicon Generator](https://www.quill.tools/tools/favicon-generator): Turn any image into a complete favicon package: a real multi-size .ico, PNGs for every platform, a web manifest, and the HTML snippet. Free.
- [GIF Maker](https://www.quill.tools/tools/gif-maker): Build an animated GIF from images with adjustable frame delay, width, looping and ping-pong. Encoded in your browser — nothing uploaded.
- [HEIC to JPG Converter](https://www.quill.tools/tools/heic-to-jpg): Convert HEIC photos from your iPhone to JPG or PNG online for free. Batch conversion in your browser — no uploads, no watermarks, no signup required.

## Utility Tools (29) — https://www.quill.tools/utility-tools

- [Age Calculator](https://www.quill.tools/tools/age-calculator): Calculate exact age in years, months, and days from any date of birth. Free online age calculator with upcoming birthday countdown. No signup required.
- [Random Number Generator](https://www.quill.tools/tools/random-number-generator): Generate random numbers online for free. Set custom ranges, generate multiple numbers, and use for lotteries, games, and decisions. No signup required.
- [Unit Converter](https://www.quill.tools/tools/unit-converter): Convert between units of length, weight, temperature, volume, and more online for free. Instant, accurate unit conversion tool. No signup required.
- [Reading Time Calculator](https://www.quill.tools/tools/reading-time-calculator): Calculate how long it takes to read any text online for free. Estimate reading and speaking time based on word count and custom speeds. No signup required.
- [Color Palette Generator](https://www.quill.tools/tools/color-palette-generator): Free online color palette generator: build harmonious HSL color schemes, lock swatches you like, and export HEX or CSS variables. No signup required.
- [Gradient Generator](https://www.quill.tools/tools/gradient-generator): Create beautiful CSS gradients online for free. Design linear and radial gradients with a visual editor and copy the CSS code instantly. No signup required.
- [CSS Box Shadow Generator](https://www.quill.tools/tools/css-box-shadow-generator): Design CSS box shadows visually online for free. Adjust offset, blur, spread, and color to create the perfect shadow effect. No signup required.
- [QR Code Generator](https://www.quill.tools/tools/qr-code-generator): Generate QR codes from any text, URL, or data online for free. Customize colors, size, and error correction. No signup required.
- [QR Code Scanner](https://www.quill.tools/tools/qr-code-scanner): Scan and decode QR codes online free from an image or your camera. Reads URLs, WiFi, and contacts with clickable results. No app or signup needed.
- [Barcode Generator](https://www.quill.tools/tools/barcode-generator): Generate barcodes in CODE128, EAN-13, UPC, CODE39, and more formats online for free. Download as SVG or PNG. No signup required.
- [ATS CV Template Generator](https://www.quill.tools/tools/ats-cv-template-generator): Create professional, ATS-friendly CV/resumes online for free. Generate a clean PDF ready for job applications. No signup required.
- [Online Notepad](https://www.quill.tools/tools/online-notepad): A distraction-free notepad that autosaves in your browser. Multiple notes, word count, download as .txt. No account, nothing uploaded.
- [Random Picker Wheel](https://www.quill.tools/tools/spinner-wheel): Spin a wheel to pick a random name or option. Cryptographically fair, with optional winner removal for draws. Free, runs in your browser.
- [Invoice Generator](https://www.quill.tools/tools/invoice-generator): Create a professional PDF invoice with line items, tax and discount. Generated in your browser — client details and rates are never uploaded.
- [Colour Contrast Checker](https://www.quill.tools/tools/contrast-checker): Check colour contrast against WCAG 2.1 AA and AAA, with a live text preview and the closest passing colour when a pair fails. Free, no signup.
- [Pomodoro Timer](https://www.quill.tools/tools/pomodoro-timer): A Pomodoro timer with custom focus and break lengths, automatic phase switching and a chime. Accurate in background tabs. Free, runs in your browser.
- [Tip, Discount & Tax Calculator](https://www.quill.tools/tools/tip-discount-tax): Work out a tip and split the bill, calculate a discounted price, or add and remove sales tax. Three calculators in one. Free, no signup.
- [GPA Calculator](https://www.quill.tools/tools/gpa-calculator): Calculate term GPA on the 4.0 scale with credit weighting, plus cumulative GPA from your previous total. Weighted honours option. Free, no signup.
- [Dice Roller & Coin Flip](https://www.quill.tools/tools/dice-coin): Roll d4 to d100 with modifiers, or flip coins and track the tally. Cryptographically fair with rejection sampling. Free, runs in your browser.
- [Date Difference Calculator](https://www.quill.tools/tools/date-difference): Calculate the exact time between two dates in years, months and days, plus total days, weeks, hours and working days. Free, runs in your browser.
- [Time Zone Converter](https://www.quill.tools/tools/timezone-converter): Compare times across cities at a glance, with working-hours indicators for scheduling. Daylight saving handled automatically. Free, no signup.
- [Compound Interest Calculator](https://www.quill.tools/tools/compound-interest): Project savings growth with regular contributions, any compounding frequency, and a year-by-year breakdown. Free, runs in your browser.
- [Aspect Ratio Calculator](https://www.quill.tools/tools/aspect-ratio-calculator): Calculate aspect ratios and scale dimensions proportionally. Presets for 16:9, 9:16, 4:3, 1:1 and Open Graph. Free, runs in your browser.
- [Roman Numeral Converter](https://www.quill.tools/tools/roman-numeral-converter): Convert numbers to Roman numerals and back, with strict validation that rejects malformed numerals like IIII and IC. Free, runs in your browser.
- [Number to Words Converter](https://www.quill.tools/tools/number-to-words): Convert numbers to written English words, currency wording for cheques, and ordinals. Handles decimals, negatives and very large values. Free.
- [Percentage Calculator](https://www.quill.tools/tools/percentage-calculator): Calculate percentages online for free: X% of Y, percentage change, and what percent X is of Y. Instant answers in your browser. No signup required.
- [Loan EMI Calculator](https://www.quill.tools/tools/loan-emi-calculator): Calculate loan EMI online for free: monthly payment, total interest, and amortization summary for any loan amount, rate, and tenure. No signup required.
- [BMI Calculator](https://www.quill.tools/tools/bmi-calculator): Calculate your BMI online for free with metric or imperial units. Get your body mass index and weight category instantly. Private, no signup required.
- [Stopwatch & Timer](https://www.quill.tools/tools/stopwatch-timer): Free online stopwatch with lap times plus a countdown timer with sound alert. Accurate, full-screen friendly, and runs in your browser. No signup needed.

## Video Tools (5) — https://www.quill.tools/video-tools

- [Screen Recorder](https://www.quill.tools/tools/screen-recorder): Record your screen, browser tab, or window online for free with optional microphone audio. Download as WebM instantly. No install, no signup required.
- [Video Trimmer](https://www.quill.tools/tools/video-trimmer): Trim videos online for free by setting start and end points. Cut clips and re-encode to WebM entirely in your browser. No uploads, no signup required.
- [Video Compressor](https://www.quill.tools/tools/video-compressor): Compress videos online for free by scaling resolution and bitrate. Shrink file size right in your browser and export WebM. No uploads, no signup required.
- [Video Frame Grabber](https://www.quill.tools/tools/video-frame-grabber): Capture any frame from a video as a PNG online for free. Scrub to the exact moment and save a full-quality still in your browser. No signup required.
- [Video Audio Extractor](https://www.quill.tools/tools/video-audio-extractor): Extract the audio track from any video online for free. Convert video sound to an audio file entirely in your browser. No uploads, no signup required.

## Audio Tools (6) — https://www.quill.tools/audio-tools

- [Voice Recorder](https://www.quill.tools/tools/voice-recorder): Record audio from your microphone online for free. Preview the take and download it instantly — everything stays in your browser. No signup required.
- [Audio Trimmer](https://www.quill.tools/tools/audio-trimmer): Trim audio files online for free. Cut a section from any MP3, WAV, or OGG file and export as WAV — all in your browser. No uploads, no signup required.
- [Audio Converter](https://www.quill.tools/tools/audio-converter): Convert audio to MP3, WAV, OGG, or WebM online for free. Convert M4A, FLAC, OGG, and WebM files with adjustable MP3 bitrate. Runs in your browser — no uploads, no signup.
- [Text to Speech](https://www.quill.tools/tools/text-to-speech): Convert text to natural speech online for free. Choose from your system voices, adjust rate and pitch, and listen instantly. No signup required.
- [Tone Generator](https://www.quill.tools/tools/tone-generator): Generate sine, square, sawtooth, and triangle test tones at any frequency online for free. Test speakers and hearing in your browser. No signup required.
- [Audio Merger](https://www.quill.tools/tools/audio-merger): Join multiple audio files into one, with adjustable gaps or crossfades. Sample-exact, no re-compression. Runs in your browser — nothing uploaded.

## PDF Tools (12) — https://www.quill.tools/pdf-tools

- [PDF Merger](https://www.quill.tools/tools/pdf-merger): Merge multiple PDF files into one online for free. Reorder documents before combining — everything stays in your browser. No uploads, no signup required.
- [PDF Splitter](https://www.quill.tools/tools/pdf-splitter): Split PDFs online for free by extracting any page range into a new file. Processing happens entirely in your browser. No uploads, no signup required.
- [Images to PDF](https://www.quill.tools/tools/images-to-pdf): Convert JPG and PNG images into a single PDF online for free. Reorder pages and build the document in your browser. No uploads, no signup required.
- [PDF Rotator](https://www.quill.tools/tools/pdf-rotator): Rotate PDF pages by 90, 180, or 270 degrees online for free. Fix all pages or just selected ones in your browser. No uploads, no signup required.
- [Compress PDF](https://www.quill.tools/tools/pdf-compressor): Compress PDF files online for free. Lossless mode keeps text selectable; rasterise mode shrinks scans dramatically. Runs in your browser — nothing uploaded.
- [Extract Text from PDF](https://www.quill.tools/tools/pdf-extract-text): Extract text from a PDF online for free. Copy it, or download as .txt with page markers. Tells you honestly when a PDF is a scan with no text to extract.
- [Unlock PDF](https://www.quill.tools/tools/pdf-unlock): Remove a password from a PDF you can already open. AES decryption runs in your browser — the file and the password never leave your device. Free, no signup.
- [Protect PDF](https://www.quill.tools/tools/pdf-protect): Add a password to a PDF with AES-256 encryption, and control printing, editing and copying. Encryption runs in your browser — the file is never uploaded.
- [Delete & Reorder PDF Pages](https://www.quill.tools/tools/pdf-page-organizer): Delete, reorder, and rearrange PDF pages online for free. Drag-free move controls, page thumbnails, and reverse order. Runs in your browser — no uploads.
- [Add Page Numbers to PDF](https://www.quill.tools/tools/pdf-page-numbers): Add page numbers to a PDF online for free. Choose position, format like 'Page 1 of 12', starting number, size, and skip the cover page. Runs in your browser.
- [PDF Watermark](https://www.quill.tools/tools/pdf-watermark): Add a text watermark to a PDF online for free. Control opacity, angle, size, colour, position, and tiling. Nothing is uploaded — it runs in your browser.
- [PDF to JPG Converter](https://www.quill.tools/tools/pdf-to-jpg): Convert PDF pages to JPG, PNG, or WebP images online for free. Choose resolution up to 300 DPI, pick page ranges, download all as a ZIP. Runs in your browser — no uploads.

## SEO Tools (10) — https://www.quill.tools/seo-tools

- [Keyword Density Analyser](https://www.quill.tools/tools/keyword-density): Analyse keyword density with 1-, 2- and 3-word phrases, stop-word filtering, and over-use warnings. Free, runs in your browser, no signup.
- [XML Sitemap Generator](https://www.quill.tools/tools/sitemap-generator): Turn a list of URLs into a valid sitemap.xml with lastmod, changefreq and priority. Removes duplicates, validates URLs. Free, runs in your browser.
- [Hreflang Tag Generator](https://www.quill.tools/tools/hreflang-generator): Generate hreflang tags for multilingual sites as HTML, HTTP headers or XML sitemap entries. Validates codes and catches duplicates. Free, no signup.
- [Redirect Generator](https://www.quill.tools/tools/redirect-generator): Turn a list of old and new URLs into 301 redirects for Apache, Nginx, Netlify or Vercel. Detects redirect chains and loops. Free, runs in your browser.
- [Open Graph Preview & Debugger](https://www.quill.tools/tools/og-preview): Paste your meta tags and see exactly how the link will look on Facebook, LinkedIn and X — plus a check for the mistakes that break social cards. Free.
- [Schema Markup Generator](https://www.quill.tools/tools/schema-generator): Generate JSON-LD structured data for Article, FAQ, Product, LocalBusiness, Breadcrumb, HowTo and Organization. Free schema markup generator, no signup.
- [Robots.txt Generator & Tester](https://www.quill.tools/tools/robots-txt-generator): Generate a robots.txt file and test any URL against your rules. Shows exactly which rule wins, using Google's longest-match precedence. Free, no signup.
- [Readability Checker](https://www.quill.tools/tools/readability-checker): Check readability with Flesch Reading Ease, Flesch-Kincaid, Gunning Fog, SMOG, Coleman-Liau and ARI. Free readability scores in your browser, no signup.
- [UTM Campaign Builder](https://www.quill.tools/tools/utm-builder): Build tagged campaign URLs with utm_source, utm_medium and utm_campaign. Presets, lowercase normalisation, and validation. Free UTM builder, no signup.
- [Meta Tag Generator](https://www.quill.tools/tools/meta-tag-generator): Generate SEO meta tags, Open Graph, and Twitter Card markup with a live Google result preview. Pixel-accurate truncation warnings. Free, no signup.

## More
- Full index / search: https://www.quill.tools/
- Guides & tutorials: https://www.quill.tools/blog
- Format comparisons: https://www.quill.tools/compare
- Tool kits by workflow: https://www.quill.tools/use-cases
- Concise index: https://www.quill.tools/llms.txt