# Toolo > Toolo is a platform of about 70 online utility tools. PDF, image, video, audio, text, calculators, converters, and developer utilities, all in one place. Toolo is operated by Singleton OÜ (Estonia). The site is published in 12 locales: en, es, ru, pt-BR, de, fr, ja, id, tr, it, pl, vi. URLs below point to the canonical English version. To read a tool page in another language, replace the locale segment in the path, for example https://toolo.io/es/qr-code-generator. ## Categories - [PDF tools](https://toolo.io/categories/pdf-tools): Merge, split, compress, sign, edit, and convert PDFs. - [Image tools](https://toolo.io/categories/image-tools): Compress, resize, crop, convert, upscale, and remove backgrounds. - [Video & audio tools](https://toolo.io/categories/video-audio): Trim, compress, convert, record, and transcribe video and audio. - [Converters](https://toolo.io/categories/converters): Convert between file formats, units, currencies, colors, and timezones. - [Calculators](https://toolo.io/categories/calculators): BMI, calories, age, pregnancy, tip, percentage, discount, and compound interest. - [Text tools](https://toolo.io/categories/text-tools): Compare, count, format, and transform text. - [Developer tools](https://toolo.io/categories/developer-tools): JSON, regex, JWT, hash, UUID, Base64, cron, and color utilities. - [Everyday tools](https://toolo.io/categories/everyday-tools): Stopwatch, timer, typing test, internet speed test, and IP lookup. ## Tools - [Age Calculator](https://toolo.io/age-calculator): Find your exact age down to the day, plus zodiac sign and birthday countdown. - [AI Image Expand](https://toolo.io/image-expand): Extend images beyond their borders with AI-generated content. - [AI Image Retouch](https://toolo.io/image-retouch): Enhance portraits automatically with AI-powered retouching. - [AI Image Upscaler](https://toolo.io/image-upscale): Enlarge images up to 4x without losing quality using AI. - [Audio Converter](https://toolo.io/audio-converter): Convert between MP3, WAV, FLAC, OGG, AAC, and M4A. - [Audio Trimmer](https://toolo.io/audio-trimmer): Cut any audio file to the exact length you need. - [Background Remover](https://toolo.io/background-remover): Remove backgrounds from images instantly with AI. - [Base64 Encoder & Decoder](https://toolo.io/base64-decode-encode): Encode text and files to Base64 or decode Base64 strings instantly. - [BMI Calculator](https://toolo.io/bmi-calculator): Check your Body Mass Index and see where you stand. - [Calorie calculator](https://toolo.io/calorie-calculator): Find out how many calories your body needs each day. - [Color Converter](https://toolo.io/color-converter): Convert colors between HEX, RGB, HSL with shades and accessibility check. - [Comma Separator](https://toolo.io/comma-separator): Convert columns to comma-separated lists and back. - [Compound interest calculator](https://toolo.io/compound-interest-calculator): See how your savings or investments grow year by year. - [Compress PDF](https://toolo.io/compress-pdf): Reduce PDF file size while maintaining quality for easy sharing. - [Cron Expression Generator](https://toolo.io/cron-builder): Build and decode cron schedules with human-readable translations and upcoming run previews. - [Currency Converter](https://toolo.io/currency-converter): Convert between 31 world currencies with live exchange rates. - [Discount Calculator](https://toolo.io/discount-calculator): Calculate sale prices, find original prices, or figure out the discount percentage. - [Excel Compare](https://toolo.io/excel-compare): Compare two Excel files and find every difference. - [Favicon Generator](https://toolo.io/favicon-generator): Create perfect favicons from images, emoji, text, or SVG. - [GIF maker](https://toolo.io/gif-maker): Make GIFs from video clips with full editor controls. - [Gradient generator](https://toolo.io/gradient-generator): Build CSS gradients and copy the code in one click. - [Hash Generator](https://toolo.io/hash-generator): Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text. - [Hush](https://toolo.io/hush): Share links, files, or passwords with a one-time code that expires after use. - [Image Compare](https://toolo.io/image-compare): Spot every difference between two images instantly. - [Image Compressor](https://toolo.io/image-compressor): Reduce JPEG, PNG, and WebP file sizes by up to 80% without visible quality loss, entirely in your browser. - [Image Converter](https://toolo.io/image-converter): Convert between JPG, PNG, WebP, HEIC, AVIF, and more, instantly, privately, in your browser. - [Image Cropper](https://toolo.io/image-cropper): Cut and resize images to any dimension or aspect ratio. - [Image resizer](https://toolo.io/image-resizer): Resize photos to exact dimensions or a set percentage. - [Image to text](https://toolo.io/image-to-text): Extract text from screenshots, scans, and photos. - [Internet speed test](https://toolo.io/internet-speed-test): Check your download speed, upload speed, and latency. - [JSON Formatter](https://toolo.io/json-formatter): Format, validate, and explore JSON in Tree, Table, and Raw views. - [JWT Decoder](https://toolo.io/jwt-decoder): Inspect JSON Web Tokens without sharing them with any server. - [Lorem Ipsum Generator](https://toolo.io/lorem-ipsum-generator): Generate placeholder text for designs. - [Markdown preview](https://toolo.io/markdown-preview): Write Markdown and see the formatted output side by side. - [Merge PDF](https://toolo.io/merge-pdf): Combine multiple PDF files into a single document. - [Meta Tag Preview](https://toolo.io/meta-tag-preview): See how your links look on Google, Facebook, Twitter, LinkedIn, WhatsApp, and Telegram before you share. - [Metadata viewer](https://toolo.io/metadata-viewer): Read EXIF data from photos: camera, GPS, date, and settings. - [Microphone Test](https://toolo.io/microphone-test): Test your microphone instantly in browser with real-time visualization, recording, and device diagnostics. - [Mock data generator](https://toolo.io/mocklab): Generate realistic test data for names, addresses, emails, and more. - [Password Generator](https://toolo.io/password-generator): Create strong, random passwords with customizable length and character options. - [PDF Compare](https://toolo.io/pdf-compare): Find every difference between two PDF documents instantly. - [PDF Converter](https://toolo.io/pdf-converter): Convert PDF to Word, Word to PDF, Excel to PDF, and PDF to Excel. Fast, accurate, no sign-up. - [PDF Editor](https://toolo.io/pdf-editor): Edit PDF text, add annotations, and modify documents directly in your browser. - [PDF Image Converter](https://toolo.io/pdf-image-converter): Convert between PDF and images directly in your browser. - [Percentage Calculator](https://toolo.io/percentage-calculator): Calculate percentages, changes, and increases instantly. - [Pregnancy Due Date Calculator](https://toolo.io/pregnancy-calculator): Calculate your due date, track weeks, and see pregnancy milestones. - [QR code generator](https://toolo.io/qr-code-generator): Create custom QR codes instantly for URLs, text, WiFi, vCards, and more. No sign-up required, unlimited downloads. - [Random Number Generator](https://toolo.io/random-number-generator): Generate random numbers, roll dice, flip coins, pick lottery numbers. - [Regex Tester](https://toolo.io/regex-tester): Test and debug regular expressions with real-time matching. - [Resume builder](https://toolo.io/resume-builder): Build a clean, professional resume and download it as a PDF. - [Screen recorder](https://toolo.io/screen-recorder): Record your screen from the browser, no install needed. - [Sign PDF](https://toolo.io/sign-pdf): Add your signature to any PDF document in seconds. - [Speech to text](https://toolo.io/speech-to-text): Speak into your microphone and get a text transcript. - [Split PDF](https://toolo.io/split-pdf): Extract pages or split PDFs by range. - [Stopwatch & Timer](https://toolo.io/stopwatch-timer): Stopwatch, countdown timer, Pomodoro, and multi-timer in one tool. - [Text Case Converter](https://toolo.io/text-case-converter): Transform text between 12 different case formats instantly. - [Text Compare](https://toolo.io/text-compare): Find differences between two texts instantly. - [Text to speech](https://toolo.io/text-to-speech): Paste text and hear it read aloud instantly. - [Timezone converter](https://toolo.io/timezone-converter): See what time it is in any city, compare multiple zones side by side. - [Tip Calculator](https://toolo.io/tip-calculator): Calculate tips and split bills instantly. - [Typing test](https://toolo.io/typing-test): Measure your typing speed and accuracy in under a minute. - [Unit Converter](https://toolo.io/unit-converter): Convert between units across 8 categories instantly. - [Unix Timestamp Converter](https://toolo.io/unix-timestamp-converter): Convert epoch time to readable dates and back. - [URL Encoder & Decoder](https://toolo.io/url-encoder-decoder): Encode and decode URLs instantly with real-time processing. - [UUID Generator](https://toolo.io/uuid-generator): Generate unique identifiers in any format you need. - [Video compressor](https://toolo.io/video-compressor): Shrink video files without losing quality. - [Video editor](https://toolo.io/video-editor): Trim clips, add captions, and export your video. - [Video to GIF](https://toolo.io/video-to-gif): Turn any video clip into a looping GIF. - [Video Trimmer](https://toolo.io/video-trimmer): Cut and trim videos in your browser. Files stay on your device, no uploads. - [Webcam & Microphone Test](https://toolo.io/webcam-test): Test your camera and microphone before video calls. - [What's my IP](https://toolo.io/what-is-my-ip): See your public IP address, location, and ISP instantly. - [Word and Character Counter](https://toolo.io/word-and-character-counter): Count characters, words, and lines with platform limits. ## Pages - [Homepage](https://toolo.io/): Full catalog and search. - [All tools](https://toolo.io/tools): Browse every tool in one list. - [Categories](https://toolo.io/categories): Browse by category. - [Privacy policy](https://toolo.io/privacy): How Toolo handles your data. - [Terms](https://toolo.io/terms): Terms of service.