Every tool you need, in one place.
Fast, free online tools, all in one place. Convert images, video, audio and documents, look up WHOIS for any domain, and run dozens of developer utilities.
Featured
JSON Formatter & Validator Pretty-print, minify and validate JSON. Base64 Encode / Decode Encode text to Base64 and back. UUID Generator Generate random UUIDs (v4) in bulk. Color Converter Convert colors between HEX, RGB, HSL and OKLCH. QR Code Generator Create QR codes for text, URLs and Wi-Fi. JSON · YAML · CSV · TOML Converter Convert between JSON, YAML, CSV and TOML. Password Generator Generate strong, random passwords. WHOIS Lookup Look up domain ownership for any TLD. DNS Lookup Query A, AAAA, MX, TXT, NS and more. SSL Certificate Checker Inspect a site’s TLS certificate and expiry. Image Compressor Shrink JP, PNG and WebP file sizes. Image Resizer Resize images by pixels or percentage. Favicon Generator Create favicons and app icons from an image. Compress Video Shrink video file size in your browser. Merge PDF Combine multiple PDFs into one. Split PDF Extract pages or page ranges from a PDF.
Developer Tools
Formatters, encoders, generators and converters for everyday development.
JSON Formatter & Validator Pretty-print, minify and validate JSON. Base64 Encode / Decode Encode text to Base64 and back. URL Encode / Decode Percent-encode and decode URLs and components. Case Converter Convert text between camelCase, snake_case, kebab and more. UUID Generator Generate random UUIDs (v4) in bulk. Hash Generator SHA-1, SHA-256, SHA-384 and SHA-512 hashes. Unix Timestamp Converter Convert between Unix time and human dates. Color Converter Convert colors between HEX, RGB, HSL and OKLCH. Regex Tester Test regular expressions with live match highlighting. Text Diff Checker Compare two texts and highlight the differences. Markdown Preview Write Markdown and preview the rendered HTML. QR Code Generator Create QR codes for text, URLs and Wi-Fi. QR Code Reader Decode QR codes from an image. Code Formatter Beautify JSON, HTML, CSS, JS and more with Prettier. Cron Expression Parser Explain cron expressions and preview next runs. JSON · YAML · CSV · TOML Converter Convert between JSON, YAML, CSV and TOML. JWT Decoder Decode and inspect JSON Web Tokens. HMAC Generator Compute HMAC signatures with a secret key. Number Base Converter Convert numbers between binary, octal, decimal and hex. Slugify Turn any text into a clean URL slug. Lorem Ipsum Generator Generate placeholder text by words or paragraphs. Word & Character Counter Count words, characters, lines and reading time. .env ↔ JSON Converter Convert between .env files and JSON. Escape / Unescape Escape and unescape HTML, JSON and JS strings. Password Generator Generate strong, random passwords. ULID Generator Generate sortable, time-based ULIDs.
Network & Domain
WHOIS, DNS, IP and TLS lookups for any domain or host.
WHOIS Lookup Look up domain ownership for any TLD. DNS Lookup Query A, AAAA, MX, TXT, NS and more. What's My IP See your public IP address and user agent. IP Address Lookup Network, owner and registry data for any IP. SSL Certificate Checker Inspect a site’s TLS certificate and expiry. HTTP Header Checker Inspect the response headers of any URL. Reverse DNS Lookup Find the PTR hostname for an IP. Redirect Tracer Follow and visualize a URL’s redirect chain. Punycode / IDN Converter Convert between Unicode domains and Punycode.
Image Tools
Compress, resize, crop and inspect images — all in your browser.
Image Compressor Shrink JP, PNG and WebP file sizes. Image Resizer Resize images by pixels or percentage. Image Cropper Crop, rotate and flip images. SVG Optimizer Minify and clean up SVG files. Favicon Generator Create favicons and app icons from an image. EXIF Viewer Inspect photo metadata and GPS data. EXIF Remover Strip metadata from images for privacy. Color Palette Extractor Pull a color palette from an image. Image to Base64 Encode an image as a Base64 data URI.
Audio & Video
Trim, compress and process media locally with ffmpeg in the browser.
PDF & Documents
Merge, split, organize and watermark PDFs without uploading them.