
A fast, privacy-friendly collection of developer utilities. All tools run client-side for maximum speed and privacy.
Encode and decode Base64 strings and files with URL-safe options
Encode/decode URLs and parse them into components
Convert colors, check contrast, and generate palettes
Test regular expressions with flags and see live matches
Convert timestamps, work with timezones, and calculate differences
Format, minify, and validate JSON with syntax highlighting
Validate JSON data against JSON Schema specifications
Convert between Markdown and HTML with live preview
Convert text between camelCase, snake_case, kebab-case, and more
Generate UUIDs, ULIDs, nanoids, and other unique identifiers
Generate SHA-1/256/512, MD5 hashes for text and files
Decode JSON Web Tokens and view header, payload, and signature
Generate and decode QR codes with customizable options
Optimize SVG files with SVGO and see before/after comparison
Compare two texts and highlight differences side-by-side
Convert between JSON strings and formatted JSON objects
Compress and optimize images for web, email, or storage
We're working on adding more developer utilities including JSON formatters, hash generators, UUID generators, and much more.