Developer Tools
Format, validate and decode the everyday building blocks of software.
JSON Formatter
Beautify and indent JSON with adjustable spacing.
JSON Validator
Check if your JSON is valid and see exactly where it breaks.
Base64 Encode/Decode
Encode text to Base64 or decode Base64 back to text.
URL Encode/Decode
Percent-encode text for URLs, or decode encoded URLs back to text.
JWT Decoder
Decode a JSON Web Token's header and payload without verifying it.
UUID Generator
Generate random UUID v4 identifiers, one or in bulk.
HTML Formatter
Beautify and indent messy or minified HTML.
HTML Minifier
Remove unnecessary whitespace and comments from HTML.
CSS Formatter
Beautify and indent minified or messy CSS.
CSS Minifier
Compress CSS by removing whitespace and comments.
JavaScript Minifier
Compress JavaScript by removing comments and extra whitespace.
Markdown to HTML Converter
Convert Markdown text to HTML with a live preview.
CSV to JSON Converter
Convert CSV data to JSON, using the first row as headers.
JSON to CSV Converter
Convert a JSON array of objects to CSV.