JSON Formatter
Format, validate and minify JSON. Errors show the exact line and column.
Open JSON FormatterDeveloper Tools
Small, fast utilities for developers: format JSON, encode Base64 and URLs, generate UUIDs, convert Unix time, test regex and build CSS gradients.
Base64 Encode and Decode
Encode text or files to Base64 and decode Base64 back, with full UTF-8 support.
Open Base64 Encode and DecodeURL Encode and Decode
Percent-encode text for URLs and decode encoded URLs back to readable text.
Open URL Encode and DecodeUUID Generator
Generate random UUID v4 (GUID) values, one or a thousand at a time.
Open UUID GeneratorEpoch Converter
Convert Unix timestamps to dates and dates to Unix time, in seconds or milliseconds.
Open Epoch ConverterRegex Tester
Test JavaScript regular expressions live, with highlighted matches and capture groups.
Open Regex TesterCSS Gradient Generator
Build linear and radial CSS gradients visually and copy the CSS.
Open CSS Gradient Generator