Tool category
Developer Tools
Format JSON, test regex, encode data, compare text, generate hashes, and convert colours. Every tool in this category runs locally in your browser and avoids uploading your files or content.
Base64
PopularEncode or decode Base64 text (or binary files).
JSON Formatter
PopularFormat minified JSON with readable indentation and copy as minified.
JSON Validator
Validate JSON and see parse errors instantly.
JSON Diff
Compare two JSON documents with colour-coded line-by-line diff.
Regex Tester
Test regular expressions against sample text with real-time match highlighting.
URL Codec
Encode and decode URL components safely in the browser.
Hash Generator
PopularGenerate SHA-256, SHA-512, SHA-1, and MD5 hashes from text or files.
Color Converter
PopularConvert colours between HEX, RGB, and HSL formats with a live colour picker.
Timestamp
Convert Unix timestamps to human-readable dates and vice versa.