Developer Tools
Encoders, formatters, converters and generators for everyday dev work.
- Base64 EncodeTurn text into base64, in your browser.
- Base64 DecodeRead what a base64 string actually says.
- URL EncodeMake text safe to put in a URL.
- URL DecodeTurn %20 and friends back into readable text.
- HTML EncodeEscape text so a browser prints it instead of running it.
- HTML DecodeTurn & and ' back into real characters.
- JSON FormatterMake unreadable JSON readable, and find what broke it.
- JSON MinifierStrip every unnecessary byte out of JSON.
- JWT DecoderRead what is inside a token, without sending it anywhere.
- Unix Timestamp ConverterTurn an epoch number into a date, or a date into a number.
- Hash GeneratorMD5, SHA-1, SHA-256, SHA-384 and SHA-512 of any text.
- HEX to RGBConvert a hex colour to rgb, hsl and back.
- RGB to HEXConvert an rgb colour to hex, hsl and back.
- Convert JSON to TypeScriptTurn a sample response into interfaces.
- Convert JSON to GoTurn a sample response into Go structs.
- Convert JSON to JavaTurn a sample response into Java records.
- JavaScript MinifierMake a script as small as it goes.
- JavaScript BeautifierMake minified JavaScript readable again.
- CSS MinifierStrip a stylesheet down to the bytes that matter.
- CSS BeautifierMake a minified stylesheet readable again.
- HTML MinifierSqueeze a page down without changing how it renders.
- HTML BeautifierIndent a page so you can read its structure.
- SQL FormatterLay out a query so you can read the joins.
- Diff CheckerSee exactly what changed between two versions.
- Regex TesterSee what a pattern matches, and what it captures.
- QR Code GeneratorMake a QR code that keeps working.
- Barcode GeneratorMake a scannable barcode in any common format.