DEVELOPER TOOLKIT 001—015
Web dev utilities
that just work.
Format JSON, decode JWTs, encode text, generate hashes, and minify code. Free and fast.
The workspace
15 TOOLS01 / JSON
JSON formatter
Format JSON with readable indentation.
02 / JSON
JSON validator
Check that a JSON document is valid.
03 / JSON
JSON minifier
Remove unnecessary whitespace from JSON.
04 / Encoding
JWT decoder
Decode a token's header and payload.
05 / Encoding
Base64 encoder / decoder
Encode or decode UTF-8 text as Base64.
06 / Generators
UUID generator
Generate cryptographically secure UUID v4 values.
07 / Text
Regex tester
Test a regular expression and inspect matches.
08 / Converters
Timestamp converter
Convert Unix timestamps and readable dates.
09 / Encoding
URL encoder / decoder
Encode and decode URI text safely.
10 / Encoding
HTML encoder
Escape or decode HTML entities.
11 / Code
CSS minifier
Minify CSS with a standards-aware parser.
12 / Code
JS minifier
Minify JavaScript with syntax-aware compression.
13 / Generators
Password generator
Create strong random passwords.
14 / Security
Hash generator
Create SHA hashes from text using Web Crypto.
15 / Converters
Color converter
Convert between HEX, RGB, and HSL color values.