Free tools for
developers
14 tools. No login. No BS. Just fast, clean utilities that work.
CodeBench is a free, fast, and ad-free developer toolbox built for programmers, designers, and students. No sign-up required — just open a tool and get to work. From formatting JSON to generating secure passwords, CodeBench has everything you need in one place.
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JSON Formatter
Format, minify & validate JSON
b64
Base64 Encoder
Encode / decode Base64 strings
Aa
Word Counter
Words, characters & reading time
◉
Color Converter
HEX ↔ RGB ↔ HSL converter
.*
Regex Tester
Test regex with live highlights
#
Markdown Preview
Live Markdown to HTML renderer
**
Password Generator
Secure random password creator
###
Hash Generator
SHA-1, SHA-256, SHA-384, SHA-512
.{}
CSS Minifier
Remove whitespace from CSS
+-
Diff Checker
Compare two texts line by line
JWT
JWT Decoder
Decode & inspect JWT tokens
ts
Timestamp Converter
Unix timestamps ↔ dates
▓
Gradient Generator
Visual CSS gradient builder
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Lorem Ipsum
Placeholder text generator