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Developer tools that
actually work fast

Micro-tools for everyday dev tasks. Everything runs in your browser — nothing is sent to a server.

28
Tools live
$0
Forever free
0ms
Server calls

Popular Tools

{ }
JSON Formatter
Pretty print & validate
b64
Base64 Encoder
Encode & decode text
.*
Regex Tester
Test & debug patterns
jwt
JWT Decoder
Inspect tokens & claims
uid
UUID Generator
Generate v4 UUIDs
🔑
Password Generator
Secure random passwords
#
Hash Generator
MD5, SHA-256, SHA-512
🎨
Color Palette
Harmony & contrast checker

Browse by Category

b64
Encoding & Conversion
Base64, URL encoding, hex conversion, image encoding, JSON to CSV, and number base conversion tools.
8 tools
Base64URL EncodeHex→RGBJSON→CSV+4
{ }
Generation & Formatting
JSON formatting, UUID generation, QR codes, color palettes, slugs, lorem ipsum, and passwords.
7 tools
JSONUUIDQR CodePassword+3
#
Security & Hashing
JWT token decoding, MD5/SHA hash generation, file checksums, and token inspection tools.
2 tools
JWT DecoderHash Generator
.*
Code & Text Tools
Regex testing, text comparison, markdown editing, case conversion, string escaping, and regex explanation.
6 tools
RegexDiffMarkdownCase+2
JS
Optimization & DevOps
CSS and JavaScript minification, code beautification, and cron expression parsing.
3 tools
CSS MinifyJS MinifyCron
IP
Network & Time
IP address validation, subnet calculation, timestamp conversion, and time difference calculation.
2 tools
IP LookupTimestamp Diff

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