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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.

50
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
SQL
SQL Formatter
Format & beautify queries
🌈
CSS Gradient
Visual gradient builder

Browse by Category

b64
Encoding & Conversion
Base64, URL encoding, hex conversion, image encoding, JSON to CSV, YAML to JSON, byte conversion and number base tools.
11 tools
Base64YAML→JSONBytesPX→REM+7
{ }
Generation & Formatting
JSON/SQL/XML formatting, UUID, QR, CSS gradients & box shadows, WCAG contrast, color palettes, meta tags and more.
15 tools
SQLXMLGradientShadowWCAG+10
#
Security & Hashing
JWT decoding and generation, MD5/SHA hash generation, file checksums, and token inspection tools.
3 tools
JWT DecoderJWT GeneratorHash Generator
.*
Code & Text Tools
Regex testing, text comparison, markdown editing, case conversion, string escaping, and regex explanation.
9 tools
RegexDiffMarkdownCaseChar CountAI Tokens+3
JS
Optimization & DevOps
HTML/CSS/JS minification, cron parsing, chmod, HTTP request builder, git commands reference.
8 tools
HTML MinifyCSS MinifyJS MinifyCronChmodcURL GenGit
IP
Network & Time
IP lookup, subnet calculator, DNS lookup (DoH), timestamp converter, relative time calculator.
4 tools
IP LookupDNSTimestamp DiffRelative Time

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