Developer Tools

Essential tools for developers. Format, encode, decode, generate, and test directly in your browser. No installation required.

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Encoding & Format 5

JSON Formatter
Format and validate JSON
Base64 Encoder
Encode/decode Base64
URL Encoder
Encode URLs
JWT Decoder
Decode JWT tokens
YAML to JSON
Convert YAML

Generators 5

Hash Generator
MD5, SHA1, SHA256
UUID Generator
Generate UUIDs
QR Code Generator
Create QR codes
Placeholder Images
Dev placeholder images
Meta Tag Generator
SEO meta tags

Text & Data 5

Text Diff
Compare two texts
Number to Words
Spell out numbers
Roman Numerals
Convert Roman numerals
SQL Formatter
Format SQL queries
Word Counter
Count words and chars
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