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Developer

QR codes, JSON, Base64, hashing & more — 69 tools

Popular

JSON Formatter

Format, validate and beautify JSON

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Regex Tester

Test regular expressions with live highlighting

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JWT Decoder

Decode and inspect JWT tokens

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Encode / Decode

Hash, encode and decode

4 tools
Hash Generator
Base64 Encoder
JWT Decoder
String Encoder

Format

Format and beautify

13 tools
JSON Formatter
Color Picker
Markdown to HTML
Code Minifier
Code Beautifier
HTML to Markdown
JSON ↔ YAML
SQL Formatter
Color Converter
XML Formatter
CSV to JSON
TOML Editor
JSON to CSV

Generate

Create new content

20 tools
QR Code Generator
UUID Generator
Barcode Generator
URL ShortenerAPI
Cron Expression Builder
Slug Generator
CSS Gradient Generator
CSS Shadow Generator
CSS Loader Generator
CSS Border Radius Generator
CSS Animation Generator
CSS Glassmorphism Generator
CSS Neumorphism Generator
CSS Color Palette Generator
Code to Image
Font Creator
GitHub README Generator
Font Pairing
Type Scale Generator
.htaccess Generator

Test & Compare

Test, compare and convert

17 tools
Regex Tester
Diff Checker
Timestamp Converter
Percentage Calculator
BMI Calculator
Unit Converter
Date Calculator
JSON Schema Validator
API Tester
DNS Lookup
WHOIS Lookup
What Is My IPAPI
Regex Visualizer
Code Playground
Variable Font Tester
Mobile Viewport Tester
Webhook TesterAPI

Write

Notes and documents

1 tools
Markdown Editor