Runs in your browser
Formatting, conversion and generation tools process data locally wherever possible.
Developer tools
Useful tools for developers.
Fast, focused utilities for formatting, converting, generating and testing everyday development data. Most tools run entirely in your browser.
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Built around practical development workflows with the same simple approach across every utility.
12tools
Popular
Formatter
JSON Formatter
Format, validate and minify JSON instantly in your browser.
Popular
Formatter
SQL Formatter
Format common SQL statements with readable indentation and optional leading commas.
Popular
Security
JWT Decoder
Decode JWT headers and payloads locally without sending the token to a server.
Converter
Base64 Encoder / Decoder
Encode UTF-8 text to Base64 or decode Base64 back to readable text.
Generator
UUID Generator
Generate secure UUID v4 identifiers with browser cryptography.
Generator
Password Generator
Generate strong passwords locally with cryptographically secure randomness.
Developer
Regex Tester
Test JavaScript regular expressions, inspect matches and preview replacements.
Converter
Timestamp Converter
Convert Unix seconds, milliseconds, local dates, UTC and ISO 8601 values.
Converter
Color Converter
Convert HEX, RGB and HSL values with a live color preview and contrast ratios.
New
Popular
Converter
Image Compressor
Compress, resize and convert JPEG, PNG and WebP images locally with batch processing and target-size controls.
New
Popular
Generator
QR Code Generator
Create customizable QR codes for URLs, Wi-Fi, WhatsApp, contact cards and more with PNG and SVG export.
New
Developer
API Tester
Send browser-based HTTP requests and inspect response status, headers and body.
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Built for speed
No accounts or dashboards. Open a tool, finish the task and continue working.
Developer focused
Utilities designed around practical tasks that repeatedly appear during development.
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