Developer Tools That Actually Work

Fast, secure, AI-powered utilities for developers. Everything runs in your browser.

✓ No signup required ✓ 100% in-browser ✨ AI-powered
8 Tools
0 Data Stored
<8kb Per Page
100% In-Browser
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JSON Formatter
Format, validate, and minify JSON with AI explanations of your data structure.
Free AI
🔐
Base64 Encoder
Encode and decode Base64 strings or files. AI detection identifies decoded content.
Free AI
🎫
JWT Decoder
Decode JWT tokens and understand claims with AI-powered explanations.
Free AI
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Regex Generator
Generate regex from plain English using AI. Test patterns with live highlighting.
Free AI
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Cron Generator
Build cron expressions visually or generate them from natural language with AI.
Free AI
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SQL Formatter
Format SQL queries beautifully. Get AI-powered optimization suggestions.
Free AI
📝
Markdown Preview
Live markdown editor with instant preview. Export to HTML.
Free
🎨
Color Converter
Convert between HEX, RGB, HSL, and CMYK. Check accessibility contrast ratios.
Free
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Diff Checker
Compare files, identify differences, merge changes, and download results.
Free New