Developer Tools That Respect Your Privacy
23 free tools — 18 run entirely in your browser, 5 use AI with instant data disposal. No tracking. No cookies. No accounts.
Formatters & Converters
Format, validate, and convert data between formats
JSON Formatter
NEWFormat, validate, and beautify JSON data instantly
Base64 Encoder/Decoder
NEWEncode and decode Base64 strings instantly
URL Encoder/Decoder
Encode and decode URLs and query parameters
HTML Entity Encoder
Encode and decode HTML entities and special characters
Developer Tools
Essential utilities for software development
Regex Tester
NEWTest and debug regular expressions with live matching
JWT Decoder
NEWDecode and inspect JSON Web Tokens instantly
Diff Checker
Compare two texts and see the differences highlighted
Cron Expression Builder
Build and decode cron expressions with a visual editor
Markdown Preview
Write Markdown and see a live rendered preview
Timestamp Converter
Convert between Unix timestamps and human-readable dates
Generators
Generate passwords, hashes, QR codes, and more
Password Generator
NEWGenerate strong, secure random passwords
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes
Lorem Ipsum Generator
Generate placeholder text for designs and layouts
Color Palette Generator
Generate beautiful color palettes for your projects
CSS Gradient Generator
Create beautiful CSS gradients with live preview
Resume & Portfolio Generator
NEWGenerate an ATS-friendly resume and portfolio from your career info
QR Code Generator
Generate QR codes for URLs, text, and more
AI-Powered Tools
Smart tools powered by artificial intelligence
Ship My Idea
NEWAIGet an AI-generated ship plan for your startup idea
Roast My App
NEWAIGet a brutally honest AI review of any Play Store app
README Generator
AIGenerate a professional GitHub README with AI
Meta Tag Generator
AIGenerate SEO meta tags with AI assistance
Code Explainer
AIPaste code and get a line-by-line AI explanation
Calculators
Calculate estimates and projections