Free Privacy &
Developer Tools.
Many free tools for privacy, anonymity, and development. 100% client-side where possible — nothing leaves your browser.
🔒 Security & Identity
Stay anonymous and protect yourself online — no registration required.
Disposable Email
Instant, secure temp email addresses. Receive real emails anonymously — no sign-up, no tracking, auto-delete after 1 hour.
Password Generator
Generate strong, secure, and memorable passwords with custom rules — length, symbols, numbers, and easy-to-remember mode.
Identity Generator
Generate a complete fictional identity — name, address, phone number, DOB, and username for 8 countries.
Data Breach Checker
Securely verify if your email, passwords, or data have been exposed in known database leaks across the dark web.
Secure Notes
Create encrypted passwords, secrets, or messages that automatically self-destruct from the server the instant they are read.
Test Card Generator
Generate Luhn-valid test credit card numbers for Visa, Mastercard, Amex, Discover, JCB, and Diner's Club.
🔑 Encoding & Cryptography
Format, encode, decode, and hash digital signatures directly in your browser.
Base64 Encoder
Encode and decode Base64 text, files, and images instantly in your browser. Supports URL-safe mode and Data URL output.
Hash Generator
Generate cryptographic hashes instantly. Sub-millisecond computation for MD5, SHA-1, SHA-256, and SHA-512 hashes.
JWT Decoder
Decode JSON Web Tokens (JWT) safely in-browser. Inspect header algorithms and payload claims instantly without network requests.
URL Encoder / Decoder
Encode or decode URL-safe strings safely. Essential utility for building query parameters and parsing strict URLs.
QR Code Generator
Generate QR codes for URLs, text, email, phone, SMS, and Wi-Fi. Custom colors, size, and error correction.
🛠️ Developer Tools & Formatters
Powerful utilities for formatting code, diff checking, and validating regex.
JSON Formatter
Format, prettify, or minify JSON data. Validates syntax strictly and pinpoints trailing commas or JSON syntax errors.
Diff Checker
Compare two text blocks instantly. Highlights insertions and deletions using a lightning-fast LCS string diffing engine.
UUID Generator
Generate UUIDs in every version: v1 (time-based), v4 (random), v7 (time-ordered), v5 (name hash), NIL, and GUIDs.
Regex Tester
Test Regular Expressions smoothly. Write query patterns with active string highlighters and group capture breakdown.
Color Converter
Translate colors between HEX, RGB, and HSL values. Real-time swatch previews and automated harmony palette generation.
🌍 Network & Time Utilities
DNS query checkers, time converters, and network mapping.
Epoch Converter
Convert UNIX timestamps into human-readable ISO and GMT formats. Bi-directional datetime to UNIX timestamp rendering.
IP Address Lookup
Instantly find your public IP address, ISP, ASN, exact location, and timezone. Completely free, no-log IP checker.
Email Domain Checker
Instantly verify if any domain is configured to receive emails. Query live DNS MX records securely from your browser.