Free Security Tools

Powerful cybersecurity tools that run entirely in your browser. No data is sent to any server—your information stays private.

Password Tools

Password Strength Checker

Check how strong your password is with detailed analysis and improvement tips.

Password Generator

Generate secure, random passwords with customizable options.

Password Leak Checker

Learn how password leak checking works (educational, offline demo).

Encoding Tools

Hash Generator

Generate MD5, SHA1, and SHA256 hashes from any text.

Base64 Encoder/Decoder

Encode or decode Base64 strings instantly.

URL Encoder/Decoder

Encode or decode URLs for safe transmission.

Network Tools

IP Lookup

Find your public IP address and basic device information.

Subnet Calculator

Calculate network addresses, broadcast, and IP ranges.

Developer Tools

JWT Decoder

Decode and inspect JSON Web Tokens (JWT) without validation.

User-Agent Parser

Parse and analyze browser user-agent strings.

Text Diff Checker

Compare two texts and highlight the differences.

Regex Tester

Test regular expressions with live matching and highlighting.

Generator Tools

Username Generator

Generate unique, creative usernames for your accounts.

Fake Data Generator

Generate random fake data for testing (names, emails, etc).

UUID Generator

Generate unique UUIDs (v4 and v1 style) instantly.

100% Client-Side

All our tools run entirely in your browser using JavaScript. Your passwords, text, and data never leave your device. We don't track, store, or transmit any information you enter.