Security Tools

Protect your data with signing, verification, encryption and privacy utilities built to run locally in your browser for maximum security and data protection.

9 tools available

Blockchain Tools 1

BIP39 Mnemonic

Generate and validate BIP39 mnemonic seed phrases. Create secure 12-24 word recovery phrases for crypto wallets. Convert mnemonic to seed hex instantly.

Blockchain Tools

Developer Tools 5

Port Scanner

Free online port scanner tool for network security testing and diagnostics. Scan common ports, well-known ports, or custom port ranges. Check open, closed, and filtered ports for any host. Perfect for network administrators and security professionals.

Developer Tools › Utilities
.htaccess Generator

Free .htaccess generator tool. Create Apache .htaccess configuration file with security, URL rewriting, performance optimization, and custom redirects. Easy-to-use interface for webmasters.

Developer Tools › Generators
JavaScript Obfuscator

Free online JavaScript obfuscator tool. Protect your JavaScript code by obfuscating and encrypting it. Make your JS code unreadable while maintaining functionality.

Developer Tools › Utilities
Password Generator

Free online strong password generator. Create secure random passwords with customizable length, uppercase, lowercase, numbers, and symbols. Bulk generation and password strength meter. Perfect for creating secure passwords.

Developer Tools › Generators
Password Strength Tester

Test password strength with real-time analysis. Check security, entropy, crack time, and get recommendations. Generate cryptographically secure passwords instantly.

Developer Tools › Utilities

File Tools 2

File Hex Viewer

Preview the first bytes of any file in a clean hex dump. Inspect offsets, hex pairs, and ASCII columns to verify file contents securely in your browser.

File Tools
Hex File Compare

Compare two files in hexadecimal to spot mismatched bytes instantly. Upload locally, review offsets, ASCII columns, and confirm integrity securely inside your browser.

File Tools

PDF Tools 1

Password Protect PDF

Add password protection to PDF files online. Note: Full PDF encryption requires server-side processing. This tool provides information about PDF security.

PDF Tools