Tools

Free Cybersecurity Tools

Client-side security utilities for developers and security professionals. No data leaves your browser — everything runs locally.

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text. Uses the Web Crypto API for browser-side computation.

Password Strength Analyzer

Analyze password strength with entropy calculation, crack time estimates, and improvement suggestions.

Base64 Encoder / Decoder

Encode and decode Base64 strings in real-time. Supports URL-safe encoding for web applications.

URL Encoder / Decoder

Encode and decode URLs and URL components. Supports both full URL and component-level encoding.

IP Address Lookup

Validate and analyze IPv4 addresses. Shows IP class, binary representation, private/public range, and network information.

HTML Entity Encoder

Encode and decode HTML entities. Supports named entities (&, <) and numeric entities (A).

100% Client-Side

All tools run entirely in your browser using the Web Crypto API and native browser capabilities. No data is sent to any server. Your inputs never leave your device.