Privacy & Security Tools

Zero-upload, client-side cryptographic and privacy utilities. Encrypt text with AES-256, verify file checksums, test password entropy, audit IP leaks, and generate cryptographically secure random values.

Client-Side Security Utilities

Select a tool below to encrypt text, calculate file checksums, evaluate passwords, or audit connection privacy.

AES-256 Encryptor

Client-side AES-GCM 256-bit passphrase text encryption & decryption.

File Hash Checker

Calculate MD5, SHA-1, SHA-256, and SHA-512 checksums with streaming chunking.

Password Analyzer

Evaluate entropy bits, dictionary risks, and brute-force crack times.

IP & WebRTC Lookup

Inspect public IP address, ISP, location coordinates, and test WebRTC leaks.

AES-256 Text Encryptor & Decryptor

Encrypt sensitive text notes, passwords, and API keys using authenticated AES-GCM 256-bit cryptography with PBKDF2 key derivation.

Privacy & Security Tools

File Hash & Checksum Checker

Calculate and verify SHA-256, SHA-512, and SHA-1 checksums for any local file directly in your browser without uploading.

Privacy & Security Tools

Password Strength & Entropy Analyzer

Analyze password entropy bits, brute-force crack times, and pattern vulnerabilities in real-time with zero server transmission.

Privacy & Security Tools

IP Lookup & WebRTC Leak Auditor

Inspect your public IP address, ISP, location coordinates, and run automated WebRTC local IP leak tests directly in your browser.

Privacy & Security Tools

CSPRNG Secure Random Number Generator

Generate cryptographically secure random numbers, roll dice, flip coins, or pick random winners using hardware entropy.

Privacy & Security Tools

100% In-Browser Privacy & Client-Side Execution

Every utility in our privacy & security tools suite processes your documents and media files locally inside your browser memory. We never transmit your data across the internet or store files on remote servers.

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Frequently Asked Questions about Privacy & Security Tools

Clear answers regarding file formats, privacy, performance, and usage limits.

Are my passwords, files, or sensitive texts sent to any server?

No. Every calculation and cryptographic operation runs 100% client-side in your web browser using Web Crypto API (SubtleCrypto) and WebAssembly. Nothing is ever logged, transmitted, or stored on remote servers.

How secure is the AES-256 encryption tool?

The encryption tool uses authenticated AES-GCM with a 256-bit key derived via PBKDF2 with 100,000 iterations and a cryptographically random salt and initialization vector (IV). It meets industry and government standards for data-at-rest protection.

Can I hash large files (>1 GB) without freezing my browser?

Yes! The file hash checker streams file data in 2MB memory blocks using HTML5 FileReader chunking, allowing you to compute SHA-256 or MD5 checksums on multi-gigabyte ISOs or installers without exhausting system RAM.

What is a WebRTC leak test?

WebRTC is a browser technology for real-time video/audio calling that can sometimes reveal your true local or private IP address even when connected through a commercial VPN. Our IP lookup inspects WebRTC ICE candidates to verify your connection security.