Playground Overview
Hash & Cryptographic Tools
Essential cryptographic utilities for developers working with Bitcoin, APIs, and secure applications. Whether you're verifying file integrity, generating HMAC signatures, or validating Bitcoin addresses, this playground provides fast, client-side tools for cryptographic operations without any data ever leaving your browser.
Available Tools
Hash Generators
SHA-256 Generator - Bitcoin's primary hash function
SHA-1 Generator - Legacy hash function
MD5 Generator - Legacy hash function
HMAC Generator - Message authentication codes
File Tools
Hash File Checker - Generate hashes from uploaded files
Bitcoin Tools
Bitcoin Address Validator - Validate Bitcoin addresses
Key Generation
Bitcoin Address Generator - Generate unique identifiers
Random String Generator - Secure random strings
Private Key Generator - Educational key generation
Security Notice
⚠️ These tools are designed for development, testing, and educational purposes.
Never use browser-generated keys for real cryptocurrency storage
Always use hardware wallets or proper offline key generation for production use
Hash functions marked as "legacy" should not be used for security purposes
All tools run entirely in your browser - no data is sent to servers.