Base64 Encoder
Convert text to Base64 format
The complete collection of 34 free cryptography tools for developers, security professionals, and enthusiasts. All processing happens securely in your browser.
Professional-grade cryptographic tools designed for security professionals, developers, and anyone who values data privacy
All cryptographic operations are performed locally in your browser. Your data never leaves your device, ensuring complete privacy and security.
Instant processing with no waiting times, upload delays, or server communication. Get results immediately for all your cryptographic needs.
Complete access to all 34 tools with no hidden costs, subscriptions, or limitations. Professional-grade tools available to everyone.
Built by developers for developers. Clean interface, reliable results, and tools designed for both beginners and security experts.
From modern AES encryption to classical ciphers, we have every tool you need for secure data handling
Convert text between different encoding formats safely and securely
Convert text to Base64 format
Decode Base64 to original format
Encode/decode Base58 format
Convert text to binary and back
Convert text to hex and back
Encode URLs safely
Decode URL-encoded text
Encode HTML entities
Encode/decode Unicode text
Generate cryptographic hashes and verify data integrity with industry-standard algorithms
Modern encryption algorithms and security tools for protecting sensitive data
Historical and educational ciphers for learning cryptography fundamentals
Essential generators and utilities for development and security operations
Join thousands of developers and security experts who trust CryptoToolkit
Everything you need to know about CryptoToolkit
Yes, absolutely. All cryptographic operations are performed entirely in your browser using JavaScript. Your data never leaves your device, is never uploaded to our servers, and is never stored anywhere. This ensures complete privacy and security.
No installation required. CryptoToolkit works entirely in your web browser. Simply visit our website and start using any of our 34 cryptography tools immediately. Compatible with all modern browsers.
CryptoToolkit is completely free with no hidden costs, subscriptions, or premium tiers. All 34 tools are available to everyone without any limitations. We believe in making cryptography tools accessible to all.
We support modern algorithms like AES, ChaCha20, and Blowfish, hash functions including SHA-256, SHA-512, MD5, and HMAC, plus classical ciphers like Caesar, Vigenère, and Playfair for educational purposes.