Secure your data with our handcrafted, client-side encryption and security tools — all tested for performance, privacy, and reliability.
Decode Base64-encoded strings back to their original binary or text format. Perfect for email attachments, embedded assets, and API responses.
Convert binary or text data into safe ASCII strings using Base64 encoding for secure transmission over text-based protocols.
Generate and verify adaptive, salted password hashes using Bcrypt—ideal for secure user authentication systems.
Decode and validate Certificate Signing Requests (CSRs) to ensure accuracy before submitting to Certificate Authorities.
Generate secure CSRs with strong key pairs directly in your browser—no server-side processing.
Create cryptographically secure SHA256 hashes for data integrity, digital signatures, and more.
Generate stronger SHA512 hashes for high-security applications requiring maximum collision resistance.
Encrypt and decrypt messages using modern symmetric encryption algorithms directly in your browser.
Generate secure Code Verifiers and Code Challenges for OAuth 2.0 PKCE flows—essential for mobile and SPA security.
Validate your website’s SSL/TLS certificate, chain, and security configuration instantly.
Secure your Apache server with custom .htaccess rules for redirects, security headers, and access control.
Create secure password files for HTTP Basic Authentication with Bcrypt or SHA hashing.
Generate universally unique identifiers (UUID v1–v5) for databases, sessions, and distributed systems.
Apply or reverse the classic ROT13 letter substitution cipher—useful for obfuscation and puzzles.
Generate hashes using MD5, SHA1, SHA256, SHA512, and more—all in one tool.
Create strong, cryptographically secure passwords with customizable length and character sets.
All encryption and decoding happens in your browser—your data never leaves your device.
No logs, no tracking, no server storage. Your sensitive data stays private.
Get real-time output with intuitive interfaces optimized for developers and non-technical users alike.
Yes! All processing happens in your browser using JavaScript. No data is sent to our servers.
Absolutely. Our tools follow industry best practices and use battle-tested cryptographic libraries like Web Crypto API.
No. We do not collect, store, or transmit any input you provide. Everything is processed locally and discarded after use.
Explore our full suite of privacy-focused, client-side encryption and security tools—free to use, forever.
Browse All Tools