Free Online Security Tools
Free online security and cryptography tools. Generate hashes, passwords, JWT tokens, and encrypt files — all in-browser.
8 tools available
Generador MD5
Generar hash MD5 de texto o archivos
Generador de Hash SHA256
Generar hashes SHA256
Generador de Hash SHA512
Generar hashes SHA512
Decodificador JWT
Decodificar tokens JWT
Generador de Contraseñas
Generar contraseñas seguras
Generador JWT
Generar tokens JWT con HS256
Comparador de ENV
Compara, audita y fusiona archivos .env con detección de secretos
ZIP con contraseña
Comprime y cifra archivos localmente — sin subidas, sin servidor.
Related Use Cases
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About Free Online Security Tools
Free online security and cryptography tools. Generate hashes, passwords, JWT tokens, and encrypt files — all in-browser. All tools are 100% free, work entirely in your browser for maximum privacy, and require no installation or sign-up. Whether you're debugging, converting data formats, or generating code, our free online security tools help you work faster and smarter.
Why Choose Our Tools?
- Privacy-First: All processing happens in your browser — no data leaves your device.
- Instant Results: Client-side processing means zero server delays.
- No Sign-Up: Start using any tool immediately, no registration required.
- Multilingual: Available in 10 languages for developers worldwide.