Free Online Security Tools
Generate hashes, encrypt data, decode JWTs, check passwords, and build security headers. No signup required. 100% free and secure.
All Security Tools You Need
Comprehensive suite of security and cryptography utilities for hashing, encryption, key generation, and more.
Hash Generator
Generate MD5, SHA hashes from text.
HMAC Generator
Generate HMAC signatures.
UUID Generator
Generate UUID v4 identifiers.
JWT Decoder
Decode and inspect JWT tokens.
Base64 Tool
Encode and decode Base64 strings.
AES Encrypt
Encrypt/decrypt with AES-GCM.
RSA Key Gen
Generate RSA key pairs.
Password Checker
Check password strength and entropy.
Checksum Verifier
Verify file checksums (SHA-256).
Random Bytes
Generate cryptographic random bytes
CSP Header
Build Content Security Policy headers
CORS Header
Generate CORS HTTP headers
SSL Cert Decoder
Decode SSL/TLS certificates
Bcrypt Hash
Generate bcrypt password hashes
Why Choose Our Security Tools?
Lightning Fast
Instant cryptographic operations. All processing happens in your browser.
100% Secure
No data stored or transmitted. Complete privacy guaranteed.
Works Everywhere
No installation needed. Works on desktop, tablet, or mobile.
Developer Friendly
Hashing, encryption, JWT decoding, key generation, and security header tools.
Perfect for Every Use Case
Security Auditing
- Check password strength and entropy
- Verify file checksums for integrity
- Decode and inspect JWT tokens
- Decode SSL certificates for analysis
Development
- Generate cryptographic hashes (MD5, SHA)
- Encrypt/decrypt data with AES-GCM
- Generate UUID v4 identifiers
- Encode/decode Base64 strings
DevOps
- Build Content Security Policy headers
- Generate CORS configuration headers
- Generate RSA key pairs for SSH/TLS
- Create bcrypt password hashes