Browse fast, private security tools that run locally in your browser.
Calculate SHA-256, SHA-1, and SHA-512 cryptographic file checksums client-side for integrity verification.
Inspect binary file header magic bytes to verify true file formats (PNG, JPG, PDF, ZIP).
Inspect and grade HTTP security headers (HSTS, CSP, X-Frame-Options) for any website.
Generate cryptographically secure passwords, memorable passphrases, and 6-digit PIN codes for password managers.
Analyze password security score, entropy, character mix requirements, and strength rating client-side.
Convert fillable PDF form fields and interactive annotations into uneditable static vector graphics.
Lock down sensitive PDFs with military-grade AES-256 encryption. Add passwords and restrict printing securely without server uploads.
Generate cryptographically secure random alphanumeric tokens, API keys, and secret strings.
Permanently black out sensitive information
Check SSL certificate validity, issuer authority, expiration dates, and HTTPS encryption status.
Remove password protection from PDFs