Security tools
8 free security tools, all running in your browser.
API Key Generator
Generate random strings for application secrets or testing, with selectable formats, prefixes, and bulk export.
Bcrypt Format Demo
Inspect bcrypt-like string structure and demonstrate a non-interoperable password-hash format.
CRC32 Generator
Instantly generate CRC32, CRC32C, BZIP2, MPEG-2 and other checksums for text, files, hex or Base64 – 100% client-side.
File Hash Checker
Compute MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of files or text entirely in your browser with no upload.
HMAC Generator
Generate or verify HMAC values for local testing with SHA-1, SHA-256, SHA-384, or SHA-512.
Password Generator
Generate random passwords, word-list passphrases, and numeric PINs in your browser.
Password Strength Checker
Check a password for common patterns and view heuristic strength estimates.
TOTP Generator
Generate TOTP or HOTP codes in your browser from a shared secret or an otpauth:// URI.