Runs in your browser
Developer
New
Cryptographic Hash & Checksum Generator (SHA-256, MD5, HMAC)
Compute SHA-256, SHA-512, SHA-384, SHA-1, MD5, and HMAC-SHA256 hashes instantly in your browser. Supports both text strings and direct file checksum verification.
SHA-256256 bits (Recommended)
SHA-512512 bits (Ultra Secure)
SHA-384384 bits
SHA-1160 bits (Legacy)
MD5128 bits (Checksum)
100% Client-Side Web Crypto Subtle Engine • Private keys and files stay in memory
Runs in your browser. No uploads.
How it works
- 1Feeds text or local binary buffers into the hardware-accelerated Web Crypto Subtle API.
- 2Computes bitwise message digests without sending data over network sockets.
- 3Formats results in uppercase or lowercase hexadecimal representations.
Questions
Yes. The browser Web Crypto API uses native OS cryptographic acceleration and processes multi-megabyte files in milliseconds.