File Hash & Checksum Calculator
Verify any file's integrity — MD5, SHA-1, SHA-256, SHA-512.
File Hash & Checksum Calculator computes MD5, SHA-1, SHA-256, and SHA-512 for any file or pasted text entirely inside your browser. Paste an expected hash next to any algorithm to instantly see a green match or red mismatch — perfect for verifying downloads, checking for file corruption, or confirming two files are byte-identical. Large files are processed asynchronously so the page never freezes.
- →Computes all four hash algorithms simultaneously, side by side
- →Drag & drop a file, or paste raw text — both are supported
- →Paste an expected hash to get an instant green match / red mismatch check
- →Uses native window.crypto.subtle for SHA algorithms, with an embedded vanilla-JS MD5 implementation
- →Async FileReader processing keeps the page responsive on larger files
- →Watermarked by Cikal Studio Labs · Works on any device, no install required
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