File Hash & Checksum Calculator

Calculate MD5, SHA-1 and SHA-256 checksums of files or text and verify downloads. Runs entirely in your browser.

Drop files to calculate checksums

Files are processed locally and never uploaded.

Hashes are calculated in your browser. Nothing is uploaded.

How it works

  1. 1

    Add your files

    Drag and drop files into the box or choose them from your device.

  2. 2

    Choose your settings

    Pick the output format and options, then click “Calculate”.

  3. 3

    Download

    Download your result instantly or share a temporary link.