File Hash Calculator

Compute SHA-1, SHA-256, SHA-384 and SHA-512 of any file, locally.

Free · Runs in your browser · Last updated 2026-05-03

Pick a file

About this tool

Drag any file into your browser and compute its SHA-1, SHA-256, SHA-384 or SHA-512 hash using the Web Crypto API. The file never leaves your device.

Privacy

All processing for File Hash happens locally inside your browser using JavaScript. Your input is never uploaded to a server, logged, or shared with third parties.

Frequently asked questions

Is the File Hash free to use?

Yes. File Hash is completely free for both personal and commercial projects. There are no usage limits, no sign-up, and no premium tier.

Is my data safe when I use File Hash?

All processing happens locally in your browser using JavaScript. Your input is never uploaded to our servers, logged, or shared with any third party.

Does File Hash work offline?

Once the page has loaded, the tool runs entirely client-side. You can disconnect from the internet and it will keep working in the same browser tab.

Which browsers are supported?

File Hash works in all modern browsers, including the latest versions of Chrome, Firefox, Safari, Edge, Brave, and Opera, on desktop and mobile.

Do I need to install anything?

No. File Hash runs in any modern web browser with no installation, browser extension, or account required.

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