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File Hash Calculator

Calculate SHA-256, SHA-384 or SHA-512 file hashes for free. No upload needed — private, browser-based verification. Check file integrity securely.

How to Calculate File Hashes

1

Select your file

Drag and drop any file or click to select it. All file types are supported — documents, images, archives, executables and more.

2

Choose the algorithm

Select SHA-256, SHA-384, or SHA-512. SHA-256 is the most commonly used for file integrity verification.

3

Copy or compare the hash

Copy the calculated hash to your clipboard. Compare it with a known hash to verify your file has not been tampered with.

Why use FyleTools for file hashing?

100% Private

Your file never leaves your device. The hash is calculated entirely in your browser — no server uploads, no third-party access.

Free & Unlimited

No registration, no file limits. Calculate hashes for as many files as you need, completely free.

Multiple Algorithms

Choose from SHA-256, SHA-384, or SHA-512. Industry-standard cryptographic hash functions for reliable integrity verification.

Frequently Asked Questions

Is my file uploaded to a server?
No. The hash is calculated entirely in your browser. Your file never leaves your device.
What is a file hash?
A hash is a unique fingerprint of a file. Even a tiny change to the file produces a completely different hash, making it ideal for verifying file integrity.
Which algorithm should I use?
SHA-256 is the most widely used and recommended for general purposes. SHA-384 and SHA-512 provide longer hashes for additional security.
Can I hash any file type?
Yes. The hash function works on any file regardless of type — documents, images, videos, archives, executables, and more.

Don't take our word for it — verify it

Every file you process here stays on your device. You can confirm that yourself in under a minute:

  1. Open your browser's DevTools and go to the Network tab, then process a file. You will see no request carrying your file to any server.
  2. Or turn off your Wi-Fi after the page has loaded. The tools keep working, because the processing happens in your browser.
  3. The processing runs on WebAssembly compiled into the page itself — there is no server-side conversion to inspect.