File checksum (SHA-256)

Compute the SHA-256, SHA-1 and SHA-512 checksums of a file to verify its integrity.

How to use it

  1. Add your file or enter your values.
  2. Adjust the options if needed.
  3. Run it: the result appears at once and stays on your device.

FAQ

What is File checksum (SHA-256) for?

Compute the SHA-256, SHA-1 and SHA-512 checksums of a file to verify its integrity.

How do I use File checksum (SHA-256)?

1. Add your file or enter your values. 2. Adjust the options if needed. 3. Run it: the result appears at once and stays on your device.

Is my data sent anywhere?

No, the calculation runs entirely in your browser.

Is File checksum (SHA-256) free and unlimited?

Yes, no signup, no usage limit.

Which browsers are supported?

All modern browsers, on desktop and mobile.

Is the result accurate?

Calculations use standard formulas. For health, money or legal topics the result is indicative and does not replace professional advice.

Does File checksum (SHA-256) work offline?

After a first visit, most tools keep working without a connection.