File Hash Checker

Verify the integrity of a file by generating its hash and comparing it with an expected value. All processing is done locally in your browser.

Drag and drop your file here

or click to browse

Selected file:

Calculating hash...

The tool will auto-detect the algorithm based on hash length.
Calculated Hash Value

About File Hash Checker

Verify file integrity by comparing its hash (MD5, SHA-1, SHA-256) with an expected hash value.

Calculate a digest for a local file so downloads, releases, backups, and transfers can be compared byte for byte.

Key features

  • Security task Calculate a digest for a local file so downloads, releases, backups, and transfers can be compared byte for byte.
  • Required material Select the exact local file to inspect and obtain the expected checksum from a separate trusted source.
  • Parameters that must match Choose a supported digest algorithm such as MD5, SHA-1, SHA-256, SHA-384, or SHA-512, matching the publisher value.
  • Result and verification The computed hexadecimal digest can be copied and compared exactly; a one-byte file change produces a different hash.

How to use File Hash Checker

Follow this workflow to work with file checksums safely and accurately.

  1. Provide the required material Select the exact local file to inspect and obtain the expected checksum from a separate trusted source.
  2. Match security parameters Choose a supported digest algorithm such as MD5, SHA-1, SHA-256, SHA-384, or SHA-512, matching the publisher value.
  3. Run the operation Run the operation locally, keep sensitive file checksums out of logs and screenshots, and never assume a successful transformation proves secure deployment.
  4. Verify before use The computed hexadecimal digest can be copied and compared exactly; a one-byte file change produces a different hash.

Usage tips

  • Compare algorithm and checksum, not just the visible prefix or suffix.
  • Prefer SHA-256 or stronger when a publisher provides multiple choices.
  • Obtain signed checksums or hashes over HTTPS from a channel independent of the file mirror.

Frequently asked questions

Calculate a digest for a local file so downloads, releases, backups, and transfers can be compared byte for byte.
Select the exact local file to inspect and obtain the expected checksum from a separate trusted source.
Choose a supported digest algorithm such as MD5, SHA-1, SHA-256, SHA-384, or SHA-512, matching the publisher value.
A matching hash detects accidental or malicious byte changes only if the expected hash itself is authentic. MD5 and SHA-1 are not collision-resistant.