FREE FILE HASH

Free File Hash Calculator

Calculate SHA-256, SHA-384, and SHA-512 checksums for free without uploading files.

Files and checksums are never uploaded or stored.

  1. 1Choose file
  2. 2Calculate SHA
  3. 3Review result

1 · Choose file

Files to hash

Processed on your device

Choose up to 100 files; large files are read sequentially.

Drop files here or use the selection button.
Selected files0 files
  • No files selected yet.

2 · Calculate SHA

Choose algorithms

SHA-256 is selected by default for broad compatibility.

Hash algorithms

SHA-256 is recommended. Selecting more algorithms takes more time.

3 · Review result

Checksums by file

Calculated SHA values, copy buttons, and manifests will appear here.

FREE FILE HASH

How to calculate file hashes for free

Choose files, calculate locally, then copy or save checksums.
1

Choose files

Add one or more files and review their names and sizes.

2

Choose SHA

Keep SHA-256 or add SHA-384 and SHA-512 when required.

3

Copy or save

Copy individual values or save an algorithm-specific SUMS.txt.

SHA-2 · LOCAL

Stream large files with bounded memory

A separate browser worker reads chunks instead of uploading or copying the whole file.

No server upload

File bytes, names, and hashes stay in this browser.

Incremental worker

Chunked calculation keeps the interface responsive.

Standard manifest

Keep multiple values in SHA256SUMS.txt format.

FREE FILE HASH FAQ

File hash calculator FAQ

Review free use, SHA choices, privacy, and large-file behavior.
1Is this file hash calculator free?

Yes. It is free without usage limits and runs in your browser with no paid server processing.

2Are files uploaded?

No. Files, filenames, and checksums are never uploaded or stored.

3Which SHA algorithm should I use?

Use SHA-256 for typical download verification, or the SHA-384/512 algorithm named by the publisher.

4Can it hash large files?

Yes, files are streamed in chunks, but those over 1 GB can take time depending on the device and drive.

5Does it support MD5 or SHA-1?

No. This tool focuses on SHA-256, SHA-384, and SHA-512.