DEVELOPER TOOLS / FREE ONLINE TOOL

SHA-256 File Checksum Generator

Generate and verify a SHA-256 file hash entirely in your browser without uploading the file.

✓ Browser only✓ No signup✓ Copy or download

Where this tool helps

Useful for software downloads, transfer integrity and verifying document copies.

Privacy and limitations

Browser crypto requires HTTPS or localhost. A checksum confirms byte identity, not the trustworthiness of its publisher.

How to use SHA-256 File Checksum Generator

Choose any local file under 100 MB.
Optionally paste an expected 64-character SHA-256 checksum.
Generate the digest and compare or download the text result.

What to know before you start

Browser crypto requires HTTPS or localhost. A checksum confirms byte identity, not the trustworthiness of its publisher.