Free File Checksum Verifier
Calculate MD5, SHA-1, SHA-256, SHA-512 checksums and verify file integrity. Free, fast, and works entirely in your browser with no sign-up required.
File Checksum Verifier
Calculate MD5, SHA-1, SHA-256, and SHA-512 checksums for any file. Verify file integrity by comparing hashes.
Drop a file here or click to browse
Any file type supported. Processing is done locally.
100% Private — Files Never Leave Your Browser
All hash computation happens locally using the Web Crypto API (SHA-1/256/512) and a pure-JS MD5 implementation. Your file is never uploaded to any server.
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Frequently Asked Questions
What is the File Checksum Verifier?
The File Checksum Verifier is a free online tool that calculate md5, sha-1, sha-256, sha-512 checksums and verify file integrity. It runs entirely in your browser with no installation or sign-up needed.
What hash algorithms are supported?
MD5, SHA-1, SHA-256, and SHA-512.
How do I verify a file?
Upload the file, then paste the expected hash. The tool will show a match or mismatch.
Is it free?
Yes, completely free.
Is my data safe with this tool?
Absolutely. The File Checksum Verifier processes everything client-side in your browser. No data is uploaded to or stored on any server. Your content remains private on your device at all times.
Does the File Checksum Verifier work on mobile devices?
Yes, the File Checksum Verifier is fully responsive and works on smartphones and tablets. You can use it on any device with a modern web browser -- no app download required.
Do I need to create an account to use this tool?
No account or registration is needed. Simply open the File Checksum Verifier in your browser and start using it immediately. There are no sign-up walls or usage restrictions.
Which browsers are supported?
The File Checksum Verifier works in all modern browsers including Chrome, Firefox, Safari, Edge, and Opera. For the best experience, use the latest version of your preferred browser.
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About Free File Checksum Verifier
Free File Checksum Verifier is a free, browser-based tool in our Utility Tools collection. Everything runs locally on your device — no uploads, no sign-up, and your data stays private.