File Checksum Calculator
Calculate and verify file hashes (MD5, SHA-256, SHA-512).
Free online tool. No signup required. All processing runs in your browser.
Verify checksum
Paste the expected hash and select algorithm to compare with the file.
About this tool
Upload a file to generate its hash values and optionally verify them against expected values.
What is File Checksum Calculator?
A checksum is a hash value used to verify file integrity. If two hashes match, the files are identical.
How to use File Checksum Calculator
- Upload a file.
- Select hash algorithms.
- Copy or verify the generated hashes.
Examples
Example input
(select a file)
Example output
SHA-256: a1b2c3...
FAQ
Is my file uploaded?
No. Processing happens locally in your browser.
Which algorithm should I use?
Use SHA-256 or SHA-512 for security purposes.
Are these tools free?
Yes. All tools on DevToolsHub are free to use.
Does the tool store my data?
No. Processing happens in your browser. We do not store or send your input to any server.
Can I use the output in production?
Yes. Use the result as you like; we do not claim any rights over the output.