File Hash Checker (SHA-256, SHA-512, SHA-1)
Security ToolsGet or verify the checksum of any file
Embed this tool on your websiteFree
- Choose how tall the frame should be.
- Press Copy code.
- Paste it into your page, blog, WordPress or Notion HTML block.
The tool runs inside your visitor's browser, nothing is uploaded, and a small "Powered by ToolCloak" line stays under it. The second line (script) is optional: it makes the frame fit the tool's height.
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All history →File Hash Checker (SHA-256, SHA-512, SHA-1) — at a glance
Check that a downloaded file is exactly the original — no corruption, no tampering.
How to use it — step by step
Any file, and optionally the checksum from the website you downloaded it from.
Add file(s)
Choose one or more files of any type.
Pick algorithm
SHA-256 is the most common. Paste the expected hash to verify automatically.
Calculate
The hash is computed on your device.
Compare or copy
You see MATCH or NO MATCH, and can copy the hash.
Pro tips
Small things that make the result better.
Quick facts
Frequently Asked Questions
Why is MD5 not here?+
The browser's built-in crypto does not include MD5. Use the MD5, SHA & CRC32 Checksum Generator for text.
What does NO MATCH mean?+
The file differs from the original: the download may be incomplete, damaged or altered, or you compared a different hash type.
How big can the file be?+
Up to 700 MB. Larger files need a desktop tool.
Is my data safe?+
Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.
Is this tool really free?+
Yes — completely free, no signup, no watermark and no usage limit.