Verify File Integrity in Seconds
For Windows users, IT pros, and developers who need to check file integrity without command-line tools. Right-click any file to get its SHA-256 hash and compare it against a known checksum.
Results update live as you type — no button needed. The Example button fills a sample input.
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Why use Hash Check Shell Extension?
Instantly compute SHA-256 hashes from the context menu
No command-line or third-party software required
Verify file integrity against known checksums
Lightweight and integrates seamlessly with Windows Explorer
Supports MD5, SHA-1, and SHA-256 algorithms
FAQ
What is a SHA-256 hash?
SHA-256 is a cryptographic hash function that produces a unique 256-bit (32-byte) signature for a file. It is commonly used to verify file integrity.
How do I verify a file's integrity?
Compute the file's SHA-256 hash using our tool and compare it with the checksum provided by the source. If they match, the file is intact.
Is this tool free?
Yes, Hash Check Shell Extension is completely free to use.
Does it work on all Windows versions?
It supports Windows 7, 8, 10, and 11.
Example input
Try it with this sample — paste it into the box above:
The quick brown fox jumps over the lazy dog
How to use Hash Check Shell Extension
- Enter or paste your data into the Text to Hash box above.
- The result appears instantly in the SHA-256 Hash box — everything runs in your browser, nothing is uploaded.
- Use Copy or Download to keep the result, or Example to load a sample first.
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