Why verify file checksums?

Comparing hashes confirms that downloaded software or archives have not been corrupted during download or tampered with by third parties.

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File Hash Checker

Calculate SHA-256, SHA-1, SHA-512, and MD5 file checksums to verify integrity.

How to Use File Hash Checker

1Select or drop any file (ZIP, EXE, PDF, image, etc.) into the tool.
2The browser computes cryptographic checksums in memory.
3Optionally paste an expected checksum to verify matching integrity.

Key Features & Benefits

Computes SHA-256, SHA-1, SHA-512, and MD5 checksums
Interactive checksum comparison with instant match verification
Uses native browser hardware acceleration via Web Crypto API
Handles any file format up to hundreds of megabytes safely

About File Hash Checker

Compute cryptographic hashes for any local file using the high-speed Web Crypto API. Verify file integrity against expected vendor checksums with instant green/red match indicators.

Unlike traditional web tools that send your personal data, uploaded photos, or sensitive text to remote cloud servers, our File Hash Checker operates strictly inside your client browser sandbox. This guarantees high processing speeds without network throttling, and ensures your data privacy is completely preserved.