File Integrity Checker
NewVerify the integrity of downloaded files by computing their SHA-256 hash and comparing it against a known good hash. Supports checking multiple files simultaneously. Essential for verifying software downloads, OS images, and security tools against official checksums. Detects any modification or corruption, even a single bit change. All computation is done locally — files never leave your browser.
File Integrity Checker
Calculate SHA-256 checksums for multiple files to verify integrity. Compare against known good hashes.
How to Use File Integrity Checker
- 1Upload one or more files
- 2View SHA-256 hash of each file
- 3Paste an expected hash to compare
- 4Green = match, Red = mismatch
About File Integrity Checker
Verify the integrity of downloaded files by computing their SHA-256 hash and comparing it against a known good hash. Supports checking multiple files simultaneously. Essential for verifying software downloads, OS images, and security tools against official checksums. Detects any modification or corruption, even a single bit change. All computation is done locally — files never leave your browser.
Your Privacy is Protected
File Integrity Checker runs entirely in your browser. Your files and data are never uploaded to any server, never stored, and never shared. Everything happens locally on your device using secure browser APIs.
Frequently Asked Questions
Why verify file integrity?
Software publishers provide SHA-256 checksums so you can verify your download is authentic and unmodified. Corrupted or tampered files will produce completely different hashes.
Why Use This Tool?
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