OKFree Tools
Security

File Integrity Checker

Verify the integrity of your downloaded files to ensure they haven't been corrupted or modified

Runs locally in your browser. Nothing is uploaded.

Select File for Verification

Drag & drop file here or click to select

All file formats supported · Maximum file size: 100MB

Auto-detect hash type

File Information

Select or drag the file you want to verify into the upload area

How to Use File Integrity Checker

  1. 1
    Upload File

    Select or drag the file you want to verify into the upload area

  2. 2
    Enter Expected Hash

    If you have the expected hash value for the file, enter it for integrity verification

  3. 3
    View Results

    The system will calculate the file's hash values and display verification results

Security Tips

  • Verify Downloaded Files

    Always verify the integrity of important files downloaded from the internet

  • Compare Hash Values

    Compare calculated hash values with official hash values provided by the source

  • Detect Tampering

    Mismatched hash values may indicate the file has been modified or corrupted