File MD5 Modifier

Change a file's MD5 by appending random data. Batch supported, up to 5 files.

How to use

1. Fill in the input box above, or click "Fill sample" to try it instantly
2. Adjust the options as needed — results update as you type
3. Click "Run" to get the result, then copy or export it in one click

Tips

• Processed on the server; uploaded files are deleted immediately afterwards and never retained
• Completely free, no registration, no usage limits
• Maximum 96 MB per file — compress very large files before processing