Corrupt PDF Online – Free PDF File Corrupter
Upload a PDF and instantly generate a deliberately corrupted version — processed locally in your browser, never uploaded to any server.
or click to choose a PDF file
Use responsibly. Always keep the original PDF backed up before corruption.
Free Online PDF File Corrupter
This tool allows you to corrupt PDF files online for software testing and validation. Generate damaged PDFs to simulate upload failures, error handling cases and document recovery scenarios.
Why Corrupt a PDF File?
- Test apps that handle document uploads
- Trigger PDF error messages for debugging
- Analyze unreadable or damaged PDF structures
- Practice recovery and repair tools
How This PDF Corruption Tool Works
The tool modifies random bytes inside the PDF, causing its structure to break. Many readers like Adobe Acrobat or browsers will fail to open the corrupted version — perfect for testing how your applications react to unsafe files.
Privacy & Security
The entire corruption process happens within your browser using JavaScript. Your PDF never leaves your device and is not uploaded to any server.
Try Our PDF Corruptor Today
Corrupt your PDF file online instantly — fast, secure and free. Simply upload a PDF above, click Corrupt PDF File and download the damaged result.