Corrupt a File – Online File Corrupter

Upload any file and instantly generate a deliberately corrupted version — files never leave your device.

Drop your file here
or click to browse
Any file format

Use responsibly. Always keep a backup of original files.

Online File Corrupter – Corrupt Files Securely

This free online file corrupter helps you intentionally corrupt a file for testing, validation and research. Upload a copy of any file, and instantly download a deliberately corrupted version — with all processing done privately in your browser.

Why Use This “Corrupt My File” Tool?

Corrupt a file online in one click
No installation or account required
Private in-browser corruption
Fast and reliable for QA testing
Works on Windows, Mac, Linux, Android, and iPhone

Supported File Types

You can corrupt almost any file format, including:

Documents: PDF, DOCX, XLSX, PPTX, TXT
Images: JPG, JPEG, PNG, GIF, BMP
Archives: ZIP, RAR, 7Z, TAR, GZ
Audio / Video: MP3, WAV, MP4, MOV
Data / Code: CSV, JSON, XML, HTML, JS, PHP

How Does File Corruption Work?

The tool modifies random bytes and metadata in your file to create unpredictable corruption. Most applications are unable to open the damaged output, which helps in simulating real-world failure scenarios.

Who Benefits From This Tool?

Anyone Needs Extra Time and want to misguide Boss, Client
Software testers & QA teams
Developers testing file upload systems
Security researchers & students
Anyone learning file format behavior

Is It Safe?

Yes — your file never leaves your device. No server uploads, no storage, no tracking. All changes are done locally using secure browser technology.