Corrupt Files Instantly
Corrupt PDF, DOCX, ZIP, and more — safely in your browser. No uploads, no sign-ups, 100% private.
File Corrupter — Client-Side
Corrupt a file locally in your browser for testing purposes. Nothing is uploaded.
For lawful testing only. Files are processed in-memory and never stored.
Fast & Private Processing
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Why Choose Our Instant File Corruption Tool?
Our browser-based tool is designed for developers, QA testers, and students who need corrupted files for testing—fast, secure, and without hassle.
✔ Private & Secure: All corruption happens locally in your browser—files are never uploaded.
✔ Multiple Formats Supported: Corrupt PDFs, DOCX, ZIP, JPG, and more instantly.
✔ No Sign-Ups Required: Drag, corrupt, and download—completely free.
Trusted by QA Testers & Developers Worldwide
Thousands of users rely on our instant file corruption tool for secure and reliable testing — fast, private, and hassle-free.
Feature Highlights
How It Works
Select any PDF, DOCX, ZIP, JPG, or other supported file format. Your file remains completely local in your browser—never uploaded or stored.
Choose the level of corruption that fits your needs: Light, Moderate, or Extreme. Ideal for testing software error handling, validation, or QA scenarios.
Hit the pink ‘Corrupt & Download’ button. Instantly receive your corrupted file—ready for testing, demonstrations, or experiments.
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Running macOS and Windows 10 on the Same Computer
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