Repair PDF
Rebuild a corrupted or 'cannot be opened' PDF by regenerating its internal structure - all in your browser.
Drop a damaged PDF here
or click to browse
About this tool
How to Repair a corrupted PDF
Need to repair a corrupted PDF? KuroPDF makes it simple - drop your file, adjust settings, and download the result.
Everything runs in your browser, so your files stay private and there are no size limits or daily caps.
Frequently asked questions
How do I repair a corrupted PDF?
Open the tool, drop your file, adjust any settings, and click the action button. The result downloads to your device instantly.
Do I need to create an account?
No - KuroPDF is completely free with no sign-up required.
Are my files uploaded?
Everything runs locally in your browser using WebAssembly. Because no data is uploaded to a cloud server, your files remain strictly private, and the entire process generates zero server carbon emissions, making it highly eco-friendly.