Weesize

Repair PDF

Fix corrupt or unreadable PDF files by rebuilding the cross-reference table and structure. Free, private, and processed on your device.

1 Select or drop your file to start Repair PDF. Everything runs directly in your browser.2 Choose your target size or options. Repair PDF processes the file instantly on your device.3 Download your finished file. Nothing is ever uploaded to a server.

About this tool

Repair broken or damaged PDF files by recovering streams and rebuilding corrupt cross-reference tables so the document can be opened and printed normally.

Repair PDF is processed entirely on your device. Your original file remains untouched, and nothing is ever uploaded to a server or saved in the cloud.

  • No upload: recovery runs on your device so damaged confidential files remain private.
  • Speed: processing happens instantly on your device with no upload or download delays.
  • Quality: you can check your file before saving, and the original remains unchanged.
FAQ
Does “Repair PDF” upload my file?

Repair PDF processes your file locally in this browser tab. There is no upload step and no account required.

What will “Repair PDF” actually change?

Scans damaged byte streams and reconstructs missing xref tables.

When is “Repair PDF” the wrong job?

Restores unreadable PDFs produced by crashed exports or incomplete downloads.

How do I check the result of “Repair PDF”?

Processes files locally with zero upload.

Can I run “Repair PDF” with Wi-Fi off?

You can turn off Wi-Fi after loading this page and Repair PDF still works completely offline.

Last updated 2026-09-27.