Fix damaged PDF structure

Repair PDF Online

Repair damaged or broken PDF files by rebuilding their internal structure. Upload a PDF, let the tool rewrite the file, and download a cleaner repaired copy that may open better in PDF readers.

Upload PDF Repair Structure Download PDF

Recover readable PDFs

Try to repair corrupted PDF structure, rebuild references, and create a fresh working copy.

Free Repair PDF Tool

Upload a damaged PDF and repair common file structure issues using server-side PDF tools.

Upload Damaged PDF

Drag and drop your PDF here or click below to choose a file.

Choose PDF

Auto Repair Engine Uses qpdf first, then Ghostscript fallback when available.

Structure Rebuild Attempts to rebuild PDF references, streams, and output structure.

New PDF Copy Your original upload is processed and a repaired copy is created.

Some PDFs are too damaged to repair. This tool can fix many structure issues, but it cannot restore missing pages or lost content.

Why Use This Repair PDF Tool?

PDF files can become damaged after incomplete downloads, failed transfers, broken exports, or storage problems.

Fix Common PDF Errors

Repair PDFs that fail to open because of broken structure, damaged references, or export issues.

Rewrite PDF Cleanly

The tool creates a fresh PDF output, which can help PDF readers open the document more reliably.

Original File Safe

Your original upload is not overwritten. The tool generates a separate repaired PDF copy.

How It Works

Repair your PDF in a few simple steps.

Upload PDF

Choose the damaged, broken, or unreadable PDF file from your device.

Repair File

The tool rebuilds the PDF using qpdf or Ghostscript depending on your server setup.

Download PDF

Download the repaired PDF copy and test it in your preferred PDF reader.

Repair PDF FAQs

Common questions about repairing damaged PDF files online.

Yes, this PDF repair tool is free to use. Upload a PDF, repair it, and download the repaired copy.

It can help with many structure problems, broken references, incomplete exports, and PDFs that need to be rewritten cleanly.

No. If pages or content are permanently missing from the file, this tool cannot recreate them. It can only repair what still exists inside the PDF.

qpdf is recommended. Ghostscript is used as a fallback. Installing both gives the best chance of successful PDF repair.

Repair may fail if the PDF is severely corrupted, encrypted, empty, missing important content, or if qpdf/Ghostscript is not installed correctly.