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Repair PDF

Repair broken cross-reference tables, damaged object streams, and malformed PDF structure. A lossless qpdf rebuild runs first; Ghostscript reconstructs the document only when the safer pass cannot produce a usable PDF.

Workspace

Drop a file here

or drop one or paste here · pdf · up to 200 MB each

Specification

Accepts
pdf
Returns
pdf
Runs on
qpdfghostscript

Purpose-built PDF workflow

Use Repair PDF online

Recover malformed cross-reference tables and damaged object structure with a conservative pass before attempting a deeper rebuild.

Precise controls without hidden quality loss

Included

Lossless repair attempted first

Included

Automatic Ghostscript fallback

Included

Output is checked before it is returned

The first pass is a lossless qpdf reconstruction. Ghostscript is used only when that safer result cannot be produced.

No repair tool can recover bytes that are absent from the source file, and severely damaged PDFs may still fail.

How to use Repair PDF

  1. Choose the damaged PDF.
  2. Run the two-stage repair process.
  3. Open and inspect the repaired download.

Repair PDF questions

What does the Repair PDF do?

Recover malformed cross-reference tables and damaged object structure with a conservative pass before attempting a deeper rebuild.

Does the Repair PDF preserve PDF quality?

The first pass is a lossless qpdf reconstruction. Ghostscript is used only when that safer result cannot be produced.

What should I know before using the Repair PDF?

No repair tool can recover bytes that are absent from the source file, and severely damaged PDFs may still fail.

Are files kept after using the Repair PDF?

No. The upload is processed in a temporary job directory and removed when the result is returned, with the crash cleanup as a final safeguard.