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Repair PDF

Fix corrupt or damaged PDF files and recover your content

Drop damaged PDF here

or select a file from your device

Supported: .pdf

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Your repaired PDF is ready for download.

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Repair Notes
What can be repaired:
  • Corrupt file headers
  • Missing cross-reference tables
  • Damaged page objects
  • Broken internal links
Limitations:
  • Severely damaged files may not be recoverable
  • Some formatting may be lost
  • Password-protected files must be unlocked first

Repair PDF Online — Complete Guide

Recover PDFs that fail to open, show blank pages, or report corruption errors. PdfPeaks attempts structural repair so you can regain access to important documents without expensive desktop recovery tools.

How It Works

Upload the damaged PDF and run repair. The engine rebuilds cross-reference tables and streams where possible, then returns a cleaned PDF for download. Severely truncated files may only partially recover — always keep original backups when available.

  • Step 1 — Upload: Select the PDF that will not open correctly.
  • Step 2 — Repair: Run the recovery process and wait for analysis.
  • Step 3 — Verify: Open the repaired PDF locally before deleting the original.

Security & Privacy

Files are encrypted in transit and deleted after processing — see our Privacy Policy for details.

Common Use Cases

  • Email downloads: Fix PDFs corrupted during transfer.
  • Storage failures: Salvage files from failing drives or sync conflicts.
  • Legacy archives: Open old PDFs after software upgrades.
  • Print shops: Recover customer files that error in RIP software.
  • Legal: Restore exhibits needed for deadlines.

Tips for Best Results

If repair fails, try re-downloading the source or exporting a fresh PDF from the original application. Supported format: PDF (.pdf).

Related guides

Browse all PDF & image guides

Frequently Asked Questions

It rebuilds broken PDF structure and tries to recover pages from files that will not open in a reader after a bad download, a truncated email attachment, or a crashed export. It is not a magic undo for files that were never a PDF.

As much as the remaining bytes allow. Heavily truncated files can miss the last pages. Compare page count with the original if you still have it.

No. Use Unlock PDF when you have the password. Repair is for structural damage, not for skipping a password.

Yes for standard use. Files are encrypted in transit and deleted after processing. See the Privacy Policy for details.

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