Repair PDF structure
Try to rebuild damaged cross-references and document structure.
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Repair PDF structure — workspace
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How to use: Repair PDF structure
Choose local files or try the sample PDF. Your documents stay on your device.
Choose the damaged PDF and attempt a structural rebuild, then open the result to check its contents.
Create the result, check its preview, then download individual files or the ZIP archive.
What you can do
- Try to rebuild damaged cross-references and document structure.
What you get
- A new PDF download; your original file remains unchanged.
What you need
- Local files
- One PDF document.
- Settings
- Choose the damaged PDF and attempt a structural rebuild, then open the result to check its contents.
Try an example
- Example workflow
Run the sample through the repair process to see the workflow before trying a damaged file.
Good to know
- Up to 50 MB per file, 100 MB per job and 200 total pages. Multi-file tools accept at most 30 files.
- Repair can rebuild some cross-references and structural errors. Missing bytes, lost page content and every form of corruption cannot be recovered.
- Keep the original document. Editing an existing digitally signed PDF can invalidate its certificate signature.
Your work stays on your device
Your files and entered values are processed in your browser and are not uploaded for processing. The website and any required processing engines still download from the site.
Questions & answers
Is Repair PDF structure free?
Yes. Repair PDF structure is free to use and does not require an account.
Are my files or entered values uploaded?
Your files and entered values are processed in your browser and are not uploaded for processing. The website and any required processing engines still download from the site.
What result can I save?
A new PDF download; your original file remains unchanged.
What should I check before using the result?
Up to 50 MB per file, 100 MB per job and 200 total pages. Multi-file tools accept at most 30 files. Repair can rebuild some cross-references and structural errors. Missing bytes, lost page content and every form of corruption cannot be recovered. Keep the original document. Editing an existing digitally signed PDF can invalidate its certificate signature.