Repair PDF Files

Rebuild a PDF’s file structure and save a rewritten copy. Check the detected status and process one or more documents locally. Completely free to use.

or drop PDF files here

Files are processed locally. Nothing is uploaded.

Save a Rebuilt Copy of a Problem PDF

A PDF can contain its page content but still cause errors because its internal file structure needs rebuilding. This tool checks for reconstruction during loading and can save a rewritten copy. It cannot recreate pages, text or images that are missing from the file.

How to Repair a PDF

Add the documents

Add the documents

Select one or more PDF files and enter the correct password for protected sources. The files need to load before they can be processed.

Check the detected status

Check the detected status

Read the structural status in the workspace, then click “Save a repaired copy”. A file without detected structural damage can still be rewritten.

Download and check the copy

Download and check the copy

Save a single rewritten PDF or a ZIP containing multiple results. Open the downloaded copies to check that the required content is present.

Repair PDF Files: practical uses and limits

Try to rewrite a damaged PDF so supported content can be opened again. Repair depends on what can still be read; missing bytes or severely damaged objects cannot be promised recoverable. Keep the damaged original.

Questions About PDF Repair

What does the repair tool rebuild?
It rebuilds and rewrites the PDF file structure. It can help when that structure causes errors, but it does not recreate missing document content.
Can it recover every corrupted PDF?
No. A file that is incomplete or too damaged to load may not be recoverable with this tool. Missing pages, text and images cannot be restored from absent data.
Why does it say no structural damage was detected?
The loading check did not report a reconstructed file structure. You can still save a rewritten copy if the source causes errors in another application.
Does a detected repair mean all content is correct?
The status refers to file structure. Check the downloaded document to confirm that the pages and content you need are present.
Can I process password-protected files?
Yes, with the correct password. The output is a new PDF and does not automatically retain the original password protection.
Can I repair several PDFs together?
Yes. Each completed source gets its own rewritten PDF. Download results individually or in one ZIP; they are not merged.
Are documents uploaded?
No. Loading, structural checks and rewriting happen locally in your browser. The original files stay unchanged.
Is this PDF tool completely free?
Yes. Processing and downloading results are completely free. Keep an original copy for future work.

Your all-in-one, easy-to-use online webapp

Popular Tools

Image & DPI Tools

PDF Tools

Report Bug/Request Feature