PDF MasterPDFMaster

Repair PDF

Recover a damaged or corrupted PDF that refuses to open.

3 free files a day · No sign-up · No ads

Frequently asked questions

How do I use Repair PDF online?

Upload your PDF file, adjust the options if you need to and press Run. PDFMaster processes the file on our servers and gives you the PDF result to download in seconds, with no software to install.

Is Repair PDF free?

Yes. You can use Repair PDF online for free with 3 files a day, renewed daily, with no account and no ads. Premium removes the daily limit.

Is my document safe?

Files travel over HTTPS and are kept only for the time needed to finish the job. Nothing is shared with third parties and you can delete the output as soon as you have downloaded it.

Guide and use cases

Repair PDF: Guide and use cases

Repair a damaged PDF that will not open or shows errors. PDFMaster rebuilds the file structure and cross-reference table, recovering readable content from corrupted downloads and interrupted transfers.

How it works

  1. Upload the corrupted PDF.
  2. Click Repair to rebuild the document.
  3. Wait while the structure is reconstructed.
  4. Download the repaired file and open it in any viewer.

Use cases

Tips