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Repair PDF

Recover data from a damaged or corrupt PDF.

or drag and drop PDFs here

Files are processed on your device and never uploaded.

To repair a damaged PDF, select the file and click Repair PDF. The tool rebuilds the PDF’s internal structure and recovers every page it can read. If the structure is badly broken, pages are re-drawn as images so you still get a usable document.

How to repair PDF

  1. Select your PDF filesClick “Select files” or drop your PDF files on the page.
  2. Choose your optionsNo settings needed. The tool picks the best recovery method automatically.
  3. Click “Repair PDF”The result is created on your device in seconds and downloads automatically.

Frequently asked questions

Can every PDF be repaired?

Not always. If the file is truncated or overwritten, missing pages cannot be recovered, but the readable pages are saved.

Is Repair PDF free?

Yes. Repair PDF on HappyPDF is completely free: no sign-up, no watermark and no daily limit.

Are my files safe?

Yes. Your files are processed inside your own browser and are never uploaded to HappyPDF’s server,, so nobody else can see them.

Does it work on phone, Mac and Windows?

Yes. It works in any modern browser (Chrome, Safari, Edge, Firefox, Samsung Internet) on Windows, macOS, Linux, Android and iPhone/iPad. Nothing to install.

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