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Repair PDF

Attempt to rebuild a damaged PDF.

Select a damaged PDF

Click to choose, or drop a file here

Related PDF tools

Compress PDFShrink file size by re-encoding page images.Compress to Target SizeShrink a PDF down until it fits under a size you choose — for email or upload limits.OCR PDFMake scanned PDFs searchable and selectable.Accessibility CheckerScan a PDF for the concrete things that block screen readers — missing tags, no language, no title, and more.

Sửa PDF — frequently asked questions

What kinds of damage can this actually fix?+

It rebuilds the file's internal object table and cross-reference index from scratch, which resolves most 'can't open this file' or 'file is damaged' errors caused by a broken xref table or a corrupted incremental save. It can't fix a file that's simply not a PDF, or recover content that was never saved in the first place.

What happens if the file is too damaged to rebuild normally?+

It falls back to rendering each page it can still read as an image and assembles those into a new PDF. You get your content back visually, but the text is no longer selectable or searchable — that trade-off only kicks in when the normal rebuild fails outright.

Do you upload my files to a server?+

No — every tool here processes your files entirely on your device, and nothing is uploaded to a server. The AI tools that used to send extracted text to a server are currently disabled.

Is there a file size limit?+

There's no artificial limit we impose, but since processing happens in your browser, very large files (500+ MB or 1,000+ pages) are limited by your device's memory rather than by us.

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