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Repair PDF

Attempt to repair damaged or corrupted PDF files. Recover content from broken PDFs.

Drag & drop a PDF file here

or click to browse

or import from

How to Use Repair PDF

1

Upload the damaged PDF

Select or drag and drop the corrupted PDF file. The tool accepts files that fail to open in other PDF viewers.

2

Automatic repair analysis

The tool analyzes the type of corruption and applies multiple repair strategies automatically, starting with structure-preserving methods.

3

Review repair results

Preview the repaired PDF pages to verify content has been successfully recovered. The repair status indicates which strategy succeeded.

4

Download the repaired PDF

Download the fixed PDF file. If structural repair succeeded, text remains selectable. If page reconstruction was needed, content is preserved as images.

About Repair PDF

PDF repair tool online — fix damaged or corrupted PDF files using multiple recovery strategies instantly for free. Repair PDFs that fail to open, display errors, or have corrupted content. The tool first attempts to re-parse and re-save the document structure, preserving selectable text and formatting. If structural repair fails, it renders and rebuilds pages as high-resolution images to recover visual content. Fix corrupted cross-reference tables, broken object streams, and damaged PDF headers. Essential for recovering important documents after download errors, disk corruption, or email attachment damage. All processing happens in your browser.

Key Features

  • Repair damaged or corrupted PDF files using multiple automatic recovery strategies
  • Fix corrupted cross-reference tables, broken object streams, and structural PDF damage
  • Two-stage repair: first preserves original structure, then falls back to page-by-page reconstruction
  • Automatic analysis identifies the type of corruption and applies the most effective repair method
  • Recover content from PDFs that fail to open in Adobe Reader, Preview, or other PDF viewers
  • 100% browser-based PDF repair — your damaged files are never uploaded to any server

Frequently Asked Questions

How to repair a corrupted PDF file online?▾
Upload the damaged PDF to our repair tool. It automatically applies multiple recovery strategies to fix corrupted structure, broken references, and damaged content. Download the repaired file.
How to fix a PDF that won't open?▾
Upload the PDF that fails to open. Our tool attempts structural repair first, then page-by-page reconstruction. Most PDFs with download corruption or minor damage can be recovered.
How to recover content from a damaged PDF?▾
Upload the damaged file and the tool extracts and rebuilds readable content using multiple repair strategies. Visual content is preserved even when the PDF structure is severely damaged.
How to fix a corrupted PDF without Adobe Acrobat?▾
Our browser-based repair tool works without any software installation. Upload the corrupted PDF, let the automatic repair run, and download the fixed file — no Adobe Acrobat needed.
How to repair a PDF after a failed download?▾
Download corruption is a common issue our tool handles well. Upload the partially downloaded or corrupted PDF and the repair process often recovers all pages successfully.
How to fix PDF cross-reference table errors?▾
Cross-reference table corruption is one of the most common PDF issues. Our tool re-parses and rebuilds the cross-reference table, fixing "invalid xref" and similar errors.
How to repair a PDF that shows blank pages?▾
Upload the PDF showing blank pages. The tool attempts to repair broken object references and rebuild page content. If structural repair fails, page-by-page reconstruction recovers visual content.
How to fix a damaged PDF on any device?▾
Our tool works in any web browser on Windows, Mac, Linux, and mobile devices. No software installation needed — just upload the damaged PDF and download the repaired version.