Repair PDF
Repair and recover corrupted or damaged PDF files by rebuilding the PDF structure using Ghostscript. Fix common issues like broken xref tables, invalid encodings, and font problems.
or Drag & drop files here
Supported formats: .pdf, application/pdf
Repair Corrupted PDF Files
Fix and recover damaged or corrupted PDF files using advanced Ghostscript technology. Our tool rebuilds the entire PDF structure from scratch, repairing common issues like broken xref tables, invalid encodings, font problems, and structural corruption. Process files entirely in your browser with optional optimization levels to balance quality and file size. Perfect for recovering incomplete downloads, fixing malformed PDFs, and restoring damaged documents.
Key Features:
- Fix structural corruption and rebuild PDF from scratch
- Repair broken xref tables, invalid encodings, and font problems
- Batch repair up to 20 files simultaneously (100MB each)
- Choose optimization level: Preserve Quality, Balanced, or Optimize Size
- Optional linearization for faster web viewing
- 100% browser-based processing with WebAssembly
- Complete privacy - files never uploaded to servers
How to repair PDF files:
- 1
Upload corrupted PDF files (up to 20 files, 100MB each)
- 2
Choose optimization level and repair options
- 3
Click "Repair PDFs" to fix structural issues
- 4
Download repaired files individually or as ZIP
Your Privacy is Protected
All conversions happen locally in your browser. Your files never leave your device and are automatically deleted when you close this page.
Frequently Asked Questions
Repair PDF rebuilds the PDF structure from scratch using Ghostscript. It extracts valid content and regenerates the file with proper formatting, fixing common corruption issues like broken xref tables, invalid encodings, and font problems.
Can fix: incomplete downloads, malformed xref tables, broken font embeddings, invalid stream encodings, metadata corruption, and structural inconsistencies. Cannot recover completely missing pages or unreadable data.
Depends on optimization level. 'Preserve Quality' maintains original quality. 'Balanced' provides moderate optimization. 'Optimize Size' reduces file size significantly during repair.
Yes, completely safe. All processing happens in your browser using WebAssembly. No files are uploaded to servers. Original files are never modified.
If the PDF is severely corrupted, we'll show a clear error message. In some cases, partial repair may succeed but with some content loss. We'll always inform you if content was lost during repair.
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Your Privacy is Our Priority
Unlike other PDF tools, we process your files directly in your browser using WebAssembly technology. This means your sensitive documents never leave your device.
Browser Processing
Processing happens in your browser
No File Uploads
No files uploaded to our servers
No Storage
We don't permanently store your files
Complete Privacy
Your files never leave your device during processing
100% Privacy Guarantee
We use cutting-edge WebAssembly technology to process your PDFs entirely within your browser. No uploads to our servers, no data collection, no privacy concerns. Just pure, local processing power.
How Our Privacy-First Technology Works
WebAssembly Processing
We use WebAssembly (WASM) to run PDF processing libraries directly in your browser, eliminating the need to upload files to external servers.
Local Storage Only
Files are temporarily stored in your browser's memory during processing and automatically cleared when you close the tab or complete the task.
No Data Collection
We don't track, store, or analyze your file contents. Our analytics only measure tool usage patterns, not personal data.
GDPR Compliant
Our privacy-first approach means we're automatically compliant with GDPR, CCPA, and other privacy regulations worldwide.