Can every broken PDF be repaired?

Structural Diagnostics & Recovery

Repair PDF Online — Fix Damaged Files

Analyze corrupted cross-reference tables, salvage intact page streams, and rebuild damaged PDF containers.

Upload damaged or corrupted PDF

Structural reconstruction • Up to 80 MB

Choose File

Recovered Document Preview

No PDF file selected for preview

Upload a document above to inspect pages and thumbnails

How to Use Repair PDF Online

Follow these simple steps to process your document with maximum privacy and speed:

Upload your damaged or corrupted PDF file.

Our structural diagnostics tool analyzes the header, xref tables, and object streams.

PDFToolkit salvages intact pages and re-serializes a healthy PDF.

Download your recovered PDF document.

Why Use PDFToolkit for Repair PDF?

100% Privacy Guarantee

Your file is never uploaded to remote servers. The algorithm runs locally in your browser memory via WebAssembly.

Instant Processing

Skip long server queues and network bottlenecks. Documents are rendered and transformed at client-side hardware speeds.

Universal Compatibility

Works seamlessly on Google Chrome, Apple Safari, Firefox, and Microsoft Edge across Windows, macOS, Linux, and iOS.

Related PDF Utilities

PDF Compressor Organize PDF Pages Unlock PDF

Got Questions?

Frequently Asked Questions

Everything you need to know about this tool, security, and usage.

If the underlying data stream is completely wiped or truncated to zero bytes, reconstruction is impossible. However, if structural cross-reference tables or headers are damaged while page content remains, PDFToolkit will successfully recover the document.