Can this fix PDFs corrupted during incomplete downloads?
Yes! If the root page tree and essential object streams remain intact in the byte payload, CrispPDF synthesizes a new valid trailer dictionary.
● 100% In-Browser Memory • Zero Server Uploads
Repair Corrupted PDF & Rebuild XRef Table
Rebuild damaged cross-reference tables, fix truncated byte streams, and restore unopenable PDF files in-browser.
Select PDF File or Drag & Drop Here
Files are processed entirely in local device RAM. Supported: .pdf
Quick Answer & Overview
Repair unopenable or corrupted PDF files in your browser. CrispPDF scans raw byte streams for orphan objects, restores missing `%PDF` header bytes, and reconstructs damaged cross-reference (`xref`) tables from scratch.
How to Use Repair PDF
- 1 Select or drop your PDF document directly into the tool workspace.
- 2 Configure your preferred options or let CrispPDF optimize automatically.
- 3 Click Process to run the operation instantly inside your browser RAM and save your file.
Technical Specifications
Architecture
WebAssembly (WASM)
Privacy Guarantee
Zero Server Uploads
Max File Size
100 MB
Standard
ISO 32000-1