Privacy-first document tools
Repair PDF online
Recover data from corrupted PDF files. Use LeafDeck's privacy-first Repair PDF tool online without creating an account.
What Repair PDF does
Rebuild the internal structure of a problematic PDF so standard readers have a better chance of opening it.
- Files that report syntax errors, fail during upload, open inconsistently, or were produced by unreliable scanners or exporters.
- Prepare one damaged or incompatible PDF that you are authorized to process.
- Download a reconstructed PDF that should be tested before replacing the source.
How to use this tool
Prepare the source
Choose one damaged or incompatible PDF that you are authorized to process. Keep the original file until you have reviewed the result.
Run Repair PDF
Rebuild the internal structure of a problematic PDF so standard readers have a better chance of opening it. Review the available options before starting the operation.
Inspect the result
Repair cannot recreate data that is genuinely missing, so compare page count, text, images, forms, and signatures with the original.
When to use Repair PDF
Best suited to
Files that report syntax errors, fail during upload, open inconsistently, or were produced by unreliable scanners or exporters.
Expected result
The workflow produces a reconstructed PDF that should be tested before replacing the source.
Final quality check
Repair cannot recreate data that is genuinely missing, so compare page count, text, images, forms, and signatures with the original.
What to check before sharing your Repair PDF result
Repair cannot recreate data that is genuinely missing, so compare page count, text, images, forms, and signatures with the original.
LeafDeck creates a new output file rather than replacing the source on your device. Keep the original until page count, orientation, readability, formatting, and any important document features have been checked in the downloaded result.
Repair PDF questions
What does Repair PDF do?
Rebuild the internal structure of a problematic PDF so standard readers have a better chance of opening it.
When should I use Repair PDF?
Files that report syntax errors, fail during upload, open inconsistently, or were produced by unreliable scanners or exporters.
What does Repair PDF create?
It creates a reconstructed PDF that should be tested before replacing the source. The downloaded result is separate from the original file.
What should I check after processing?
Repair cannot recreate data that is genuinely missing, so compare page count, text, images, forms, and signatures with the original.