About Repair PDF
Repair PDF attempts to recover a corrupt or damaged PDF that will not open in normal viewers—often after interrupted downloads, bad USB copies, or crashed editors. While no repair is guaranteed, rebuilding structure and streams can rescue text-heavy documents when only the cross-reference table broke. IT help desks, archivists, and students facing deadline panic all reach for repair utilities before declaring data lost.
Successful repair might yield a slightly larger file or lose rare features like embedded JavaScript, but readable text and images are usually the priority. Always keep a copy of the broken original before trying multiple tools, since aggressive repair passes can sometimes worsen damage.
Very large damaged files may still hit upload limits; if possible, obtain a fresh download from the source system first—that fixes many “corrupt” cases instantly. After repair, compress or split as needed for distribution.
If the PDF contains legally critical evidence, consult specialists before online processing; chain-of-custody rules may forbid cloud upload. For everyday broken ebooks or invoices, repair plus Protect PDF can get you back to a shareable file quickly. Verify checksums or signatures afterward if authenticity matters.
Supported formats
This tool accepts PDF. Always respect the upload limit shown next to the form before sending large documents.
How to use
- Click Upload and choose your file.
- Set any options shown (compression, mode, ranges, etc.).
- Press Run tool and wait until the progress finishes.
- Download or copy the result from the result panel.
If processing fails, check the upload size limit on the form, try fewer or smaller files, or retry in a fresh tab.
Security & privacy
Files and text you send are processed to produce your result and are not intended for long-term storage on your behalf. Avoid uploading passports, bank details, medical records, or legally sensitive material unless you accept the risks of any online service. For confidential workflows, prefer offline software on a device you control. Read our privacy policy for site-wide practices.