Repair Corrupted PDF Files
Analyze structural corruption and rebuild broken PDF object hierarchies entirely on your local machine.
Repair PDF Document
Diagnose corrupt, broken, or unreadable PDF files and rebuild clean object streams entirely in your browser.
Drag & drop image files here, or browse
Select or drop a broken, corrupt, or unreadable PDF document to inspect and repair.
How to use Repair Corrupted PDF Files
Upload Damaged PDF
Drop your corrupt or broken PDF file into the local analyzer.
Review Diagnostic Findings
Inspect the document health score, detected header/trailer issues, and object count.
Repair & Download
Click 'Repair Document' to reconstruct a pristine, standard-compliant PDF file.
Why use ImgZero for Repair Corrupted PDF Files?
Frequently Asked Questions
What types of PDF corruption can be repaired?
ImgZero repairs missing or misplaced %PDF- headers, truncated %%EOF markers, broken startxref pointers, damaged xref cross-reference tables, and unreadable stream dictionaries.
Is there any risk of data leakage when repairing sensitive documents?
None. The entire diagnostic and reconstruction process executes locally in your browser memory without network requests.
100% Client-Side Privacy Guarantee
Your files stay on your machine. No server uploads and no file-content tracking.