Advanced PDF Repair & Merger
Recover corrupted documents and combine files instantly in your browser.
Click to upload or drag and drop PDFs here
(Files are processed locally for maximum privacy)Why Use Our PDF Repair & Merge Utility?
In the digital age, PDF (Portable Document Format) is the universal standard for sharing information. However, file corruption can occur during unstable downloads, email transfers, or server errors. Our tool utilizes the pdf-lib engine to reconstruct the internal cross-reference tables (XREFs) of your documents, effectively "repairing" common structural errors.
Secure, Browser-Based Processing
Unlike other online tools, our application processes your files on your device. Your sensitive documents are never uploaded to our servers, ensuring 100% privacy and compliance with data protection standards. This makes it an ideal solution for legal, medical, and financial documentation.
How to Repair and Merge PDFs
- Select Files: Upload one or more PDF files into the secure drop zone.
- Organize: The tool automatically queues your files in the order they were uploaded.
- Process: Click "Repair" to fix internal metadata or "Merge" to create a single document.
- Save: Download your optimized PDF instantly.
Frequently Asked Questions
Can I fix a PDF that won't open?
Yes, our repair algorithm attempts to rebuild the file structure. If the corruption is in the metadata, the tool can often restore access to the content.
Is there a file size limit?
We support files up to 100MB directly in your browser. Larger files depend on your device's available RAM.
Are my files stored on your server?
No. All processing happens via JavaScript in your browser window. Once you close the tab, all traces of the file are gone.
Does merging lose quality?
Not at all. We perform a "lossless" merge, meaning the original resolution of images and text vectors remains untouched.
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