optimize
Repair PDF
Improve PDFs for searching, sharing, and storage. These tools help make documents smaller, cleaner, or easier to work with.
PDF Health Check
Diagnose, recover, rebuild, validate.
Repair PDF uses a browser-side structural rebuild pass, then validates the result before offering a download. If the file is too damaged, you will get a clear failure instead of a misleading “fixed” file.
Checks include
- Cross-reference tables
- Page tree and catalog
- Streams and metadata
Recovery depends on how much valid PDF structure remains. Severely truncated, encrypted, or non-PDF files may not be recoverable in the browser.
About Repair PDF
A private way to repair pdf online
Diagnose PDF structure issues and rebuild a readable file when a document is partially corrupted or can no longer open reliably.
Local
Runs entirely on your device.
Free
No account, no watermarks.
Fast
Native-speed processing.
How to use Repair PDF
- Choose your PDF.
- Select the optimization options.
- Download the improved file.
Why use iChoosePDF
- Makes PDFs easier to search and send.
- Reduces friction in document workflows.
- Keeps everyday processing browser-first.
Common use cases
- Scanned documents
- Email attachments
- Archives
- Research files
Tips for better results
- Use OCR for scanned pages.
- Use compression for large files.
- Review important documents before sharing.
Troubleshooting
- Very large scans may need more browser memory.
- Low-quality scans may produce less accurate OCR text.
Privacy and security
iChoosePDF is built around browser-first PDF processing. When a tool can complete a task locally, the document stays on your device and does not need to be uploaded just to finish the job.
For sensitive files, review the output before sharing, use strong passwords where appropriate, and keep an original copy of important documents.
FAQs
Is iChoosePDF free to use?
Yes. The core PDF tools are free to use in your browser, with no account required for ordinary document tasks.
Are my files uploaded to a server?
iChoosePDF is designed for browser-first processing. When a tool can complete the job locally, your files stay on your device instead of being uploaded.
Can I use this on mobile?
Yes, the tools work in modern mobile browsers. Larger PDFs are usually easier to manage on a desktop or laptop because they need more memory and screen space.