QBMFX Repair and rewrite PDF
Attempt to recover a PDF that a viewer cannot open reliably by parsing and rewriting the structures the local engine can understand. Save the result separately and inspect every page against an available original. Repair is best effort: missing image bytes, destroyed text data and unsupported damaged structures cannot be recreated from nothing. Book centers, freelancers and developers can use this free local workspace without a login or paid conversion API. Keep the original and inspect the downloaded result.
Choose your files and review the settings.
Keep originals and inspect the result before printing. File changes clear previous downloads. Heavy image and OCR work can take longer on a phone.
Using Repair and rewrite PDF
- Choose the damaged PDF and keep its original.
- Attempt a local repair and rewrite.
- Open the result and inspect pages, images and text.
Behind the result
The PDF engine attempts to recover readable document structures and writes a fresh output from the successfully parsed content.
Free tools for everyday work
Book centers, photocopy shops, freelancers and developers can use this workspace without a paid plan or account. Files are processed locally. Prepare website resources from offline setup before disconnecting; Urdu/OCR also needs the separate pack above.
The Windows app currently includes the original four tools. The expanded tools are available on the website; app and extension updates will be separate releases.
Answers and practical details
Unrecoverable content
When required bytes are missing or encrypted content cannot be authenticated, a repair tool cannot reliably reconstruct the original information.
Price and accounts
This website workflow is free without a login, subscription or paid conversion tier. Your browser supplies the processing memory and CPU.
Local file handling
Selected documents and generated results are processed on your device. QBMFX does not upload them to a conversion server or save them in a customer database. Hosting, advertising and opening external links are separate network activity.
Offline preparation
Prepare the supported website resources while connected, wait for the ready status and test the workflow before disconnecting. OCR, advanced PDF processing or fonts can need an additional local resource pack. Browser cleanup can remove saved resources.
Installed app availability
The Microsoft Store app and Edge package currently contain the original four tools. Website additions require a separate installed-package release and do not update those packages automatically.