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Skip to contentFix corrupted PDFs with broken xref or trailer tables. qpdf WASM runs locally in your browser.
Full tool — runs in your browser. No sign-up required.
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Fix corrupted PDFs with broken xref or trailer tables. qpdf WASM runs locally in your browser.
Load your file into Tentaco Pdf Repair. Standard processing runs locally in your browser — contents are not sent to Tentaco servers for that path.
The primary button opens the matching studio mode so you can start without an account. Built for quick one-off tasks on desktop and mobile.
Open Pdf Repair via the studio button (direct mode).
Select or drop your file.
Adjust options and review the preview or output.
Download the result and re-run if you need another pass.
File transfer: No. Processing: local in the browser. External APIs: none. Temporary storage: memory. Permanent storage: only after you download.
LocalThis tool processes data locally in your browser. Tentaco does not receive your file contents for this mode.
Pdf Repair accepts the file types listed in the tool UI. Convert unsupported formats first or use a related Tentaco tool.
No. Pdf Repair processes the standard mode locally in your browser; Tentaco does not receive your input for that path.
Practical limits depend on your device and browser memory. Very large files may be slow or fail in Pdf Repair — shrink the file and retry.
After processing, Pdf Repair shows a download action. Save locally; Tentaco does not auto-archive to a cloud library.
Yes, Pdf Repair runs in mobile browsers. For very large media, desktop is often more comfortable.
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Split PDF online without upload — extract pages free
Split a PDF into separate files, one per page. Use Tentaco PDF Split to process the file in your browser and download the result — no account.
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Remove password protection from PDF files. Use Tentaco PDF Unlock to process the file in your browser and download the result — no account.