This is a complete HTML document that creates a professional PDF Repair Tool. It attempts to recover viewable content from corrupted or problematic PDFs by rendering each page as an image and generating a clean, readable PDF. The page includes a detailed article and FAQ section, with CSS fully scoped to the tool. ```html Repair PDF Tool | Fix Corrupted PDF Files

🛠️ Repair PDF Tool

Recover viewable content from damaged or corrupted PDFs · 100% local
📂
Drag & drop corrupted PDF or click to browse
⚡ No file selected. Upload a damaged PDF for repair attempt.
Preparing repair...

📌 Why Repair a PDF?

PDF files can become corrupted due to incomplete downloads, disk errors, software crashes, or conversion problems. A corrupted PDF may fail to open, show garbled text, or display missing pages. Our Repair PDF Tool attempts to salvage the viewable content from damaged files by rendering each page into a clean image and rebuilding a fully functional PDF. While complex structural damage may not be fully recoverable, this method preserves the visual appearance of every readable page — often recovering critical information.

⚙️ How the Repair Process Works

The tool uses Mozilla’s PDF.js library to load the PDF, even if some parts are damaged. It extracts the number of pages that can be successfully parsed and renders each page as a high‑quality JPEG image using the browser’s canvas engine. Then, using pdf‑lib, a brand new PDF document is created with these images embedded, resulting in a clean, standard‑compliant file. The output is an image‑based PDF that preserves the original layout and readability while discarding corrupted metadata or malformed objects. All operations happen locally — no file upload, complete privacy.

✨ Common Repair Scenarios

  • ✔ PDF that won’t open or shows "file damaged" error.
  • ✔ Pages that appear blank or with missing content.
  • ✔ Documents with garbled text or broken images.
  • ✔ PDFs generated by unstable third‑party software.
  • ✔ Files recovered from damaged disks or incomplete downloads.

❓ Frequently Asked Questions

🔹 Can this tool repair any corrupted PDF?
The tool attempts to recover any readable page content. If the PDF is completely unreadable (e.g., zero bytes, total header corruption), recovery may fail. However, it succeeds in many real‑world cases where at least the page structure is partially intact.
🔹 Does it upload my file to a server?
No. All processing happens inside your browser. Your original PDF and the repaired version never leave your computer. This makes it safe for sensitive documents.
🔹 Will the repaired PDF have selectable text?
Because we rebuild the document from rendered images, the output PDF is image‑based, so text will not be selectable. However, the visual appearance is fully preserved, making it readable, printable, and shareable. For text recovery, consider OCR after repair.
🔹 Is there any file size limit?
We recommend PDFs up to 100 pages and 80 MB. Larger files may be processed but could take longer depending on your device’s performance.
🔹 Can I repair password‑protected PDFs?
No, the tool works only with unprotected PDFs. If your file is encrypted, please unlock it first using a dedicated password removal tool.
🔹 What if the repair fails?
If the PDF is too severely damaged, you may see an error. In that case, try professional recovery software. Our tool is best for moderate corruption where pages are still partially accessible.

🔒 100% client‑side · No upload · Privacy guaranteed · Free PDF repair

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