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Repair a Corrupt or Damaged PDF

Upload a PDF that won't open and recover as many pages as possible -- one file or a whole batch, entirely in your browser.

Your damaged PDFs are analyzed and repaired on your device and are not uploaded to ToolsFA.

Add your damaged PDFs

Drop corrupt or damaged PDFs here

or choose files from your phone or computer -- even ones that won't currently open

Up to 20 files • 150.00 MB each • processed on your device

PDF repair guide

How to fix a corrupt PDF

1. Add the damaged file

Drop in one PDF or a whole batch of files that fail to open, are missing pages, or won't render correctly.

2. Let it analyze and rebuild

The tool reads what it can, rebuilds the file's structure from the surviving data, and recovers pages one at a time.

3. Download what's recovered

Get each repaired file individually, or every file at once as a single ZIP -- with a clear note on any pages that couldn't be saved.

Built for the most common cause of damage

Most "corrupt PDF" errors happen because the file was cut off before it finished saving, downloading or uploading -- which damages the cross-reference table and trailer at the very end of the file while leaving the pages themselves intact. This tool rebuilds that missing structure from whatever data survived, which is often enough to recover the entire document.

Page-by-page recovery

Rather than an all-or-nothing fix, each page is recovered individually. If most of a file is intact but a handful of pages are too damaged, you still get every other page back -- with a plain list of exactly which pages, if any, couldn't be saved.

Batch repair with a one-click ZIP

Add up to 20 damaged files at once. Each is analyzed and repaired independently, and once more than one is fixed you can download every recovered file together as a single ZIP instead of one at a time.

Honest results, not fake fixes

If a file truly can't be recovered -- because it isn't a PDF, or its content is genuinely destroyed -- the tool says so plainly instead of handing back a file that looks repaired but silently contains broken or missing pages.

Important: some damage can't be undone

No repair tool -- this one included -- can recreate data that no longer exists anywhere in the file. If a specific page's content was overwritten or destroyed, that page can't be recovered. Password-protected PDFs also can't be repaired until the password is removed, since their content can't be read without it.

Questions and answers

Frequently asked questions about repairing PDFs

Is the ToolsFA PDF repair tool free?

Yes. Repairing and downloading recovered PDFs costs nothing and doesn't require an account.

What kinds of PDF damage can this fix?

It's strongest against files that were cut off mid-download, mid-upload or mid-save -- the most common cause of a PDF that suddenly "won't open." It rebuilds the file's cross-reference table from whatever data survived and recovers pages individually, so a few damaged pages don't block the rest of the file.

Will I get 100% of my file back?

Often, yes -- for files with an intact page but a broken cross-reference table or trailer, recovery is typically complete. If the content of a specific page was itself overwritten or destroyed, that page can't be recovered, but every other readable page still will be, and the tool tells you exactly which pages (if any) were lost.

Can I repair more than one PDF at once?

Yes. Add up to 20 files at a time, each is analyzed and repaired independently, and you can download them one by one or all together as a single ZIP file.

Does ToolsFA upload my damaged PDFs anywhere?

No. Every file is read, analyzed and repaired inside your browser. Damaged files, which can contain sensitive documents, are never sent to ToolsFA or anyone else.

Can this repair a password-protected PDF?

No. An encrypted file's content can't be read without its password, so it can't be repaired until the password is removed. ToolsFA detects this and tells you rather than producing a broken result.

What if the file isn't a PDF at all, or is completely destroyed?

The tool tells you plainly when a file can't be recovered at all, rather than handing back something that looks fixed but isn't. No repair tool can recreate data that no longer exists anywhere in the file.

Will the repaired PDF look different from the original?

No. Pages that are recovered are copied as-is -- same text, fonts, images and layout. Nothing is re-rendered, resized or recompressed.