Repair PDF Online

Try to rescue a damaged or corrupt PDF that will not open or shows errors. The tool rebuilds the file structure and recovers every page it can still read, right in your browser.

Free
No signup
Nothing uploaded
No watermark

Drop a file here

PDF file · read on your device, never uploaded

Recovers what can still be read. A file whose damage has destroyed the page content itself cannot be brought back by any tool.

Processed entirely on your device. Nothing was uploaded.

How to Repair a Corrupted PDF File

A PDF can break when a download stops halfway, an email attachment is mangled, a USB stick is pulled out too early or a program crashes while saving. The reader then complains the file is damaged, or opens it with blank pages.

Very often the page content is fine and only the file’s internal index is broken. This tool reads the file in a forgiving way, rebuilds that structure and saves a fresh copy. If the whole document cannot be rebuilt in one go, it copies the pages across one at a time and skips any that are beyond saving.

There are no settings to learn. Choose the file, press the button and see how many pages came back. The repair runs on your own device, so a damaged contract or statement never has to be sent to a stranger’s server.

No software to install Free Works on any device

Steps to Fix a Broken PDF

Four steps, with nothing to configure.

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1. Choose the damaged PDF

Select the file that will not open. If the tool can read it, the name, page count and size appear. If not, you can still go ahead.
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2. Press Repair PDF

The tool first tries to rebuild the whole document at once, which keeps everything intact. If that fails, it recovers pages one by one and shows its progress.
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3. Read the result

A message tells you how many pages were recovered and shows the size before and after. If nothing could be read at all, the tool explains that in plain words and hands you no broken download.
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4. Open the repaired copy

The repaired file downloads with "-repaired" in its name. Open it, page through it, and compare it with what you expected before deleting any older copy.
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5. Carry on with other tools

Once the repaired copy opens, you can compress, merge, sign or split it here like any healthy PDF. Keep the damaged original until you are sure nothing is missing.

No .pdf file to hand? Download a sample PDF file (6.3 KB) and try it.

Try it now

What Does PDF Repair Do?

Every PDF has a table near its end that tells a reader where each page, font and picture sits inside the file. When a file is cut short or altered, that table points to the wrong places and readers give up, even though most of the content is still there.

Repair means reading the file without trusting the damaged table, finding the pages that are still whole, and writing them into a new, correctly organised PDF. It cannot invent content that was never saved or that was overwritten, so a badly cut file may come back with fewer pages.

Repaired PDF

.PDF

A freshly organised copy containing every page that could still be read.

Common causes of damage

Interrupted downloads
Broken email attachments
Faulty USB drives and cards
Crashes while saving
Files damaged in transfer
Badly written exports

Why Repair a PDF Instead of Starting Over?

The original may be gone, the sender may be unreachable, or recreating the document would take hours. Recovering what is still readable is often the fastest way back to a usable file.

“A file that will not open is not always a file that is lost.”

Get back pages you thought were lost
A file that opens cleanly again
Private files stay on your device
A clear count of recovered pages

Faster than recreating the document
No need to ask for a resend
Partial rescue when full repair fails
Free to try

Popular Uses for Repair PDF

The situations where people try a repair first.

Half-finished downloads Recover what arrived when a large PDF download was cut off.
Email attachments Fix a PDF that a mail program saved incorrectly.
Old backups Rescue documents from an ageing drive or memory card.
Bank and tax statements Open a statement that the bank portal delivered damaged.
Study material Recover lecture notes or e-books that suddenly stopped opening.
Upload rejections Rebuild a PDF that a government or exam portal says is invalid.
Crashed exports Save what is left after a program crashed while writing the file.
Before other tools Repair first when merging or compressing reports a broken file.

PDF Repair Features

Two recovery attempts, from the gentlest to the most determined.

Rebuild

Whole-file rebuild

Rewrites the document with a fresh internal index, keeping every page and setting it can.

Rescue

Page-by-page recovery

If the rebuild fails, pages are copied one at a time and unreadable ones are skipped.

Report

Recovered page count

You see how many pages came back, so you know at once whether anything is missing.

Size

Before and after size

The result shows the original and repaired sizes side by side.

Honest

Clear failure messages

When a file cannot be read at all, the tool says so instead of handing you another broken file.

Simple

No settings

One button. There is nothing to choose and nothing to get wrong.

Why Use ToolXkit to Repair PDFs?

No upload

Damaged files are often important ones. This repair runs locally, so nobody else receives a copy.

PDF Repair for Different Users

Students

Recover notes, e-books and assignments that stopped opening.

Office workers

Rescue reports and contracts damaged in email or on a shared drive.

Account holders

Fix statements and receipts downloaded from bank portals.

Applicants

Rebuild a PDF that an online portal will not accept.

Archivists

Recover what is readable from old backups and discs.

Home users

Save family documents from a failing USB stick.

Best Times to Try PDF Repair

Try a repair when:

A reader says the file is damaged
Pages open blank or partly drawn
A download stopped before it finished
A portal rejects the PDF as invalid
Another PDF tool reports a broken structure
A file was copied from a faulty drive
An attachment will not open
A program crashed while saving

Tips for Recovering Damaged PDFs

If the file came from a website or email, try downloading it again first. A fresh copy is better than any repair.
Keep the damaged original. Different tools can recover different things, so do not delete it after one try.
Compare the recovered page count with the number of pages you expected.
Password-locked files should go through Unlock PDF before you attempt a repair.
A file of only a few kilobytes that should be much bigger is probably cut short. Missing pages cannot be rebuilt from nothing.
Once repaired, the copy works normally in Merge, Compress and the other PDF tools.

Frequently Asked Questions

Answers to common questions about this tool.

Can every corrupt PDF be repaired?

No. The tool fixes damage to the file’s structure, which is the most common kind. If the page content itself was lost, overwritten or never saved, no tool can bring it back. You will be told how many pages were recovered.

Why does my PDF say it is damaged?

Usually the internal index that locates each page is broken, most often after an interrupted download, a failed save or a bad copy. The pages themselves are frequently still intact, which is why repair often works.

Some pages are missing after the repair. Why?

Those pages could not be read, so they were skipped rather than stopping the whole rescue. This happens when a file was cut short. If you can get the original again, download or copy it once more.

Will the repaired file look the same?

Pages that are recovered keep their text, pictures and layout as they were. The file may be a slightly different size because its structure has been rewritten.

What does "damaged beyond what can be repaired" mean?

The tool could not find a readable PDF structure at all. The file may not be a real PDF, may be almost empty, or may be too badly damaged. Check the file size and try getting a fresh copy.

Can it repair a password-protected PDF?

Take the lock off first: open Unlock PDF, type the password you were given, download the open copy, then bring that copy here for repair.

Can I repair a PDF on my phone?

Yes. A damaged attachment saved on a phone can be fixed right there: open this page in the mobile browser, select the file and press Repair PDF.

Is my file uploaded for repair?

No. The rebuild is carried out by the browser tab itself, so a broken contract or statement is not shared with anyone during the rescue.

Is there a size limit?

There is no fixed limit. Larger files need more memory, so very big documents are handled best on a computer.

Is Repair PDF free?

Yes. Every repair attempt is free, you do not need an account, and the pages that come back are exactly as they were, with nothing added.

How much smaller will my PDF get?

It depends on what is inside. PDFs full of photos or scans often shrink a lot, while files that are mostly text are already small and change little. The compressor never hands back a file larger than the one you gave it.

Will compressing reduce the quality?

Pictures inside the PDF are made lighter, so very close zooming may show a little softness. Text stays sharp because it is not an image. For exam portals, pick the target size the form asks for and check the result before uploading.

Does Repair PDF work on a phone?

It does. Open the page in your phone’s browser, pick the file from your downloads or files app and save the result. Heavy scans can take longer because a phone has less memory than a laptop.

Can text recognition read handwriting?

OCR works best on clear, printed text in a good scan. Handwriting, faded copies and very small print are often read with mistakes, so check names and numbers in the result before relying on them.

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