PDF Downloaded but Won’t Open? 7 Ways to Fix a PDF

A PDF can finish downloading and still fail to open. The cause may be a damaged file, incomplete download, unsupported viewer, or an incorrect file extension.

Try these fixes

1. Download the PDF again.
2. Check that the filename ends in .pdf.
3. Try another PDF reader or browser.
4. Check whether the original website provides a fresh copy.
5. If the file came from a URL, verify that the URL actually points to a PDF.

How to identify the likely cause

• The file is unusually small: the download may have stopped early. Compare its size with any size listed by the source and download it again.
• The browser shows an error page: the saved file may be an HTML error page rather than a PDF. Return to the original page and use its actual download link.
• Only one viewer fails: try a trusted, up-to-date browser or PDF reader. If the document is password-protected, use the password supplied by its owner.
• The file opens but pages are missing: request a fresh copy from the sender or download it again from the authorized source.

Protect your device and documents

Do not rename a file to .pdf and assume that makes it a valid PDF. Avoid unexpected attachments and do not upload confidential documents to an online converter unless you have reviewed its privacy and file-retention terms.

If you need to download a PDF directly from a URL, see How to Download a PDF from a URL. You can also browse the PDF Tools hub for conversion and document tasks.