Common reasons why Chrome cannot open PDFs include setting shutdown, extension conflicts, file issues, or browser caches. 1. Check whether the built-in viewer is enabled by chrome://settings/content/pdfDocuments; 2. Try stealth mode to eliminate extension interference such as AdBlock; 3. Refresh the page or open locally after downloading to confirm whether the file is corrupt; 4. Update the Chrome version and clear the cache or reset the settings to resolve compatibility issues.
Chrome can usually open PDF files directly, but sometimes it can't be opened. Common reasons include browser settings issues, extension conflicts, or problems with the file itself.

1. PDF settings are turned off
Chrome has a built-in PDF viewer by default, but this feature may be manually turned off. You can check it out:

- Enter
chrome://settings/content/pdfDocuments
in the address bar - Make sure the option "Open PDF files in Chrome" is enabled
If this switch is turned off, then try opening the PDF after clicking, and it should be displayed normally.
2. Third-party plug-ins or extension interference
Some extensions may conflict with PDF loading mechanisms, such as ad blocking tools or some security plug-ins.

You can try:
- Enter incognito mode (shortcut key Ctrl Shift N) to open the PDF to see if it can be loaded normally
- If that's OK, it's a problem with some extension. Troubleshooting can be disabled one by one
Common conflict plug-ins include AdBlock, uBlock Origin, some download managers, etc.
3. Network or local file path issues
If you click on a PDF link from a web page, it may be that the network loading failed; if it is a local file, it may also be that the path is incorrect or the file is corrupted.
Common phenomena:
- After opening the link, it kept going around, but it didn't respond in the end
- Display "This PDF document cannot be loaded"
Solution:
- Refresh the page and try again
- Download the PDF locally and open it
- Change browser test, such as Edge or Firefox, to confirm whether the file itself is broken
4. Browser version is too old or cached
The Chrome version is too old and may cause PDF functionality to be incompatible. In addition, browser cache may also affect loading.
suggestion:
- Update Chrome to the latest version
- Clear browsing data, especially cached parts
- If necessary, try resetting your browser settings (
chrome://settings/reset
)
Basically these common reasons. In most cases, it can be solved by adjusting the settings or changing the environment. It is not too complicated but it is easy to ignore.
The above is the detailed content of Why won't PDF files open in Chrome. For more information, please follow other related articles on the PHP Chinese website!

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