# Can pdfjs.express load fonts that are not installed on a computer, and write annotations with them?

**URL:** <https://pdfjs.community/t/can-pdfjs-express-load-fonts-that-are-not-installed-on-a-computer-and-write-annotations-with-them/3231>\
**Category:** Technical Support\
**Created:** [April 19, 2024, 2:58am UTC](https://pdfjs.community/t/can-pdfjs-express-load-fonts-that-are-not-installed-on-a-computer-and-write-annotations-with-them/3231 "2024-04-19T02:58:12Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![kkim](https://avatars.discourse-cdn.com/v4/letter/k/3ab097/32.png) [@kkim](https://pdfjs.community/u/kkim)\
**Post date:** [April 19, 2024, 5:00pm UTC](https://pdfjs.community/t/can-pdfjs-express-load-fonts-that-are-not-installed-on-a-computer-and-write-annotations-with-them/3231/3 "2024-04-19T17:00:42Z")

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Hi there,

You can use setCustomFontURL API to request font resources:  
[https://pdfjs.express/api/Core.html#.setCustomFontURL\_\_anchor](https://pdfjs.express/api/Core.html#.setCustomFontURL__anchor)

See this forum post for similar issue:

> [@Not reading the font on the PDF](https://pdfjs.community/t/not-reading-the-font-on-the-pdf/2529):
>
> Which product are you using? PDF.js Express Viewer PDF.js Express Version 8.7.0 Detailed description of issue I have a problem with the font on Firefox browser, and on Chrome and Edge it shows an error for the font in the console, but still displays the font correctly. Can I replace the font on browsers that don’t read a certain font to display it with another font and display the text nicely on the PDF?" Expected behaviour To display the text nicely on the PDF, and not showing some chara…

Best regards,  
Kevin Kim

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