# Using onebox images for topic thumbnails

**URL:** <https://meta.discourse.org/t/using-onebox-images-for-topic-thumbnails/165713>\
**Category:** Development\
**Created:** [September 29, 2020, 8:41am UTC](https://meta.discourse.org/t/using-onebox-images-for-topic-thumbnails/165713 "2020-09-29T08:41:16Z")\
**Posts on this page:** 1\
**Showing post:** 1

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**Author:** ![Terrapop](https://avatars.discourse-cdn.com/v4/letter/t/ecd19e/32.png) [@Terrapop](https://meta.discourse.org/u/Terrapop)\
**Post date:** [September 29, 2020, 8:41am UTC](https://meta.discourse.org/t/using-onebox-images-for-topic-thumbnails/165713/1 "2020-09-29T08:41:16Z")

</div>

Why does the API often fail to create thumbnails although big enough images are downloaded?

Example, if you paste this in an opening post…

> **[Legal experts are freaking out about Bill Barr’s actions to help Trump win -...](https://www.salon.com/2020/09/26/legal-experts-are-freaking-out-about-bill-barrs-actions-to-help-trump-win_partner/)**
>
> "The attorney general is a threat to American citizens having free and fair access to the vote"

This onebox downloads a large enough image with dimensions of 690 x 465:

 ![image](https://global.discourse-cdn.com/meta/original/3X/6/8/6894f34a10d134eb5590b67e4d1fa06e161d917f.png)

Still, no thumbnail created for the topic.

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_[View the full topic](https://meta.discourse.org/t/using-onebox-images-for-topic-thumbnails/165713)._