Free social media tool

YouTube Thumbnail Preview

Q: What size should a YouTube thumbnail be?

YouTube recommends a 16:9 thumbnail, with 1280 by 720 pixels as the commonly suggested resolution. There is also a file size limit and accepted formats, which are listed in YouTube's help pages. Designing at 16:9 ensures the preview here matches what viewers will see.

Q: Why should I preview the thumbnail in different layouts?

The same thumbnail appears at different sizes on the home feed, in search and on mobile, and next to different amounts of text. A design that works large may be cluttered or unreadable when small. Previewing in several layouts helps you catch these issues before publishing.

Q: How much text should a thumbnail have?

Usually only a few words, if any, because the title already sits next to the thumbnail. Large, high-contrast text is easier to read at small sizes. Let the image and a short phrase add to the title rather than repeat it.

Q: Is this tool free to use?

Yes. Use this tool for free with no credit card required, and create a Plexorin account when you are ready to manage more of your social media work.

Q: How is my information handled?

Some tools process files in your browser. AI tools send the text or image you submit to Plexorin to create a result.

Q: Do I need an account?

You can use this tool without an account. A free Plexorin account helps you plan, publish, and manage social posts in one place.

Upload a thumbnail and enter your video title, channel name, views and date to preview how it looks on YouTube home, search results and mobile lists.

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Free social media tool

YouTube Thumbnail Preview

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File

Drop files here

Video title

Channel name

View count

Published

Upload a 1280 × 720 px (16:9) thumbnail to see it in YouTube layouts.

Home feed

I tried 5 morning routines for a week: here is what worked

Your Channel

12K views • 2 days ago

Search results

I tried 5 morning routines for a week: here is what worked

12K views • 2 days ago

Your Channel

Mobile list

I tried 5 morning routines for a week: here is what worked

Your Channel

12K views • 2 days ago

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Frequently asked questions

What size should a YouTube thumbnail be?

Why should I preview the thumbnail in different layouts?

How much text should a thumbnail have?

Is this tool free to use?

How is my information handled?

Do I need an account?

What customers say about Plexorin

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Plexorin has been a perfect solution for managing our social media accounts. Our team can easily plan content and share it on a recurring basis. Using such a practical tool has significantly sped up our work.

İbrahim Alğan

Medzonia

★★★★★

The AI support from Plexorin really helped us improve our content strategy. We saved time and noticeably increased our social media performance. I highly recommend it to everyone!

Davut Ayfer

Ayfer Soft

★★★★★

The Plexorin team implemented the improvements we needed at incredible speed. Thanks to their attention to user feedback, the platform continuously gets better. Getting such a service is truly amazing!

Mert Y.

Plexorin

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How to use YouTube Thumbnail Preview effectively

This tool previews your YouTube thumbnail in context before you publish. Upload the image and enter the video title, channel name, view count and publish time, and it shows how the video could appear in the home feed, in search results and in a mobile list layout. It runs in your browser and helps YouTubers and designers check readability and contrast at the small sizes where viewers actually decide to click.

Tips for better YouTube Thumbnail Preview results

Look at the smallest preview first, because text that is readable on a large screen can disappear in a mobile list. Check that the thumbnail and title work together instead of repeating the same words, and that the bottom-right corner does not hold anything important, since YouTube shows the video length there. Compare a few thumbnail versions side by side before choosing.