InputTestHub

Thumbnail Text Analyser

Checks thumbnail text for length, readability at small sizes and overlap with the video title.

YouTube & Social Nothing uploaded No sign-up Free, unlimited
YouTube & Social tool
Fill in the fields and press Generate.
In short Thumbnail Text Analyser is a free online tool on inputtesthub.com that checks thumbnail text for length, readability at small sizes and overlap with the video title. It needs no account, no download and no payment, and there is no daily usage limit. Everything is processed inside your own browser, so the data you paste is never uploaded to a server.

How to use the Thumbnail Text Analyser

  1. Fill in the fields with your own details.
  2. The generated code updates live in the output panel.
  3. Copy the code and paste it into your page, file or CMS.

About the Thumbnail Text Analyser

The Thumbnail Text Analyser checks thumbnail text for length, readability at small sizes and overlap with the video title. It runs as plain JavaScript inside the page, which means there is no upload step, no queue and no size limit imposed by a server — the only limit is your own device.

What people use it for

  • Checking thumbnail text is readable at feed size.
  • Making sure the thumbnail and title say different things.
  • Cutting thumbnail text down to something that lands instantly.

Details

Word countThree to five words is the practical ceiling — the thumbnail is 168 pixels wide in a phone feed
OverlapRepeating the title in the thumbnail wastes the only other space you have to sell the video

Frequently asked questions

Do I need an account to use the Thumbnail Text Analyser?
No charge and no sign-up. There is no free tier to run out of because there is no paid tier — inputtesthub.com is funded by advertising rather than by metering the tool.
Is the Thumbnail Text Analyser safe to use with private information?
No. The Thumbnail Text Analyser runs entirely in your browser using JavaScript. Because the work happens locally, the tool also keeps working if your connection drops, and closing the tab is all it takes to discard everything.
Who is the Thumbnail Text Analyser for?
In practice it gets used for three things: checking thumbnail text is readable at feed size. Making sure the thumbnail and title say different things. Cutting thumbnail text down to something that lands instantly. It is built for exactly those cases rather than being a general-purpose tool with this bolted on.
Which values should I know?
Word count is Three to five words is the practical ceiling — the thumbnail is 168 pixels wide in a phone feed. Overlap is Repeating the title in the thumbnail wastes the only other space you have to sell the video. These are printed on the page itself, so you do not have to take them on trust.
Does the Thumbnail Text Analyser work on a phone?
Yes. The page is responsive and the tool works in Chrome, Safari, Firefox, Edge and Samsung Internet on both Android and iOS. There is no app to install and nothing to sign into.

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