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ZenTube, Youtube but better !

Enhance Your YouTube Experience :

Set thumbnails sizes, apply color filters and text opacity

And save time with video transcription tools (coming soon)

Download on the App Store

Why are YouTube thumbnails so big in 2025? How to fix it?

The YouTube Thumbnails Resizer extension allows you to adjust the size of YouTube thumbnails using a slider interface. This helps enhance your browsing experience by making the thumbnails more manageable.

About YouTube Thumbnails Resizer

YouTube Thumbnails Resizer is a Safari extension designed to give you control over the size of YouTube thumbnails. With an intuitive slider interface, you can easily adjust thumbnail sizes to suit your preferences, enhancing your browsing experience.

How It Works

The extension operates entirely locally on your device, ensuring your privacy and security. Here's how it works:

  1. Install the extension from the Safari Extensions gallery.
  2. Enable the extension and refresh your YouTube page.
  3. Use the slider to adjust the thumbnail size to your liking.

Key Features

Slider Interface

Slider Interface

Easily adjust thumbnail sizes with a simple slider. The slider can be moved anywhere on the page for convenience.

Opacity Feature

Opacity Feature

The slider has an opacity of 50% when not hovered over, becoming fully opaque when interacted with.

Local Storage

Local Storage

Your preferences are saved locally, ensuring the extension remembers your settings without transmitting any data.

No Server Interaction

No Server Interaction

The extension does not interact with any external servers, ensuring your data remains private.

Transcription Feature

Transcription Feature (coming soon)

Clicking the "Transcription" button opens a popup with the text generated from the video. A "Copy" button allows you to copy all the text in one click. A "Select" button highlights the entire transcription, allowing you to access Apple's Intelligence tools (summary, key points, table, reformatting, etc.) with a right-click.

Get Started

To start using YouTube Thumbnails Resizer, simply install the extension from the Safari Extensions gallery and follow the on-screen instructions. Enjoy a more personalized YouTube experience today!

Contact Us

If you have any questions or need further assistance, please contact us at laurent.peignault@gmail.com.