b2KIT

Thumbnail Preview Tool

Preview how thumbnails and OG images will appear on YouTube, social platforms, and search engine results.

How to Use Thumbnail Preview Tool

  1. 1

    Upload your image

    Select the image to preview as a YouTube or video thumbnail.

  2. 2

    Add title text

    Type the video title to see how it appears with the thumbnail.

  3. 3

    Preview in context

    See how the thumbnail looks in a search result or feed.

Related Tools

Link Shortener with Analytics

Shorten URLs with local redirect tracking via localStorage. See click counts and generate a QR code for each link.

UTM Link Builder & Tracker

Build UTM-tagged URLs for campaign tracking with source, medium, campaign, term, and content parameters.

A/B Headline Tester

Enter 2+ headlines and see simulated previews in Google results, email subject lines, and social posts side-by-side.

Tweet / Post Character Counter

Count characters for Twitter/X, LinkedIn, Facebook, and Instagram with platform-specific limits and warnings.

Click-Through Rate Calculator

Calculate click-through rates from impressions and clicks with industry benchmarks and trend analysis.

Email Subject Line Length Checker

Check email subject line length against best practices for desktop and mobile with preview text optimization.