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What is that?

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Overview

Explains mysterious things on the page.

Have you ever stumbled upon a complex term, an unknown concept, or a foreign phrase while browsing the web and wished you could instantly know what it is? "What IS THAT?" is your ultimate AI-powered reading companion! Instead of opening a new tab and breaking your focus, simply highlight any text on any webpage, right-click, and select "What IS THAT?". A beautiful, non-intrusive floating window will instantly appear right next to your cursor, explaining the text using the most powerful AI models in the world. 🚀 26 AI PROVIDERS SUPPORTED Why limit yourself to just one AI? We support an unprecedented 26 different AI providers! Whether you prefer the industry's leading cloud-based models or local offline AI solutions, you have the freedom to choose the perfect assistant that fits your needs. ✨ INCREDIBLE FEATURES Smart Stacking UI: Pin multiple explanations on your screen. They stack neatly underneath each other without overlapping! Intelligent Auto-Fetch: Enter your API key and the extension automatically fetches the latest available models for your chosen provider. Just type to search your model! Markdown Support: Code blocks, bold text, and lists are formatted perfectly in the results. 🔒 100% PRIVATE & SECURE (BRING YOUR OWN KEY) Your API keys are saved securely and locally in your own browser's storage. We do not use any intermediary servers, tracking scripts, or databases. Your request is sent directly and securely to the AI provider you select. Say goodbye to confusion and supercharge your web browsing experience today!

Details

  • Version
    1.0
  • Updated
    June 23, 2026
  • Size
    840KiB
  • Languages
    English
  • Developer
    Email
    alperugurcan@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization

What is that? has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.

What is that? handles the following:

Authentication information
Website content

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site

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