Question 1

What LLMs does it work with?

Accepted Answer

The Free Fact Checker works with ChatGPT, Gemini, Claude, and any other LLM that you chat with in a browser.

Question 2

What sites does it work on?

Accepted Answer

The Free Fact Checker works on any site where you can highlight text in a browser. Try it on Facebook, X (Twitter), YouTube, Instagram, Bluesky, Reddit, and major news sites.

Question 3

What permissions does it require?

Accepted Answer

The Free Fact Checker requires permission to read and change data on the website https://generativelanguage.googleapis.com. This is the URL for the Google Gemini server that the Free Fact Checker calls when you trigger it.

Question 4

Why should I use this?

Accepted Answer

LLMs lie. People lie. It's hard to know what to believe online. Manually verifying everything is basically impossible. The Free Fact Checker makes that quicker and easier by grounding every check in Google Search results.

Question 5

Can I trust this?

Accepted Answer

The Free Fact Checker uses Google Search to find information. To the degree that you trust Google Search, you can trust this. It will never give you an AI's opinion — only search-grounded answers. You should always look at the citations to see if they're trustworthy.

Question 6

Is it really free?

Accepted Answer

Yes. The extension is free and you can get a free Gemini API Key from Google. Google lets you make 20 grounding requests per day on the free plan. If you want more requests per day or want to use a different Gemini model, you will need to set up billing in AI Studio.

Free Fact Checker

Instantly fact-check any AI chat or text on the internet.

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FAQ

What LLMs does it work with?

What sites does it work on?

What permissions does it require?

Why should I use this?

Can I trust this?

Is it really free?

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