Free Fact Checker ✓

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

Source rating 5.0 (1) 674 views 15 saves Free

Verdict

A quick read before you dig into the full page.

Best if

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

Skip if

Limited to 20 checks/day

Pick this when

Chrome extension

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Overview

Socials:

Fact Check your AI
Fact Check your News

LLMs lie. People lie. The Free Fact Checker is a Chrome extension that enables you to instantly fact-check ChatGPT, Gemini, Claude, social media and your news using Google Search.

HOW IT WORKS
1 Highlight Text
Select text in an AI chat or on a web page and then use the right-click menu, keyboard shortcut, or press the toolbar icon to trigger a fact check.

2 Google Search Grounding
Your text is sent to Google Gemini, which finds real data about it using Google Search through a process called grounding.

3 Get Cited Results
You get a fact-check with citations and sources. You will never get an AI's opinion — only answers grounded in Google Search.

GET STARTED
1 Install the Extension
Add the Free Fact Checker from the Chrome Web Store. Works in Chrome, Edge, Brave, Vivaldi, Arc, Opera and any Chromium-based browser. You can also download and install the source code from GitHub.

2 Get a Free Gemini API Key
Get your free API key from Google AI Studio. It takes about a minute.

3 Add Your Key
Open the extension settings and paste in your API key. It will be verified automatically.

4 Start Fact Checking
Highlight any statement in an AI chat or on any webpage and use the right-click menu, keyboard shortcut, or press the toolbar icon to trigger a fact check. That's it!

Works Everywhere: Chatgpt, Gemini, Claude, Facebook, X, Instagram, Bluesky, Reddit, Pdfs, Google Docs & Slides, News Sites — Any Page Where You Can Highlight Text.
Grounded In Search: Results Come From Google Search, Not Ai Opinion. If No Data Can Be Found, It Will Tell You Instead Of Making Something Up.
100% Free: The Extension Is Free. Google Lets You Make 20 Grounding Requests Per Day With A Free Gemini Api Key.
No Login Required: The Extension Does Not Require You To Log In. You Can Use It Immediately After Installing And Adding Your Api Key.
No Tracking: Your Queries Go Directly From Your Browser To Google's Gemini Api Using Your Own Key. There Is No Tracking Or Analytics.

Access & connections

Where you can use Free Fact Checker, and what it plugs into.

Capabilities

What this tool accepts, produces, and is strongest at.

Input

Text

Output

Text

Highlights

No Signup
Open Source

Supported features

No Signup
Open Source

Pros & cons

Pros

Chrome extension
Uses Google Search
Uses Gemini API
Works on many platforms
Checks online documents
Fact-checks social media
User informed if no data
No user login needed

Show 38 more

Respects user privacy
No tracking or analytics
Queries directly from browser
Can be used to check own writing
Compatible with Chromium-based browsers
Open source on GitHub
Prevents misinformation spread
Fact-checks news sites
Works with PDF content
Compatible with Google Docs
Compatible with Google Slides
No fabricated information
Simple setup process
Reliable search results
Checks accuracy of own writing
Community driven tool
Free Gemini API Key usage
Designed for desktop usage
No Data fabrication
Checks multiple web platforms
Reports when no data found
Doesn't require user login
Privacy focused tool
Queries go directly to Gemini
Results based on Google Search
Immediate usability post installation
Extension respects user privacy
Direct browser to API queries
Check one's own writing
Community guided tool
Optimized for Chromium browsers
Works on social media
Operates on news sites
No login required
No analytics or tracking
Accessible source code
Protection against misinformation
Useful in digital era

Cons

Only works on desktop
Requires Gemini API Key
Limited to 20 checks/day
No mobile interface support
Doesn't work in all countries
Doesn't fabricate missing data
No user usage data
Doesn't support whole page fact-check

Show 2 more

Relies on Google Search accuracy
Doesn't work without API Key

FAQ 12

What's the main purpose of the Free Fact Checker extension?

The main purpose of the Free Fact Checker extension is to assist users in verifying information online in an efficient and reliable way. It allows easy fact checking of any text on a web page using Google Search and Gemini API.

How does the Free Fact Checker verify information?

Free Fact Checker verifies information by allowing users to highlight any text on a webpage, which is then fact-checked using Google Search and Gemini API, providing grounded, factual results instead of AI-generated responses.

Why does Free Fact Checker use Google Search and Gemini API over AI responses?

Free Fact Checker uses Google Search and Gemini API over AI responses to provide more accurate and reliable results. AI-generated responses can sometimes create baseless assumptions or inferences, hence this fact-checking tool grounds the checks in Google Search data, ensuring the provided information is factual and relevant.

Can the Free Fact Checker be used on all web pages?

Yes, the Free Fact Checker can be used on all web pages. It is not limited to specific platforms and can be utilized wherever text can be highlighted.

Can Free Fact Checker work on social media platforms?

Yes, the Free Fact Checker can work on social media platforms. It works on any web page where text can be highlighted, including various social media sites.

Do I need to login to use the Free Fact Checker?

No, you do not need to login to use the Free Fact Checker. It ensures immediate usability without requiring user login.

Does the Free Fact Checker keep track of my searches?

No, the Free Fact Checker does not keep track of your searches. It respects user privacy and does not involve any tracking or analytics. All queries go directly from your browser to Google's Gemini API.

Is the Free Fact Checker available for mobile browsers?

No, the Free Fact Checker is not available for mobile browsers. The extension is designed to work with all Chromium-based browsers but does not support mobile interfaces.

Can the extension help me check the accuracy of my own writing?

Yes, the extension can help you check the accuracy of your own writing. Any text in your writing can be highlighted for an instant fact-check to ensure its accuracy.

How does the Free Fact Checker respect user privacy?

Free Fact Checker respects user privacy by not involving any tracking or analytics. All queries are directed straight from the user's browser to Google's Gemini API, without any data being stored or tracked.

Is this tool free-to-use?

Yes, this tool is free-to-use. It does not require payment or subscriptions.

What does it mean that Free Fact Checker is a community-guided tool?

When it is stated that the Free Fact Checker is a community-guided tool, it implies that it invites and accepts contributions from the community to improve the tool. Its source code is available on GitHub, allowing users to contribute, enhance and adapt the tool.

Free Fact Checker ✓

Verdict

Overview

Access & connections

Platforms

Integrations

API