Fact-Check Any Text on the Web Instantly

Verify information without leaving your current webpage using the power of AI and the Perplexity API.

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example.com

The Earth is flat and supported by four elephants standing on a giant turtle.

Faktencheck Results
Truth Score:
5%

Fact Check Summary:

This statement is false. Scientific evidence conclusively shows that the Earth is an oblate spheroid (a sphere slightly flattened at the poles). The "flat Earth supported by elephants" is a mythological concept, not a scientific fact.

Sources:

Key Features

Instant Fact-Checking

Fact-check any selected text on any webpage with just a right-click.

Truth Percentage

Get a clear truth score for the selected statement based on reliable sources.

Concise Summaries

Receive a concise fact-check summary that explains the accuracy of the statement.

Multilingual Support

Works in the language of your selected text for global fact-checking.

Source References

Access clickable links to sources for further reading and verification.

How It Works

1

Select Text

Highlight any text on a webpage that you want to fact-check.

Select text illustration
2

Right-Click

Right-click and select "Fact check with AI" from the context menu.

Right-click illustration
3

View Results

A popup will display the fact-check results, including truth percentage, summary, and sources.

View results illustration

🚀 Coming Soon! 🚀

We're putting the finishing touches on Faktencheck. Enter your email to be notified when we launch!

Easy Installation

Download

The extension will be available soon in the Chrome Web Store.

Coming Soon

API Key

Enter your Perplexity API key in the extension settings.

Available after release

Test

Verify your API key is working with the "Test API Key" button.

Start Using

Begin fact-checking any text across the web instantly.

Frequently Asked Questions

Do I need an API key to use Faktencheck?

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Yes, you need a Perplexity API key to use Faktencheck. You can obtain one from the Perplexity website and enter it in the extension settings.

How accurate is the fact-checking?

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Faktencheck uses the sonar-reasoning-pro model from Perplexity for high-quality fact-checking. While it's highly accurate, we recommend verifying critical information through multiple sources.

Does it work in languages other than English?

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Yes, Faktencheck supports multiple languages and automatically detects and responds in the language of your selected text.

How can I monitor my API usage?

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You can monitor your API usage through your Perplexity account dashboard. We recommend focusing on shorter, specific statements for the most efficient use of your API credits.

What if the fact-check fails?

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If a fact-check fails, check your API key validity and ensure you haven't exceeded your API credits.

Is my data secure?

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Your API key is stored locally on your device and is never shared with our servers. The text you fact-check is sent directly to Perplexity's API for processing.

Excited to Start Fact-Checking?

Faktencheck is coming soon to Chrome! Sign up to be notified when it's released.

Coming Soon - Stay Tuned