| What it does | AI fact-check with a 1–10 score, claim-by-claim findings, and sources across browsers and apps
| Free AI browser extension for Chrome and Firefox
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| US
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| Pricing model | Free
| Free
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| Pricing | Free to use; users bring their own API keys and are billed directly by Google, Anthropic, or OpenAI for model usage.
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| Key features | - Chrome and Firefox browser extensions
- iPhone and Mac apps with Share Extension for analyzing text from Safari or any app
- Android app on Google Play
- 1–10 credibility score with short verdict
- Claim-by-claim findings with verified, partially verified, unverified, or false/misleading labels
- Source links from web grounding citations
- Optional Media Bias/Fact Check publisher rating
- Results in the same language as the page when possible
- On-device Gemini Nano for local analysis on Chrome
- Bring your own API key for Gemini, Claude, or OpenAI models
| - Doubleslash shortcut for writing and research anywhere
- AI-powered Gmail research to look up email senders
- Chat with any website to summarize and extract information
- Save links, posts, podcasts and videos to Stash
- MCP integration with AI agents like Claude and ChatGPT
- Works on Chrome and Firefox desktop browsers
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| What makes it different | - Works across multiple platforms as both browser extensions and native mobile apps
- Bring-your-own-key model with no account required
- On-device analysis option with Gemini Nano on Chrome keeps text private
- Claims grounded in live web search or model training knowledge with source citations
- Multilingual results matching the page language
| - Free to install and use with no payment required
- Operates directly in your browser without a separate app
- User maintains full control over what is shared and sent
- Integrates with existing AI agents through MCP protocol
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 28 ● no change since last check | 31 ● no change since last check |
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| Trust Flow (Majestic) | 2 | 0 |
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| Citation Flow (Majestic) | 22 | 23 |
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| Referring domains (Majestic) | 30 | 23 |
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Credibility Analyzer
Multify