| What it does | AI fact-check with a 1–10 score, claim-by-claim findings, and sources across browsers and apps
| Your open tabs, grouped, on every new tab
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Open source
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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.
| Free, under the AGPL-3.0-or-later licence. No paid plans, trials or cards.
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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
| - Shows open tabs from every window grouped by site
- Close all tabs from a site in one click
- Close duplicate tabs in one press
- Merge windows into one
- Customizable briefing with news topics, markets, weather, calendar and to-do list
- Optional end-to-end encrypted sync between browsers
- No account required
- Instantly loads with no network requests on tab open
- Automatic stale new tab page closing
- Works completely offline after initial configuration
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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
| - Only tab manager that shows actual open tabs on the new tab page itself
- Completely private by design with no account, no tracking and no server storage
- Zero network delay when opening new tabs
- Optional sync is end-to-end encrypted so the server never sees your data
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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 | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 2 | 0 |
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| Citation Flow (Majestic) | 22 | 13 |
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| Referring domains (Majestic) | 30 | 3 |
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Credibility Analyzer
OpenTabs