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Legitimeter

Know what's real before you react.

Legitimeter labels bots, coordinated accounts and AI-generated images right on the pages you already browse, and shows you the evidence behind every label.

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Legitimeter labelling a social feedThree posts in a feed. The first is labelled Likely human, the second Likely automated with evidence, the third shows an image marked Likely AI-generated. Likely human Likely automatedWhy: posts every 4 min, 24/7 - 37 near-identical replies Likely AI-generated imageChecked on your device. Tap a label for evidence.

Built for a feed full of fakes

Automation and synthetic media are cheap. Telling them apart shouldn't take an investigation.

Bot and automation labels

See which accounts and replies behave like automation, right next to the post, with the evidence behind every label.

AI image detection

Images in your feed are checked on your device and marked when they are likely AI-generated.

Fact-check context

Claims you are reading get context and source pointers so you can judge them yourself, without leaving the page.

Coordinated activity

Spot clusters of accounts pushing the same message at the same time, the signature of manufactured trends.

Private by design

Analysis runs on what your browser already received. What can stay on your device stays there; sharing is opt-in.

You stay in control

Choose what gets labelled, hide what you don't want to see, and dispute any label you think is wrong.

How it works

  1. Install

    Add Legitimeter to your browser. No account required.

  2. Browse as usual

    It checks what your browser already loaded, on your device.

  3. See the label

    Labels appear next to accounts, posts and images, each with its evidence.

More on how it works

Private by architecture

Legitimeter never crawls, never logs in as you and never reads your private messages. It analyses only what you already see, and sharing anything with the network is your choice.

Read the Privacy Policy

Start free

The full extension is free for personal use. Paid plans add API access and exports.