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TruthLens

TruthLens is a free, open-source browser extension that flags possible AI-generated text, synthetic images, and cloned voices in real time.

Place
#29 of 30
Score
5.6
TruthLens's website

What TruthLens is

TruthLens is a free, open-source browser extension that flags possible AI-generated text, synthetic images, and cloned voices in real time. Text checks examine signals such as burstiness, common-word ratios, phrase fingerprints, and syntactic uniformity. Image checks use pixel-level heuristics and look for known AI image sources including Midjourney, DALL·E, Stable Diffusion, Leonardo, and Ideogram. Audio and video checks examine spectral flatness, silence regularity, and pitch jitter. Clickable warning badges explain the signals behind a flag. Users can rescan with Ctrl+Shift+T or right-click an image for triage. The maker says detection runs on-device, with no uploads, accounts, or tracking. TruthLens is presented as a triage tool rather than forensic proof, and its signals can produce false positives and false negatives. The repository lists Chrome, Edge, Brave, Opera, Arc, and Vivaldi support. Installation involves downloading or cloning the repository and loading it unpacked through the browser’s extensions page. A signed Chrome Web Store release is planned after the public beta.

Good

  • Free forever with no paid tiers
  • Checks text, images, audio, and video
  • On-device detection without uploads
  • Inline explanations for warning signals
  • Supports several Chromium-based browsers

Watch out

  • Signals can create false positives and false negatives
  • It is not forensic proof
  • Installation requires loading an unpacked extension
  • Signed Chrome Web Store release is only planned

Who it suits

TruthLens suits journalists, teachers, researchers, parents, voters, and recruiters who want browser-based triage of potentially synthetic text, images, audio, or video. It is for users comfortable installing an unpacked Chromium extension.

Verdict

TruthLens offers broad, privacy-focused browser triage across several media types at no cost. Its experimental detection signals and unpacked installation mean results should be treated as indicators, not definitive judgments.

Plans and prices

From TruthLens's own pricing page, checked 4 Oct 2026.

All about pricing
PlanPriceWhat it gives you
TruthLensFreeNo paid tiers stated · Free forever; no subscription

The facts

Each one read from TruthLens's own pages, with the date it was checked.

What it does

Accuracy limitation
The maker describes TruthLens as a triage tool rather than forensic proof, and says its signals can produce false positives and false negatives.checked 4 Oct 2026
Audience
The maker names journalists, teachers, researchers, parents, voters, and recruiters as intended users.checked 4 Oct 2026
Audio detection
Audio and video elements are checked for spectral flatness, silence regularity, and pitch jitter.checked 4 Oct 2026
Image detection
Image detection uses pixel-level heuristics and checks known AI image sources including Midjourney, DALL·E, Stable Diffusion, Leonardo, and Ideogram.checked 4 Oct 2026
Installation
Installation is described through cloning or downloading the repository and loading it unpacked in the browser's extensions page.checked 4 Oct 2026
License
TruthLens is open-source under the MIT license.checked 4 Oct 2026
Privacy
The maker says detection runs on-device, data is not uploaded, and there are no accounts or tracking.checked 4 Oct 2026
Product
TruthLens is a free, open-source browser extension that flags AI-generated text, synthetic images, and cloned voices in real time.checked 4 Oct 2026
Release status
A signed Chrome Web Store release is listed as planned after the public beta.checked 4 Oct 2026
Scanning controls
Users can rescan with Ctrl+Shift+T and right-click an image to triage it.checked 4 Oct 2026
Text detection
Text checks use signals including burstiness, common-word ratio, phrase fingerprints, and syntactic uniformity.checked 4 Oct 2026

Where it runs

Browser support
The repository says it works with Chrome, Edge, Brave, Opera, Arc, and Vivaldi, which are Chromium-based browsers.checked 4 Oct 2026

Money

Inline explanations
Inline warning badges can be clicked to show the signals behind a flag.checked 4 Oct 2026

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