Heartbeat

Check an image for Content Credentials and AI-generation signals. Free · no signup · nothing stored — credential checks run entirely in your browser.

Drop an image here, or tap to choose

JPEG, PNG, WebP, AVIF · stays on your device for the credential check

If you run detection, the image is sent once to our detection provider and immediately discarded. Nothing is logged, kept, or linked to you.

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Content Credential

AI-generation estimate

How this works (and honest limits)

Content Credentials are cryptographic provenance records (the C2PA standard) attached by participating tools — recent OpenAI and Google image tools sign their output, as do Adobe apps and some cameras. We read them entirely in your browser using the Content Authenticity Initiative's open-source verifier. A valid credential is the strongest signal this tool can give you.

Detection is a statistical model (via Sightengine) scoring visual artifacts of generation. It is genuinely useful and genuinely fallible: compressed, filtered, screenshotted, or edited real photos can score high; novel generators can score low. That's why results show ranges, why "inconclusive" fires often, and why we require very strong scores before saying "signs of AI."

Why trust the "nothing stored" claim? Credential checks never leave your device (verifiable in this page's source — it's one file). For detection, the image passes through one stateless function to the detector and is discarded; we run no database and no analytics that see your images.

Why no verdicts? Because a false "this is AI" about a real person's photo does real harm, and no current technology can rule it out. Evidence, not verdicts, is the design.

What this tool can and can't tell you. A Content Credential proves where a file came from — not whether what it shows is true. A detection score is a statistical guess that can be wrong in both directions, especially on compressed, filtered, or screenshotted photos. Treat every result here as evidence, never as a verdict about a person or an image.