Can Witness detect Adobe Firefly images?
Adobe Firefly was held out of Witness's training data, so pixel-based results on it are less reliable. Adobe attaches Content Credentials to many Firefly outputs, and Witness reads those when they are still in the file.
Many Firefly outputs include Content Credentials. Witness reads who signed the file and what edits were recorded, if the data survived.
What helps and what hurts
What helps
- Run the C2PA checker on the original download.
- Compare the AI result with the credentials.
Where detection gets harder
- If credentials are stripped, only pixel detection remains, which is weaker here.
- Screenshots, heavy compression and resizing remove the traces detectors rely on, and can also make real photos look suspicious.
- New versions of a generator can be missed until detection is updated.
How to read this page
- Coverage statements come from Witness's own internal evaluation, not an independent benchmark.
- No accuracy percentage is published for this generator.
- Witness reports a likelihood with a confidence score. It does not prove anything on its own.
How it works
- 01
Drop in the file
Upload an image or video, or paste a link, or right click any image in Chrome with the extension.
- 02
Witness checks it
Several detection methods run in parallel, plus checks for provenance data such as Content Credentials and metadata.
- 03
Read the result
You get a likely real or likely AI-generated verdict with a confidence percentage and a plain-language explanation.
Frequently asked questions
Can Witness detect Adobe Firefly images?
Pixel detection is weaker for Firefly. Content Credentials, when present, are the clearest signal.
Are Firefly images allowed to be used commercially?
That is a licensing question for Adobe's terms, not something Witness can answer.
Is a Witness result proof?
No. Witness gives a likelihood and a confidence percentage, plus an explanation. Use it as a second pair of eyes, not as a final ruling.
Related
Don't guess. Witness it.
Free to try. No account needed for your first scans. Witness gives a likelihood with a confidence percentage, not a certainty.