AI Image Detector
Check whether an image was made with AI by reading the generation records left in it (C2PA, XMP, Exif and PNG text). Your image is read in your browser and never uploaded.
Your input stays in your browser and is never sent.
The result only shows whether records are left in the image. Records can be removed or rewritten, so this cannot prove whether an image is AI-made or real.
How to check if an image is AI-generated
- ChooseDrop the images you want to check into the "Drop images here, or click to choose" area. You can add as many JPEG, PNG and WebP files as you like at once.
- See the resultEach image is read as soon as you drop it, and you'll see a result such as "Records show it was generated by AI" or "No records left".
- Check the recordsOpen "Records found" to see exactly what each record says, such as the generator's name or the DigitalSourceType value.
What this AI image detector looks for
Besides the pixels, an image file has room for notes about how it was made and with what software. This tool reads four kinds of records and checks whether any of them names a generative AI tool or marks the image as AI-made.
- C2PA Content Credentials
- A provenance record defined by the C2PA, a coalition that includes Adobe, Microsoft and Google. The tool reads the software that made the file (claim_generator) and the digitalSourceType that flags AI generation.
- IPTC DigitalSourceType (XMP)
- A field from the IPTC, the news photo standards body. Values like trainedAlgorithmicMedia (made with generative AI) and compositeWithTrainedAlgorithmicMedia (partly AI-generated) describe how the image came to be.
- EXIF Software and related fields
- These hold the software or camera used. If a generative AI tool's name shows up, it counts as an AI record. Camera make and model are easy to fake, so on their own they aren't treated as proof of a real photo.
- PNG generation parameters
- Stable Diffusion WebUI and ComfyUI write the prompt and settings (steps, sampler, seed and so on) into the PNG. If those are still there, they're shown as an AI record.
When the result can't tell you
Records can be stripped. Most social platforms remove metadata on upload, and a screenshot or a re-save in another format wipes it too. "No records left" is not evidence that a person made the image.
Records can also be edited. C2PA uses a digital signature to expose tampering, but this tool doesn't verify signatures, so it shows each record as written.
Detectors that score pixels exist, but the Reuters Institute found their verdicts can change after a crop or zoom, and that they can miss real photos with only part of the scene replaced by AI. When an image has no records, look at visual clues such as odd lighting or garbled text, and trace where the image came from.
Free, private, no upload
No AI model runs here. The tool only reads records stored in the file, so everything happens in your browser. There's no sign-up, no login and no usage limit.
Because nothing is uploaded, you can check unreleased artwork or internal documents. There's nothing to install, and it works in a mobile browser too.
Frequently asked questions
- The result says there are no records. Does that mean a person took the photo?
- No. Most social platforms strip metadata when you upload, and screenshots or re-saving in another format remove it too. A missing record doesn't prove the image wasn't made with AI.
- Does it give an AI probability score?
- No. It doesn't guess from the pixels; it only reads what's recorded in the file. Pixel-based scores can flip after a crop, resize or recompression, so they aren't reliable enough to call a verdict.
- Is my image uploaded anywhere?
- No. The file is read inside your browser and never sent to SOKUFU's servers or to any AI service.
- Can it tell if an image came from ChatGPT or Gemini?
- If the generator saved C2PA or IPTC records into the file and they're still there, you'll see them. Images from services that don't add records, or that lost them along the way, can't be identified this way.
- Can I trust the records it shows?
- Records can be edited after the fact. C2PA includes a digital signature for spotting tampering, but this tool doesn't verify signatures; it shows what the record says. Check where the image came from as well.
- Which image formats are supported?
- JPEG, PNG and WebP. HEIC and AVIF aren't supported yet.
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