# IsThisImage — AI Image Detector

> Check if an image is AI-generated with our free AI image detector. Upload a JPG, PNG or WebP. One free check daily, no signup required.

## AI-readable guides
- [Developer API](https://isthisimageai.org/api-reference.md): Authentication, permanent credits and examples
- [OpenAPI](https://isthisimageai.org/openapi.json): API v1 machine contract
- [Homepage Markdown](https://isthisimageai.org/index.md): How this image detector works
- [Full guide](https://isthisimageai.org/llms-full.txt): Free quota, results, privacy and limitations

## Official public pages
- [AI image detector](https://isthisimageai.org/): Check if an image is AI-generated with our free AI image detector. Upload a JPG, PNG or WebP. One free check daily, no signup required.

Detector results are not definitive proof. Verify important claims using the original image source and independent evidence.