Start a portrait source check with visible evidence
An unfamiliar portrait can raise questions about where it came from. Inspect available file clues and visible watermark signals to decide what source information to look for next.
Inspect an imageFree AI Image Detector Online
Run AICheck to explore metadata, watermarks and C2PA content credentials in one clear report.
Check an image’s source clues
PNG, JPEG, or WebP · maximum 20 MB · you can also paste an image
Explore image metadata, content credentials and visual signals in one local report.
Checking supported file signals…
This work happens locally in your browser.
This check is taking longer than usual. You can keep waiting or cancel and choose another image.
01 Validate the image file signature
02 Run AICheck metadata detectors
03 Verify embedded C2PA credentials locally
04 Run AICheck pixel detectors
Local signal report
Calculating…
Evidence confidence score
0/100
AICheck grade: None
No specific generation source identified
Explore local color and edge previews alongside the signal report.
Evidence found by AICheck
How to use this tool
Choose the original image
Choose a PNG, JPEG or WebP. The check runs locally without sign-in or credits.
Read the separate checks
Explore metadata, credential status and pixel clues in one clear report.
Review the evidence and save a report
Read the explanations and save a JSON report to keep the findings organized.
Find useful clues before you trust an image's source
Keep better context around a product asset
A product image may pass through several people before it reaches you. Review available clues in the file to support a more informed conversation about its origin.
Inspect an imageGive a news-style image a closer first look
A convincing scene still deserves context. Use available metadata and visible signals as a starting point for checking the source behind a news-like image.
Inspect an imageSort reference material with more context
A design folder can mix photographs, renders and generated concepts. Inspect available image clues to help organize references and identify which sources need a closer look.
Inspect an imageContinue with a related tool
Swipe to explore related tools
AI image signal check FAQ
What can I do with this tool?
Missing AI signals do not prove an image is a photograph. AICheck reports available metadata, C2PA and pixel clues as a starting point for checking the source.
How do I get started?
Choose or paste an image, run AICheck locally and read each check separately. Review the explanations and save the JSON report for your next source-verification step.
Which inputs can I use?
Choose or paste one JPG, JPEG, PNG or WebP image up to 20 MiB. AICheck reads supported file and pixel signals locally and can export a JSON report.
How much does processing cost?
This browser tool is free to use, with zero credits and no sign-in required.
Where is my file processed?
Your selected file is processed in this browser on your device.
Where can I save the result?
Open the report to explore the findings, then download the JSON report.
Start with what the image can tell you
Inspect available source clues in your browser and make the next verification step more informed.
Inspect an image