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AI Image Caption Generator

Turn a photo into a short, detailed or very detailed description with a vision-language model on your device.

AI Private · runs on your device Free
Runs locally in your browser AI processing happens on your device. Your files are not uploaded for inference.
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    Put your picture into words

    The Image Caption Generator uses the Florence-2 vision-language model to look at the whole picture and write a model-generated caption. Useful for social posts, product description drafts, tagging photo archives and content ideas.

    Detail levels

    • Short: a one-line caption for social media
    • Detailed: a general description of the scene
    • Very detailed: a paragraph about people, objects, colours and setting

    Model and language

    The model is about 260 MB and is downloaded once after you confirm, then cached. Captions are written in English. Your photos are never sent to a server.

    Limitations

    The model can miss or misread text in images, small objects or unusual scenes. Treat the output as a draft and check it.

    How to use AI Image Caption Generator

    1. Upload the photo to describe.
    2. Choose the level of detail.
    3. Confirm the model download (first use).
    4. Edit and copy the generated caption.

    Why use this tool?

    Speeds up writing image descriptions for creators and archivists while keeping photos private.

    FAQ

    Can captions be wrong?

    Yes. The model can miss details or guess wrongly, especially with text, small objects or unusual scenes. Treat the output as a draft.

    How is it different from the alt text generator?

    The Alt Text Generator focuses on short accessibility descriptions; this tool offers longer descriptions at different detail levels.

    Can I get captions in other languages?

    The model writes in English; translate the caption if you need another language.

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