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AI Image Captioning

Generate captions and alt text for photos with an AI model running in your browser. Batch images, copy results. No upload.

No uploads

How to use AI Image Captioning

  1. 1Open AI Image Captioning. It runs in your browser, no sign-up.
  2. 2Drop your file here or choose it. It stays on your device; nothing is uploaded.
  3. 3Adjust the options until the preview looks right.
  4. 4Download the result.

Questions

Are my photos uploaded?

No. A ViT-GPT2 captioning model (~250 MB, cached after the first use) runs in your browser.

What is it good for?

Alt text for websites and social posts, naming photos, or getting a quick description of an image.

Can I caption many images?

Yes — drop several at once and copy all captions together.

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