Marking Up Images
Sometimes the fastest way to say "this part" is to point at it. Image markup lets you draw on an image, then send the marked-up copy with your question or edit request.
In short
- Add or open an image in chat.
- Choose Markup and draw on it.
- Press Done and add your question, such as "Why is this line so steep?"
What you can add
- Pen and highlighter for circling or underlining.
- Arrows and boxes to point at one area.
- Numbered steps to label a sequence, so you can ask about "step 3".
- Text for short labels.
- Blur to hide private details such as names, faces, or account numbers before you send.
- Crop to keep only the part that matters.
- Eraser, Undo, and Redo to fix a mistake. Markup works with touch, so you can draw with a finger or stylus on a phone or tablet.
Mark up an image in chat
You can mark up an image before you send it, or an image already in the conversation, including one chat made or found for you. Your marked-up copy is added to your next message. The original stays as it was.
If you cancel, you return to the image you were viewing.
Mark up in Image Studio
In Image Studio, draw on the parts you want changed. The edit follows your marks, so "make this one blue" lands on the object you circled instead of guessing which one you meant.
Tips
- Keep marks light. Circle or point to one thing at a time, then say what you want.
- Blur private details before sending a screenshot of anything personal or confidential.
- On a phone, the controls scroll sideways so Undo and Redo stay within reach.
Related
- AI Chat, where marked-up images go.
- Image Studio, generating and editing images.
- Sources and Citations in Chat, checking what an answer is based on.
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