Screenshot annotator
Draw on a screenshot before you send it. Circle the part that matters, point at it with an arrow, or highlight a line of text, then download the PNG or paste it straight into a chat or ticket.
Runs in your browser. Nothing is uploaded.
Drop a screenshot to draw on
You can also paste with Command V or Control +V
Draw on the image with a mouse, pen or finger. With the keyboard, Tab to the image, move the cursor with the arrow keys (hold Shift for bigger steps), press Enter to start a mark, draw it with the arrow keys and press Enter again to finish. Escape cancels a mark.
What happens on this page
Your screenshot is opened in this tab and drawn on a canvas. Each pen stroke, highlight, arrow and circle is kept as a separate mark, so undo removes them one at a time. A pen or stylus draws thicker when you press harder.
When you download or copy, the marks are drawn onto the image at its original size, so a large screenshot stays sharp. The file is made on your device and never leaves it.
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Runs in your browser
The tool is code on this page. It does its work on your device, not on a server.
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Nothing is uploaded
What you open here is processed in this tab and never sent anywhere.
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Nothing is kept
There's no account and no history. Close or reload the page and your work is gone.
Draw on your screen while you present
Curtains has a pen, highlighter, arrow and laser pointer for live calls. Viewers see your ink on the shared canvas, and it can fade on its own a few seconds after you lift the pen.