PaintLasso

Free Chrome extension · Early beta

PaintLasso Annotate

Draw, highlight, and point right on a webpage while you teach, tutor, or present. Try it in one lesson and tell us how it went.

Download the beta ZIP PaintLasso Annotate highlights the question, circles three blue tiles, and adds a handwritten 3/4 and a shaded sketch.

Install on desktop Chrome

  1. Download and unzip the file.
  2. Open chrome://extensions and turn on Developer mode.
  3. Choose Load unpacked and select the folder containing manifest.json.
  4. Pin PaintLasso Annotate from the Extensions menu. Open a regular webpage and click the icon.

This development build installs manually. If your school manages Chrome, check with your IT team before installing it.

Try it in one lesson

Open a lesson webpage or use this page for a practice run. Highlight an instruction, draw an arrow, then press Esc to use the page again. Try it on a second day if it fits your routine.

Practice here: explain 3/4 in one minute

After installing, keep this tab open and click the Annotate icon. Highlight or circle three of the four blank tiles, then write 3/4 beside them. Press Esc to return to normal page controls.

No student information is needed. Try the same steps on a lesson page after this practice.

Send beta feedback about what you tried, what got in the way, and whether you’d use it again. Leave out student names and work.

Join the teacher pilot

We’re looking for 5–10 teachers to try Annotate in a lesson. Leave your email if you’d like to join.

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