OSNote: Draw on Screen

OSNote is a simple screen pen app that lets you write, draw and highlight directly on your screen.

Use floating writing tools to mark important details, underline text, circle areas, draw quick notes and highlight what matters without leaving your current screen.

OSNote turns your phone screen into a quick visual note space.

Write and Draw on Your Screen

Write, draw, circle, underline and highlight what you see on your screen. Whether you are studying, teaching, explaining something or taking quick notes, OSNote helps you mark ideas exactly where they appear.

Floating Screen Pen Tools

The floating toolbar keeps your writing tools ready when you need them. Open the pen, marker or eraser, make your note, and continue what you were doing without switching between apps.

Useful for Everyday Screen Markup

OSNote can help when you want to:

• Write on your screen

• Draw on your screen

• Highlight important details

• Underline text

• Circle buttons, images or key areas

• Point to something during an explanation

• Create quick visual notes

• Mark content while learning

• Use your screen like a simple whiteboard

• Save screen notes for later

Save Your Screen Notes

You do not need to take a screenshot first and edit it somewhere else. Write directly on your screen, highlight what matters and save your screen note when you are done.

Main Features

• Screen drawing

• Screen pen

• Screen markup

• Write on screen

• Draw on screen

• Floating toolbar

• Pen tool

• Marker tool

• Eraser tool

• Quick visual notes

• Saved screen notes

• Clean and simple interface

• Lightweight experience

Made for students, teachers, creators, presenters and anyone who wants a simple way to explain, mark or remember something visually.

With OSNote, you can mark important areas, explain ideas faster and turn your screen into a practical visual note space.

Write on your screen. Draw. Highlight. Save your notes.