Greasy Fork is available in English.
Allows drawing on websites when the control key and mouse button are pressed. Includes settings for color, line width, opacity, eraser tool, circle distance, softness, and shadow. Also includes undo, redo, clear all, save color, and clear color history buttons.
< Обсуждения WebPadOnline! Draw on Websites! Take Notes! Doodle!
Works well. But it looks vulnerable to burn-in because of the floating icon