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Draw, highlight, add shapes & more on any webpage in real time! Transform any webpage into an interactive canvas with MarkUp! This lightweight browser extension lets you draw, highlight, and annotate in real-time perfect for tutorials, feedback, presentations, and creative brainstorming. Key Features - Drawing Tools: Freehand pen, highlighter, lines/arrows, shapes (rectangles, circles), and text with custom fonts - Customization: 11 colors+, adjustable stroke width/opacity, dark/light themes, and scalable UI - Smart Interactions: Scroll-aware positioning, touch support, undo/clear functions, and customizable shortcuts - Keyboard Shortcuts: Ctrl+Shift+D (toggle drawing), Ctrl+Z (undo), Escape (disable), 1-9/0 (tool select), Shift+C (clear all) - Non-Intrusive: Session-based (respects privacy), works on any site, and compatible with Chromium browsers Install MarkUp today and start marking up the web instantly!
Feb 21, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.