3 items
Annotate webpages with pen, arrows, text & blur. Capture clear screenshots for bug reports, feedback, and docs. No account needed. Need to give visual feedback on a webpage? MarkScreen lets you draw directly on any page, mark up issues, and capture clean screenshots — without leaving your browser. Who uses MarkScreen: • QA & developers — mark exactly what's broken before filing a bug report • Designers & PMs — draw feedback on live pages and mockups instantly • Teachers & content creators — annotate web content for tutorials and guides • Anyone who wants to show, not just tell 🔒 Privacy first — no account, no data collection. Everything stays on your device. --- 🎨 Drawing & Annotation Tools • Pen — freehand drawing with adjustable color and width • Highlighter — semi-transparent emphasis • Arrow — point to what matters • Line — straight lines (hold Shift for perfect angles) • Rectangle & Circle — frame and highlight elements • Text — add notes anywhere on the page • Callout — numbered step markers that auto-increment (①②③) • Blur — hide sensitive info before sharing • Emoji — add visual stickers 📸 Capture Options • Viewport capture — grab exactly what's visible • Crop tool — select any specific region • Timer — 3 or 5 second delay to capture menus and tooltips • Copy to clipboard — paste directly into Slack, Jira, email • Download as PNG ⌨️ Keyboard Shortcuts • Alt+Shift+D — toggle on/off instantly • 1–9, 0 — switch tools without touching the mouse • Ctrl+Z / Ctrl+Y — undo / redo • Ctrl+S — quick save screenshot • ? — show all shortcuts ✨ More • Select, move, and resize any annotation after placing • Edit text after placing • Works on any webpage — including local files • Lightweight, fast, no bloat
Mar 25, 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.