The Blackboard - Lightning-Fast Real-time Collaborative Drawing tool
Workflow & Planning
Lightning-fast, real-time collaborative drawing tool for seamless creativity and teamwork.
Users
489
Rating
5.0
Reviews
16
7D Growth
--|--
Stable signalUnknownMedium-risk permissions
Blackboard
Draw over webpages, capture and save full page screenshots
Users2KCurrent public install base
Rating3.8Store average score
Reviews8Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview
6 assetsBlackboard Media preview
Trend
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User Growth Over Time
Rating trend
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7-day rating change
Start
3.75
Latest
3.75
7-day rating change
0.00
2026年7月16日2026年7月21日
Growth overview
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1-day growthNo data
----7-day growthFlat
00%30-day growthNo data
----Technical snapshot
Version, languages, and crawl freshness
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Version0.1.1
ManifestV3
Size1.39MiB
Languages1English
Published
Store updated
Last crawled
English
Overview
Product summary
Review the store description, core capabilities, and common use cases.
*EXTENSIONS DO NOT WORK ON CHROME WEBSTORE PAGES - NAVIGATE AWAY TO ACTUAL WEBSITES TO TEST!*
Blackboard helps you live annotate web pages and take full length screenshot of your work!
🚀Features:
✏️ Pencil tool
📷 Full page screenshot
✨ Textbox
Reviews
Recent review snapshot
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Store average score3.8Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average2.0Average computed only from synced review bodies below
Reviews with text3Synced review bodies
Total ratings / reviews8Chrome Web Store public rating/review count
Store average score: 3.8. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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Makes accessing course content and managing online learning more convenient from Chrome.
I can't use it because it does not even open.
Doesn't do anything? Maybe it used to several chrome versions ago