Observable JS
Verified publisherWhat a VS Code verified publisher badge means, compared with Open VSX →
An unofficial VS Code extension that wraps Observable's official notebook-kit to bring Observable Notebook 2.0 to VS Code: author .onb.html notebooks, switch between HTML/notebook views, edit legacy .ojsnb/.ojs/.omd files, preview, import/export, and build static sites.
Tracked since 5 Sept 2026
Daily readings on both stores, taken by us. As of 25 Sept 2026.
Each bar is one day’s change in the store’s own counter. Open VSX counts a download on every update, so a day includes updates by people who already had it. Days before 5 Sept are reconstructed from public archives rather than read by us.
Where Observable JS ranks in search
Positions observed daily on both stores. Neither store publishes this, and the two run separate search engines over separate catalogues.
#1 on Open VSX for “js”, #36 on Marketplace.
| Search | Marketplace | Open VSX |
|---|---|---|
| html | #769of 3,673↓3 7d | #108of 612↓4 7d |
| js | #36of 8,117 | #1of 397 |
6 more searches, day-by-day history, and the extensions ranked above it. See plans | ||
VS Code Marketplace search ranking: measuring jitter and real movement →
- Installs
- 22,167+0.2% 7d
- Rating
- 4.5from 4 ratings
- Rank in Notebooks
- #62of 636
- Latest
- v0.4.646 Sept 2026
68 releases · first published Apr 2020
Why the Open VSX download count looks inflated →
- Downloads
- 3,293+3.1% 7d
- Rating
- —from 0 reviews
- Rank in Notebooks
- #90of 173
- Latest
- v0.4.646 Sept 2026
Downloads count every update, not unique installs.
What the publisher says
Observable JS’s own readme, changelog and license, as published to the VS Code Marketplace.