Margin Call icon

Margin Call

by peter.trerotola · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

Comment on rendered markdown previews in GitHub PRs. Because GitHub won't let you write in the margins.

Users
23
+3 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#143K
#119K among extensions
Version
1.2.0
updated 18 Apr 2026

Users

monthly, 6 months
01223Apr 2026Aug 2026Oct 2026
Latest, 16 Oct 2026: 23 usersMove the mouse over the chart for any month

Ratings count

monthly, 6 months
012Apr 2026Aug 2026Oct 2026
Latest, 16 Oct 2026: 2 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Margin Call

Comment on rendered markdown previews in GitHub PRs. The thing GitHub forgot. GitHub lets you leave inline comments on code in PRs. Line by line, with full context. It's great. GitHub also lets you preview rendered markdown in PRs. Tables, headings, mermaid diagrams, the works. GitHub does not let you do both at the same time. If you want to review a TRD, an RFC, an architecture doc, a changelog — anything where the rendered output is the thing that matters — you have to bounce between the rendered preview (no comments) and the raw markdown diff (no rendering, hard to read). Or you give up and load the doc into Google Docs.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days+3+15.0%00.00
6 months+23–+2+5.00

Version history

2 versions recorded
1.2.018 Apr 2026
1.0.117 Apr 2026

Details

Category
Developer Tools
First seen
17 Apr 2026
Size
1.2 MB
Languages
en
Pricing
Free
Privacy policy
github.com
Support
github.com
Extension ID
nblnlnpacfbabbopcojcmfjmjfpdeifh

Permissions and risk

Moderate riskimpact 2, likelihood 2
Permissions
identitystorageactiveTab
Site access
https://api.github.com/*https://github.com/login/oauth/*

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