This plugin calculates code complexity metric right in the editor and shows the complexity in the hint next to the method/class. It's based on the Cognitive Complexity...
Code Complexity has 113,095 recorded downloads on JetBrains Marketplace.
It ranks #848 of 2,500 tracked JetBrains Marketplace listings by downloads.
It is rated 4.5 out of 5 from 6 ratings.
PluginStats has 3 daily observations since Oct 16, 2026; the latest is from Oct 18, 2026.
Rating: 4.50 / 5 from 6 ratings
About Code Complexity
This plugin calculates code complexity metric right in the editor and shows the complexity in the hint next to the method/class. It's based on the Cognitive Complexity metric proposed by G. Ann Campbell in Cognitive Complexity - A new way of measuring understandability.
Works with Java, Kotlin, Python, Dart, and Go.
Description from the JetBrains Marketplace listing.
Code Quality
Editor
Inspection
Where Code Complexity sits in the listing
Each band is one page of 20. Downloads on a log scale. Placement is projected from downloads, so it can differ from the marketplace's own sort order. Hover a dot to see the listing.
Filled points are observed values; hollow points come from Internet Archive snapshots of the listing page. Dashed segments span periods with no observations — values between points are not interpolated.
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Data source
Cumulative download counts come from the public JetBrains Marketplace API. JetBrains reports downloads, not active installs. Ratings are the mean of public votes.