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Package

topojson

An extension to GeoJSON that encodes topology.

v3.0.2BSD-3-ClauseESM + CommonJSTypes: NoneMaps and geolocation
$ npm install topojson
Deprecated on npm
Use topojson-client, topojson-server or topojson-simplify directly.

Key numbers

As of 25 Sept 2026
Weekly downloads
64.1k
-13% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
3
Direct, from package.json
Last release
-
v3.0.2
GitHub stars
-
Open issues / PRs
- / -
Contributors
-
Commits, last 52 weeks
-

Downloads

Last week 2026-09-15 to 2026-09-21
050k100k150k200kSept 2025Mar 2026Sept 2026High 175.4k (12 May 2026)Low 42.2k (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

64,074 downloads last week, 325,792 in the last month. The 12-month change of -13% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
-
Latest version
3.0.2
First published
-
Last push to GitHub
-
Repository archived
-
Open issues
-
Open pull requests
-
Commits, last 52 weeks
-
Dependents on npm
-

Major versions

-

Recent releases

-

Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
-
Dependencies (3)
topojson-clienttopojson-servertopojson-simplify
npm install topojson

CDN

jsDelivr: 1.1m requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/topojson@3.0.2/
  • unpkghttps://unpkg.com/topojson@3.0.2/
  • esm.shhttps://esm.sh/topojson@3.0.2
PackageWeekly downloadsGzipLast releaseModuleComparison
visionscarto-world-atlas9.7k----
geojson627.9k-9 years agoCommonJS-
sane-topojson16.4k-7 years agoCommonJS-
leaflet.vectorgrid12.5k-9 years agoCommonJS-
Sources: npm registry, npm downloads API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): deprecated; GitHub data not fetched yet.