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Package

is-fullwidth-code-point

Check if the character represented by a given Unicode code point is fullwidth

v5.1.0, 31 Aug 2025MITESM onlyTypes: Bundled
$ npm install is-fullwidth-code-point
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Key numbers

As of 25 Sept 2026
Weekly downloads
200.3m
+58% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
1
Direct, from package.json
Last release
1 year ago
v5.1.0
GitHub stars
51
15 forks
Open issues / PRs
0 / 0
Contributors
9
Commits, last 52 weeks
1

Downloads

Last week 2026-09-15 to 2026-09-21
0100m200m300mSept 2025Mar 2026Sept 2026High 272m (16 Jun 2026)Low 89.9m (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.

200,327,545 downloads last week, 955,346,664 in the last month. The 12-month change of +58% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
06 in total
Latest version
5.1.0, 31 Aug 20251 year ago
First published
16 Jul 2015
Last push to GitHub
18 Sept 20266 days before the snapshot
Repository archived
No
Open issues
0
Open pull requests
0
Commits, last 52 weeks
1
Dependents on npm
2,712

Major versions

  1. v5 first release 5.0.0, 28 Oct 2023
  2. v4 first release 4.0.0, 16 Apr 2021
  3. v3 first release 3.0.0, 18 Mar 2019
  4. v2 first release 2.0.0, 22 Sept 2016
  5. v1 first release 1.0.0, 16 Jul 2015

Recent releases

VersionPublished
5.1.031 Aug 2025
5.0.028 Oct 2023
4.0.016 Apr 2021
3.0.018 Mar 2019
2.0.022 Sept 2016
1.0.016 Jul 2015

Compatibility

Module format
ESM onlyFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
>=18
Runtimes
-
Unpacked size (npm)
3.4 kB
Dependencies (1)
get-east-asian-width

Install

npm install is-fullwidth-code-point

CDN

  • jsDelivrhttps://cdn.jsdelivr.net/npm/is-fullwidth-code-point@5.1.0/
  • unpkghttps://unpkg.com/is-fullwidth-code-point@5.1.0/
  • esm.shhttps://esm.sh/is-fullwidth-code-point@5.1.0
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): no category.