Package

fast-string-width

A fast function for calculating the visual width of a string once printed to the terminal.

v3.0.2, 30 Sept 2025MITESM onlyTypes: BundledCLI tools and terminal utilities Strings and text

$ npm install fast-string-width

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 23.9m; +66487% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 1; Direct, from package.json
Last release: 11 months ago; v3.0.2
GitHub stars: 44; 0 forks
Open issues / PRs: 1 / 0
Contributors: -
Commits, last 52 weeks: 2

Downloads

Last week 2026-09-15 to 2026-09-21

Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

23,931,183 downloads last week, 115,270,873 in the last month. The 12-month change of +66487% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: 111 in total
Latest version: 3.0.2, 30 Sept 202511 months ago
First published: 25 Feb 2024
Last push to GitHub: 30 Sept 2025359 days before the snapshot
Repository archived: No
Open issues: 1
Open pull requests: 0
Commits, last 52 weeks: 2
Dependents on npm: 68

Major versions

v3 first release 3.0.0, 22 Aug 2025
v2 first release 2.0.0, 4 Aug 2025
v1 first release 1.0.0, 25 Feb 2024

Recent releases

Version	Published
3.0.2	30 Sept 2025
3.0.1	22 Aug 2025
3.0.0	22 Aug 2025
2.0.0	4 Aug 2025
1.1.0	11 Jan 2025
1.0.5	27 Feb 2024
1.0.4	26 Feb 2024
1.0.3	25 Feb 2024
1.0.2	25 Feb 2024
1.0.1	25 Feb 2024
1.0.0	25 Feb 2024

Compatibility

Module format: ESM onlyFrom package.json type, main and exports fields
TypeScript types: Bundled
Node.js engine range: Not declared
Runtimes: -
Unpacked size (npm): 3.4 kB
Dependencies (1): fast-string-truncated-width

Install

npm install fast-string-width

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/fast-string-width@3.0.2/
unpkghttps://unpkg.com/fast-string-width@3.0.2/
esm.shhttps://esm.sh/fast-string-width@3.0.2

Alternatives

Package	Weekly downloads	Gzip	Last release	Module	Comparison
window-size Reliable way to get the height and width of terminal/console, since it's not calculated or updated the same way on all platforms, environments and node.js versions.	4.1m	-	8 years ago	CommonJS	-
string-length Get the real length of a string - by correctly counting astral symbols and ignoring ansi escape codes	41.3m	-	8 months ago	ESM only	-
cypress-terminal-report Better terminal and file output for cypress test logs.	421.9k	-	11 months ago	CommonJS	-
word-wrap Wrap words to a specified length.	103.4m	-	3 years ago	CommonJS	-

Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.