Is proj4 safe to use?

proj4 has no known vulnerabilities on the latest version (2.20.8). DepScope rates its health at 82/100 (low risk).

What is the latest version of proj4?

The latest version of proj4 is 2.20.8, released 2026-04-06.

Does proj4 have known vulnerabilities?

No known vulnerabilities on the latest version of proj4.

No, proj4 is actively maintained. Latest release: 2.20.8 (2026-04-06).

What are alternatives to proj4?

Popular alternatives to proj4 in npm include: debug, minimatch, ansi-styles, brace-expansion, strip-ansi.

proj4

npmv2.20.8

Proj4js is a JavaScript library to transform point coordinates from one coordinate system to another, including datum transformations.

License MITpermissive93 versions2 maintainers2 deps799,580 weekly dl

git://github.com/proj4js/proj4js

/ 100

Health

safe to use

[email protected] is safe to use (health: 82/100)

Health breakdown0 – 100

25/25

maintenance

14/20

popularity

25/25

security

15/15

maturity

3/15

community

Vulnerabilities

none known

Bundle & TypeScript

📦

Bundle Size

125.0 KBminified

40.7 KB gzipped

2 direct dependencies

ESMside effects

🌟

TypeScript

10/10typed

bundled

Health History

Dependency Tree

License Audit

Dependencies (2)

mgrs wkt-parser

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/npm/proj4