CLI

github.com/sindresorhus/fast-cli Network Tools Open-source projectOpen source

Test download and upload speeds from the command line using fast.com with fast-cli.

github.com/sindresorhus/fast-cli
CLI homepage screenshot

About CLI

fast-cli tests download and upload speed using fast.com from the command line. It installs globally with npm using npm install --global fast-cli and runs as fast in a terminal. Reported speeds use Mbps units.

Pricing is not clearly stated.

Key features

  • Measure upload speed in addition to download speed
  • Reduce spacing and output to a single line
  • JSON output
  • Include latency and server location information
  • Redirect output to a file
Watch out for
  • Requires Node.js 22.12+ installed
  • First run downloads Chrome (~200 MB) if not already installed

CLI at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Details verified
Oct 22, 2026 · Official source
Open source
Yes · Source code
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

CLI alternatives

Tools and sites you could use instead, ranked by how closely they match.

All 24 alternatives

Popular in Network Tools

Well-known listings from the same topic.

All 72
Is something wrong or out of date?

Tell us and an editor will check it.

Own this website?

Claim the listing and suggest updates yourself. An editor checks every claim first.

Claim this listing