what-user-agent, a bash script to humanize user-agent strings using the whatismybrowser.com API.

Turn garbage like Mozilla/5.0 (iPhone; CPU iPhone OS 15_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.1 Mobile/15E148 Safari/604.1 into Safari 15.1 on iOS 15.1

Use it like this:

$ what-user-agent "Mozilla/5.0 (iPhone; CPU iPhone OS 15_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.1 Mobile/15E148 Safari/604.1"
Safari 15.1 on iOS 15.1

Get your free API key at developers.whatismybrowser.com/api/signup/basic

Caches lookups so you don’t use all your API calls in a month. Clear the cache by rm-ing the $USER_AGENTS file, which defaults to ~/.user_agents