Edit: also breaks StartPage layout for some reason. Author should have a github repo active so people can communicate on these issues more easily.

Advantage over the current most popular autoconverter: decimal separation uses "." instead of ",". Both are valid but international scientific writing uses "." - of course an option to customize the separator would be even better.

Current misgivings (without repeating other reviews): cannot do range (e.g., for 1.8-2.5 miles the result only converts 2.5 miles); the EU flag is fun but will get cluttered on page with a lot of converted units. Not to mention that it feels exclusionary when the rest of the world also use metric.

Does not work if something is written like “28k miles”.
Also inches sometimes are written like “10"”, then it also does not work.
Mpgs are not translated correctly.

Works on mobile firefox btw