utf8-decode is used at run time in 167 crates (of which 10 optionally). It is a direct run-time dependency in 7 crates. It's used only as a dev dependency in 2 crates (of which 1 directly).

Depender (with downloads and own rev deps) utf8-decode version
71K 30 json-syntax ^1.0.1
55K 10 pct-str ^1.0.1
8.9K 5 json-ld-core optional ^1.0.1
650 1 clue_core ^1.0.1
whitespace-rs ^1.0
smt2 ^1.0
veryfi ^1.0.1
280 1 source-span dev ^1.0