DapperDavidBank
You need to support tabs! otherwise a good, simple, ad-less converter.
runningdiver
Iseeyou99
JTK100
Very handy tool to convert AWS JSON config files to our internal YAML config files. The buttons are a bit small though.
yum_z
This is a surprisingly robust JSON to YAML converter. It takes care of the many idiosyncrasies of both formats and has pretty good support for many edge cases.
AV200