dtmf2num的在线版
LingoJam lets you create an online translator. It's really simple, just throw us a couple of lists of words and we'll mix it around and make a translator that you can share with the world!
Several encoders and decoders (Base64, URL, IDN, ...) for conversions between common text and binary data representations.
Rumkin.com
如果不能运行,下载源码本地运行