Color LookupCurrent IP AddressCurrent TimestampHTML EncoderMD5 EncoderRandom Color GridRandom TextTimestamp DecoderTimestamp Encoder
Welcome to semtools, a directory of commonly-used Web development tools.

Choose any of the functions above. Use as many as you want as many times as you want; they're all free.

Have an idea for a tool? Send me an e-mail (please keep the [Semsym] in the subject line).

Visit for more of my work and more about me.