Links for decimal to fixed and floating-754 converters

Here is the link for a nice number format conversion between,

decimal/hexadecimal <==> IEEE 754 single and double precision formats

http://babbage.cs.qc.edu/IEEE-754/

And for number format conversion between,

decimal (integer/real) <==> hexadecimal or binary

http://www.easysurf.cc/cnver17.htm#b10tob2