At present, latex2html is the all around best tool for putting math on the web at the moment. It has its limitations, but it gets the job done.

You can download it from CTAN.

Theoretically, latex2html can be installed on any system with PERL. However, it also needs a number of supporting programs, to function as well as possible. They include:

• GhostScript (available for PC)
• PBMPLUS or NETPBM library
• giftrans (Available for PC)
• latex2e

It is probably fair to say latex2html is designed for and used mostly on Unix systems.

• Advantages
  • Excellent in situations a TeX document is mandatory for hard copy.
  • Reasonably good output quality
  • Produces standard HTML documents

• Disadvantages
  • Not very user friendly. Requires technical installation
  • The authoring process is complicated and technical
  • Images are slow, don't rescale and can't be searched