Tools

Virtual Keyboards

Developer Tools

Text Tools

Calculations

Learning Tools

Fun Tools

Standards

Character entities

Fonts

Web-safe fonts

Here are common fonts to all versions of Windows and Mac equivalents. These fonts are likely to be rendered faithfully through-out the widest range of computer systems.
For more information : http://en.wikipedia.org/wiki/Websafe_fonts

Normal weight

Bold weight

Italic

Arial, Helvetica, sans-serif Arial, Helvetica, sans-serif Arial, Helvetica, sans-serif
Arial Black, Gadget, sans-serif Arial Black, Gadget, sans-serif Arial Black, Gadget, sans-serif
Comic Sans MS, Textile, cursive Comic Sans MS, Textile, cursive Comic Sans MS, Textile, cursive
Courier New, Courier, monospace Courier New, Courier, monospace Courier New, Courier, monospace
Georgia, Times New Roman, Times, serif Georgia, Times New Roman, Times, serif Georgia, Times New Roman, Times, serif
Impact, Charcoal, sans-serif Impact, Charcoal, sans-serif Impact, Charcoal, sans-serif
Lucida Console, Monaco, monospace Lucida Console, Monaco, monospace Lucida Console, Monaco, monospace
Lucida Sans Unicode, Lucida Grande, sans-serif Lucida Sans Unicode, Lucida Grande, sans-serif Lucida Sans Unicode, Lucida Grande, sans-serif
Palatino Linotype, Book Antiqua, Palatino, serif Palatino Linotype, Book Antiqua, Palatino, serif Palatino Linotype, Book Antiqua, Palatino, serif
Tahoma, Geneva, sans-serif Tahoma, Geneva, sans-serif Tahoma, Geneva, sans-serif
Times New Roman, Times, serif Times New Roman, Times, serif Times New Roman, Times, serif
Trebuchet MS, Helvetica, sans-serif Trebuchet MS, Helvetica, sans-serif Trebuchet MS, Helvetica, sans-serif
Verdana, Geneva, sans-serif Verdana, Geneva, sans-serif Verdana, Geneva, sans-serif
MS Sans Serif, Geneva, sans-serif MS Sans Serif, Geneva, sans-serif MS Sans Serif, Geneva, sans-serif
MS Serif, New York, serif MS Serif, New York, serif MS Serif, New York, serif