TTFPreview - great replacement for the MS Windows built-in Truetype Fonts viewer.
List mode - see samples of all installed Truetype Fonts;
Grid mode - see the entire charset with character codes;
Sample string - define any string to preview fonts (not only just "The quick brown fox jumps over the lazy dog" or "Mary had a little lamb");
Single file preview - associate TTF files with TTFPreview to see the entire charset;
Resize font sample - use "-" and "+" to instantly resize preview string;
Browse folder - open any folder containing TTF files and preview them without installing.
AND MANY OTHER