Glyph Editor - Work with Type 1 and TrueType outlines easily and precisely.
Multiple Masters - Make your own multiple master fonts with up to 4 axes. Extrapolate fonts beyond original limits
TrueType & Type 1 Hinting - Add hints manually or automatically for beautiful screen and low-res fonts.
VectorPaint Tools - Perform paint operations in a vector environment
FontAudit Technology - Automatically checks character outline while you edit it
Font Metrics and Kerning - Professional metrics and kerning editor with automatic functions and full support for Multiple Master fonts.
Transformations - Applicable to the whole font or to selected characters
Unicode - Full support for Unicode encodings with multiple codepages and optional font reencoding
Font Header Editor - Access to all font properties, from names to supported codepages to TrueType-specific font metrics.
OpenType Support - Import, create, edit, export and convert OpenType fonts (TrueType or CFF-flavoured). Decompile font features to easy-to-read editable format.
Macro Language - A Python script interpreter inside FontLab lets you extend FontLab features infinitely. Make your own tools and plugins! Browse to the Python Page for details and demos.
New Outline Tools - Knife, Magic Wand, 3D Rotate, Scale and Slant... - FL4 has a whole batch of new, intuitive ways to work with glyphs. Or use the new Sketch mode to create new contours with Ikarus-like tools.
Customizable User Interface - from menus and keyboard shortcuts to the pictures on toolbar buttons - change the FontLab GUI to fit your needs
Double-byte Codepages - for Chinese, Japanese and Korean fonts
Create Arabic and Hebrew Fonts - right-to-left writing is supported in all panels and in the Metrics editor.
Autogeneration of basic OpenType featurs for T1 fonts.
Level 2 and Level 3 EPS import/export - Makes it simple to exchange EPS files with the latest versions of Adobe
Improved blend algorithm - inserts fewer points; can blend composites and even hints.
MM-compatible Type1->TrueType conversion - speeds up creation of families of TrueType fonts.
TrueType hinting of Multiple Master fonts - with correct interpolation of instructions where possible.
Better user interface - smart panels in Macintosh version, expandable zoom panel in Windows version. Updated design of properties panel in both versions.