DTL OTMaster is a technical OpenType font editor developed by Dutch Type Library and URW++. The cross-platform tool allows detailed examination and modification of any OpenType font (.otf, .ttf or .ttc). Font developers typically use OTMaster at the last step of font development -- to perform last-minute low-level changes or in-depth analysis and testing.
What is new in this release:
OTMaster 5 adds support for all the competing color OpenType font extensions: Microsoft "COLR"/"CPAL", Adobe "SVG", Apple "sbix", and Google "CBDT"/"CBLC", bringing it in sync with the latest font format specs.
OTMaster 5 also provides a flurry of more specialized tools:
- The Font Viewer allows you to preview all glyphs in a font, from all outline points to the rendered bitmaps at various sizes. (New: in OTMaster 5, you can narrow the view using various search criteria.)
- The Side by Side Viewer (improved in OTMaster 5) allows you to compare glyphs across a number of opened fonts, while the Color Viewer, the Embedded Bitmap Viewer and the Glyph Viewer allow you to examine specific aspects of each glyph.
- The Table Comparator and the Consistency Checker help you achieve consistent behavior of all fonts in a family or one font across different operating systems.
- With the GSUB/GPOS Table Viewer and the kern Table Viewer, you can perform detailed examination and do small modifications of the font's layout behavior: kerning, mark positioning, contextual, ligature and other substitutions etc.
- The Text Viewer (completely new in OTMaster 5) is a comprehensive test environment for OpenType Layout features. You can preview customized strings, enable features selectively, choose the text script and direction, and export the renderings to PDF. OTMaster 5 integrates the cutting-edge HarfBuzz OpenType Layout engine, allowing you to accurately test the shaping and rendering of complex scripts such as Arabic or Devanagari.
- The Glyph Editor is a compact version of DTL FontMaster: it is a fully-featured outline editor, allowing you to edit a glyph outline, import a glyph from and export it to EPS or SVG (so you can modify it another app and bring it back). You can change the glyph's metrics, apply various transformations, automatic outline improvement operations, and autohinting. (New: in OTMaster 5, measurement, grid and other aspects of the Glyph Editor have been improved). With the Glyph Copy Tool, you can easily copy glyphs between fonts.
Limitations:
Saving function is disabled
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