After scaling the glyphs using the below steps: used emsize 1024 1.From the menu in the font window pick Edit -> Select -> Select all (or type Control-A)
2.Pick Element -> Transformations -> Transform (or type Control-backslash)
3.Set “Glyph Origin” as the Origin and pick “Scale Uniformly…” in the next drop-down. Enter the desired scale factor (out of 100).
Recommended: Leave the first two boxes unchecked but check the last four.
4.Hit “OK” and wait for the transformation process to complete.
5.Save the file and generate the fonts as needed.
(https://github.com/fontforge/fontforge/issues/3421)
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getting height issues while rendering the ttf file in html