Euclid Flex Bold OpenType Features Demo

This page demonstrates all OpenType features available in the Euclid Flex Bold font. Each example shows the text before and after applying the feature.

aalt Alternative Annotations

Displays alternative annotation forms (mostly for CJK characters)
a g 0 1 2 3
a g 0 1 2 3

case Case Sensitive Forms

Shifts various punctuation marks up to work better with capital letters

dlig Discretionary Ligatures

Optional ligatures that are not activated by default
ft ct st
ft ct st

dnom Denominators

Creates denominators for fractions
0123456789
0123456789

frac Fractions

Converts figures separated by a slash into fractions
1/2 3/4 7/8
1/2 3/4 7/8

lnum Lining Figures

Replaces old-style figures with lining figures
0123456789
0123456789

numr Numerators

Creates numerators for fractions
0123456789
0123456789

onum Oldstyle Figures

Replaces lining figures with oldstyle figures
0123456789
0123456789

ordn Ordinals

Replaces ordinal numbers with superscript glyphs
1st 2nd 3rd 4th
1st 2nd 3rd 4th

ornm Ornaments

Replaces characters with decorative ornaments
* # @ $ % &
* # @ $ % &

pnum Proportional Figures

Replaces monospaced figures with proportional width figures
0123456789
0123456789

salt Stylistic Alternates

Replaces default glyphs with stylistic alternates
a g Q & 0
a g Q & 0

sinf Scientific Inferiors

Replaces figures with scientific inferior figures
H2O, CO2
H2O, CO2

ss01 Stylistic Set 1

Alternative stylistic set
a g Q & 0
a g Q & 0

ss02 Stylistic Set 2

Alternative stylistic set
a g Q & 0
a g Q & 0

ss03 Stylistic Set 3

Alternative stylistic set
a g Q & 0
a g Q & 0

subs Subscript

Replaces figures with subscript figures
H2O, CO2
H2O, CO2

sups Superscript

Replaces figures with superscript figures
1st, 2nd, 3rd, m²
1st, 2nd, 3rd, m²

tnum Tabular Figures

Replaces proportional figures with monospaced figures
1234
5678
9012
1234
5678
9012

zero Slashed Zero

Replaces the figure zero with a slashed version
0 vs O, 1000
0 vs O, 1000

Feature Combinations

Fractions + Numerator + Denominator

Combined OpenType features for better fractions
1/2 3/4 7/8
1/2 3/4 7/8

Multiple Stylistic Sets

Combined stylistic sets for unique typography
Hello World 2025!
Hello World 2025!

This text uses Stylistic Set 1

This text uses Stylistic Set 8

This text uses both Set 1 and Set 3

This text uses all stylistic sets

Numbers with Stylistic Set 2 and old-style figures: 1234567890

Neil Scott

How to use OpenType Features on specific characters

OpenType font features, such as ligatures, swashses and other stylistic alternatives, have until recently been tricky to use online. With greater browser support for the font-feature-settings property in CSS we can now choose when to use specific glyphs. But what happens if you want to selectively use these features on specific characters. How can you style them without adding a load of span tags to your pages? Let me show you.

Great list of Supported OpenType font features

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