SF Pro Rounded for Everyone

Sunghyun Sans is a rounded typeface supporting 9 weights across Latin, Cyrillic, Greek, Vietnamese, Korean, Japanese, and Chinese.

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Thin100

The quick brown fox jumps over the lazy dog

ExtraLight200

Internationalization

Light300

Millimeter waves

Regular400

Assimilation engine

Medium500

Botanica Francisco

SemiBold600

San Francisco

Bold700

15 Mango Avenue

ExtraBold800

Comedy Morning

Black900

Hamburgefonstiv

Preview

See it in context

Headlines and body copy: Sunghyun Sans adapts to every context.

Size18px

Weight400

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Glyph Labs

Compare Sunghyun Sans with SF Pro Rounded

Inspect raw vector paths, control points, and rounding decisions side by side. Sunghyun Sans and SF Pro Rounded are enabled by default, with extra references available when needed.

OpenType Features

Typographic intelligence

Built-in OpenType features for precise, professional typography.

Off

1,234,567 8,901,234 5,678,900

font-feature-settings: "tnum" 1;

Information

Technical specifications

Everything you need to know about Sunghyun Sans.

Name: Sunghyun Sans
Families: Std, KR, JP, Disambiguated
Weights: 9 (Thin 100 to Black 900)
Formats: OTF
Glyphs: ~3,190 (Std), ~14,716 (KR), ~22,926 (JP), ~23,400 (Disambiguated)
Scripts: Latin, Cyrillic, Greek, Vietnamese, Korean, Japanese, Chinese
License: SIL Open Font License 1.1
Based on: Inter (Rasmus Andersson), Pretendard (Kil Hyung-jin), Source Han Sans (Adobe), M PLUS 1p (Coji Morishita)

License & Pricing

Free and open source

Sunghyun Sans is licensed under the SIL Open Font License 1.1. Use it freely in any project, personal or commercial, print or digital.

Free forever

No cost, no catch, no strings attached.

Read the full license

What you can do

Use in personal and commercial projects
Embed on websites via CSS @font-face
Bundle with applications and software
Modify and create derivative fonts
Redistribute freely

License terms

Cannot sell font files on their own
Derivatives must remain under OFL
Don't use the reserved font name for modified versions

FAQ

Frequently asked questions

Common questions about using Sunghyun Sans.

Is it safe to use in client projects?

Yes. Sunghyun Sans is licensed under the SIL Open Font License 1.1, which permits use in any personal, commercial, print, or digital project at no cost.

How did you build it?

Used Glyph 3 App and added rounded filters. Experimented with Claude to find the right radii.

Are you not concerned about copyright infringement from Apple?

No. Sunghyun Sans is built on top of open-source fonts (Inter, Pretendard, Source Han Sans, M PLUS 1p) and does not contain any proprietary Apple font data. The rounding is applied independently using Glyph 3.

Start designing with Sunghyun Sans

Start designing with beautiful multilingual typography.

Download Font View Specimens