Kaisei Opti

OFL Regular Medium Bold

Tagged “OFL”: SIL Open Font License applies

Commercial design use is allowed; standalone sale of font files is not.

View license guide →

Sample text

优秀的字体设计能够通过精心构建的字形传达意义、情感与文化,使书面信息既清晰易读,又具有独特的视觉表现力。

Live preview and custom text below

Kaisei Opti

Designer: Font-Kai, 金井和夫
File font (3)
Download WebFont KitWOFF2, CSS, demo & license summary

Download options

Sign in to email a download link (no attachment) Sign in

Anteprima multilingue font

18px
优秀的字体设计能够通过精心构建的字形传达意义、情感与文化,使书面信息既清晰易读,又具有独特的视觉表现力。

File font

3 files

Download options

Sign in to email a download link (no attachment) Sign in

RegularTTF
KaiseiOpti-Regular.ttf
4.27 MB
MediumTTF
KaiseiOpti-Medium.ttf
4.07 MB
BoldTTF
KaiseiOpti-Bold.ttf
4.06 MB

Supporta 81 lingue

Supporta 3 scritture

Sistemi di scrittura

Not sure if it is Kaisei Opti? Identify the font from an image

Use the free FontHubs font identifier: sign in, upload a poster, logo, or screenshot, then preview and download similar fonts with license hints.

Licensing & Core Factoid Summary

Kaisei Opti is a Senza grazie (Sans-serif) typeface designed by Font-Kai, 金井和夫, published under Open Source (SIL OFL) (Official License). Includes 3 weight(s)/style(s). Last verified: 2026-06-13.

License Type Open Source (SIL OFL)
Commercial Rights Open Source · Commercial & Derivative Allowed
Designer / Foundry Font-Kai, 金井和夫
Web & App Embedding Allowed in CSS & App Bundles

About This Font

Kaisei Opti is a modern sans-serif typeface designed by Font-Kai and Kazuo Kanai, released under the SIL Open Font License (OFL). It supports Simplified Chinese, Latin, Greek, Cyrillic, Japanese, and English scripts, making it a versatile choice for multilingual projects. With clean, geometric letterforms and a subtle humanist touch, Kaisei Opti balances readability with a contemporary aesthetic, ideal for digital interfaces, branding, and editorial design.

Key Features

  • Clean, geometric sans-serif design with a warm humanist influence
  • Supports Simplified Chinese, Japanese, Latin, Greek, Cyrillic, and English scripts
  • Available in three weights: Regular, Medium, and Bold
  • Optimized for both print and screen use with clear legibility at small sizes
  • Licensed under the SIL Open Font License (OFL) for free use, including commercial projects

Recommended Use Cases

Modern branding and logo design requiring a clean, approachable sans-serif Multilingual website or app interfaces needing consistent typography across Chinese, Japanese, and Latin scripts Editorial layouts such as magazines or reports that blend Chinese and English text Packaging design for products targeting East Asian and global markets Signage or wayfinding systems where clarity and neutrality are key

Font Information

Font Family
Kaisei Opti
Tipo di font
Sans-serif
Designer
Font-Kai, 金井和夫
Foundry
KAZUO KANAI
Licenza
OFL
File Formats
TTF
Font Weights
Regular, Medium, Bold
Dimensione file
4.27 MB
Data di rilascio
2025-05-16
Last Updated
2026-06-13

Copyright

Copyright 2020 The Kaisei Project Authors (https://github.com/Font-Kai/Kaisei) This Font Software is licensed under the SIL Open Font License, Version 1.1. This license is available with a FAQ at: https://scripts.sil.org/OFL

Official license URL (external)

https://scripts.sil.org/OFL

Tag

kaisei opti Medium Regular Sans-serif Bold Greek giapponese 简体中文 Cyrillic

Frequently Asked Questions

Is Kaisei Opti free for commercial use?
Under the listed "OFL" license, Kaisei Opti may be used in commercial projects when you follow the license terms. Review the full license on this page before downloading. You can also read our license guide: /it/licenses/ofl.
Which languages does Kaisei Opti support?
Based on character-coverage data, Kaisei Opti primarily supports: giapponese, 简体中文, 繁体中文. Exact glyphs depend on the font files—check the language coverage section on this page.
Does Kaisei Opti support Chinese characters?
Yes. Kaisei Opti includes Chinese character coverage (subject to the actual glyph set in the font files), suitable for Chinese UI and content.
Can I embed Kaisei Opti on my website?
Yes, the OFL permits web embedding via @font-face or CSS, as long as the font is not sold standalone and the license terms are respected.
What file formats are available for Kaisei Opti?
Kaisei Opti is available in TTF (TrueType Font) format, compatible with most operating systems and design software.
How many weights does Kaisei Opti include?
Kaisei Opti offers three weights: Regular, Medium, and Bold, providing flexibility for hierarchy and emphasis.

Articoli correlati

Recommended Tools

A collection of practical tools to improve work efficiency