Language & localization
Use Oleafly's desktop interface in any of 21 languages without changing the language of your manuscript.
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Oleafly’s desktop interface comes in 21 languages. Change it while the app is open: menus, settings, tools, messages and workspace controls update without a restart.
Choose an interface language
Section titled “Choose an interface language”- Open Settings → General.
- Find Language.
- Choose System or one of the languages below. Each is listed by its own name.
| Language | In the menu |
|---|---|
| English | English |
| Simplified Chinese | 简体中文 |
| Traditional Chinese | 繁體中文 |
| German | Deutsch |
| French | Français |
| Spanish | Español |
| Italian | Italiano |
| Dutch | Nederlands |
| Portuguese (Brazil) | Português (Brasil) |
| Polish | Polski |
| Russian | Русский |
| Ukrainian | Українська |
| Turkish | Türkçe |
| Czech | Čeština |
| Danish | Dansk |
| Swedish | Svenska |
| Norwegian Bokmål | Norsk bokmål |
| Finnish | Suomi |
| Romanian | Română |
| Japanese | 日本語 |
| Korean | 한국어 |
System follows your operating system. If your system language is close to one Oleafly has, it uses that one: Portuguese from Portugal shows Português (Brasil), and Norwegian shows Norsk bokmål. Choose a specific language when the computer’s language and the interface you want are different, or when a shared computer should keep Oleafly in one language.
What the setting changes
Section titled “What the setting changes”The language choice changes Oleafly’s own interface, including the Library, editor controls, Settings, Oleafly Tools, warnings, and recovery actions.
It does not translate:
- your
.tex,.typ,.md, or.bibfiles; - the compiled PDF;
- proofreading language or English dialect;
- replies from an AI assistant;
- compiler logs, package names, or metadata returned by outside services.
That separation is useful. You can write an English paper in a German interface, edit a Japanese document in an English interface, or ask an assistant to reply in a language that differs from both.
Set writing and proofreading languages separately
Section titled “Set writing and proofreading languages separately”For spelling and grammar, open Settings → General and choose the Spelling dictionary and English dialect you need. A few dictionaries come with the app and the rest download when you pick them. Grammar checks are English only. These settings are independent from the interface language. See Spelling, grammar & academic style.
For an assistant, state the output language in your request or save it in Custom instructions. The interface language does not rewrite your prompt or force the model’s reply language.
If one screen does not update after a language change, leave that screen and open it again. If a label remains untranslated, include the screen name and app version in an issue report.