From Translation to Proofreading

Natural translations with context
Nani explains nuance and alternative wording as it translates, so it is easier to choose the right phrasing.

Choose from a few tones
When it makes sense, Nani shows a few versions, like casual or more formal, so you can pick the one that fits.

Translate images quickly
Paste an image or drag it in to translate it. On Mac, dropping it onto the app icon works too.

Pick a style for the situation
Choose a style that fits the moment, from a chat with friends to a business email.

Proofread and polish with AI
Check typos, grammar, and phrasing, then get suggestions for a more natural version.
Draft replies with AI
Turn the message you received into a reply draft for chat, email, or DM.
Desktop app translates any text instantly
Translate in any app
With Desktop app, you can quickly translate text in any app using a shortcut.
Securely stored
All your translations stay safely on your device, so you can revisit them anytime.
FAQs
Nani is an AI translation tool that also helps with writing, proofreading, and communicating across languages.
Nani works in any modern browser—no special setup required.
The desktop app supports macOS 14 or later on Apple Silicon, and Windows. A Linux app is not available yet.
Nani’s interface is available in English, Japanese, Chinese, and Korean. Translation explanations are shown in the selected interface language.
You can translate from your language into the following 10 languages.
You can translate from over 100 languages into your language (English).
Proofreading mode and AI pronunciation support 34 languages.
Translation data are stored on your device and not on our servers. Our staff never have access to the text you input or the translated content.
We never repurpose or reuse your submitted data.
That makes Nani a reliable choice for business translation tasks, such as handling support inquiries and customer communication.
For translation and abuse detection, inputs are sent to Google, OpenAI, or xAI servers. These platforms may temporarily cache the data but automatically delete it shortly thereafter.
No. This applies to all plans, including the free plan. We only use services that explicitly state they will not use your data for model training. We also do not use your input or translation results to improve our service.
On the desktop app, you can use a shortcut to instantly translate or proofread selected text from any application.
Because of browser storage limits, the web version keeps your history only temporarily; the desktop version stores it locally so it’s always available.
Yes. The free plan includes both translation and proofreading, with limits on usage count and text length. Choose a paid plan for higher limits or more advanced AI models.
View pricing plans ->Currently, we support text and image translation. On the Mac and Windows apps, screenshot translation is also available with Pro / Team. We plan to support PDF translation in future updates.
Currently, dark mode is only available in the desktop app (Windows / macOS).
Yes, the Team Plan is available. With the Team Plan, you can manage members and billing through a dedicated dashboard, and share usage across the entire team.
Nani does not currently provide a public API for external services.
On the Mac and Windows desktop apps, you can open Nani from other apps or automation tools. For example, opening naniapp://translate?source=text starts a translation with the specified text.