We didn't build KaCa because the world needs another translation app. The real problem is: every translation interrupts what you're doing. KaCa translates in place, right on your screen. Your flow stays unbroken.
One less app switch. One less wait. One less time re-entering your state of mind. These micro-optimizations add up to real efficiency.
Recognizes text on screen and overlays the translation exactly where it belongs. No app switching. Your content and rhythm stay intact.
Translation appears in 0.3 seconds. Powered by our cloud engine, results return in real time. No loading spinners. No progress bars. Understanding should feel as natural as breathing.
Covering the world's major languages. Whether you're reading an English paper, Japanese manga, or Korean news, KaCa fits right in.
Chatting, working, and gaming all stay seamless. Translation doesn't steal your focus — it quietly appears, exactly when you need it.
Chatting with international friends? No need to jump out of the conversation to look up translations. KaCa overlays the translation in place — the conversation keeps flowing.
The hardest part of reading foreign content isn't the language — it's the constant "copy-switch-paste-wait" that shatters your reading flow. KaCa quietly places the translation between the lines.
Can't understand quest descriptions in a game? Don't want to interrupt your workflow for a foreign email? KaCa translates in place — your focus and rhythm never drop.
"Reading English papers used to be painful — not because of the language, but because copy-paste constantly broke my train of thought. KaCa puts the translation right between the lines."
"The worst part of communicating with Japanese clients was looking up translations mid-email and losing context. KaCa shows the translation directly in the email."
"The most annoying thing in foreign games is not understanding quest text. I used to screenshot and translate — now KaCa overlays it right on the game screen."
KaCa uses screen recognition technology to overlay translations directly in place. No need to select text, copy, switch apps, paste, or wait — all the steps that break your flow. KaCa eliminates them all.
KaCa supports 50+ languages, including English, Chinese, Japanese, Korean, French, German, Spanish, Russian, Arabic, Portuguese, Italian, and more.
Absolutely. KaCa does not upload or store your screen content. Translation text is processed through our cloud engine, and we never retain any user data or use your content for any other purpose.
Yes. KaCa uses a cloud translation engine to ensure quality and speed. Translations appear in 0.3 seconds — far faster than switching to a separate translation app and back.
If you run into any issues, use the "Feedback" feature inside the app, or email us at support@kaca.app. We'll respond within 24 hours.
That is what KaCa Translate is here to do.
Download on App Store