Hello, こんにちは!

I am Mari from updit, a web app creator,
English↔︎日本語 localizer.
Making things make sense, whatever the language.

Around since the '90s. Paused. Now quietly back in 2026.

words in.
code out.
何かを作るって、
やっぱり楽しいね

Culture, always in the loop. I build small apps with AI — playful, useful, and occasionally niche on purpose. もとコピーライター、エディター、ディレクター…。職歴を語るとキリのない、橋渡し的表現者。AIの力を借りながら、アプリ開発も始めました。

Got an idea for a new app?
Want a working prototype built — source code and all?
Or just want to make something together?
新しいアプリのアイデア、フィードバック、動くプロトタイプ制作、
何か一緒に始めたい?
どんなことでも、まずは声かけてみて!

Let's talk anyway ご連絡はこちら

translation != localization

Thinking about entering the Japanese market? updit helps with strategy and creative grounded in over 10 years of Japanese advertising and promotional work — not just word-for-word translation.

  • 10+ Years in JP ad & promo
  • EN⇄JP Native-level localization
  • Direct 1:1 support

Services

  • Market-entry copy & messaging JA / EN
  • Inbound & tourism-facing content JA / EN
  • UI/UX localization review JA / EN
  • Brand voice adaptation JA / EN

Get in touch

Usually replies within 48 hours.
Based overseas — email is our main channel.