Celexly 桜 · セレクスリー
Software that
blossoms.
Chrome extensions, Android apps, websites and AI agents, crafted with quiet care, like petals on snow, to make small teams move like big ones.
Built with modern, battle-tested tools
What we make 製品
Four main ways we power your business.
Every product is designed to do one thing exceptionally well, and to work beautifully together.
Chrome Extensions 拡張機能
Lightweight tools that live in your browser and save real time, every day.
Learn more →Android Apps アプリ
Native and cross-platform apps, from first sketch to the Google Play Store.
Learn more →Websites ウェブサイト
From snappy static sites to full dynamic platforms with custom backends.
Learn more →AI Agents 人工知能
Custom chatbots, copilots and automations powered by modern AI models.
Learn more →Sub Products 副製品
Everything else software we make outside our main product line, games, tools and utilities.
Learn more →Chrome Extensions 拡張機能
Your browser,
supercharged.
We design fast, focused extensions that remove friction from the work you do most. Built to Chrome's modern Manifest V3 standard, secure, private, and effortless to install.
- Productivity & automation tools
- Privacy-first, no bloat
- One-click install from the Web Store
- Custom extensions for your team
Android Apps アプリ
Your idea,
in every pocket.
We design and build Android apps, native and cross-platform, from first sketch to the Google Play Store. Fast, polished, and made to fit your business.
- Native Kotlin & cross-platform builds
- Clean Material Design interfaces
- Accounts, payments & notifications
- Published & maintained on Google Play
Websites ウェブサイト
From static
to fully dynamic.
Whether you need a beautiful brochure site that loads instantly, or a full-stack platform with a custom backend, databases and dashboards, we build it to fit your business, not a template.
Static Sites
Fast, secure, low-cost. Perfect for small businesses ready to look the part.
Dynamic Platforms
Full frontend + backend, user accounts, content management and integrations.
AI Agents 人工知能
Intelligence,
working for you.
Custom AI agents and assistants, chatbots, copilots and automations powered by modern language models, wired into your tools, your data and your brand.
- Support chatbots that answer from your docs
- Internal copilots for your team
- Agents that take action, not just chat
- Grounded in your knowledge, safely
Sub Products 副製品
Everything else
we grow.
Beyond our four main lines, a whole undergrowth of smaller software: browser games, handy utilities, tools and experiments. The extras that don't fit a box, all gathered in one place and growing all the time.
- Browser games & playable demos
- Handy utilities & micro-tools
- Experiments and one-off builds
- New sub products added all the time
Why Celexly 心
Big-company craft.
Small-team care.
We're a focused software studio building the digital tools modern businesses need. No bloat, no jargon, just well-made products and people who actually answer your emails.
Crafted 匠 · takumi
Every pixel and line of code is considered. We obsess over the details so you don't have to.
Practical 実 · jitsu
We build things that solve real problems and ship, not science projects that never launch.
Yours 和 · wa
Tailored to your business. We adapt to your workflow, brand and goals, not the other way around.
Let's build something
worth talking about.
Tell us what you need, an extension, an app, a website, or an AI agent. We'll get back to you fast.