We definethe undefined.
From a vague idea to a finished product. We build web apps, platforms, books, and browser extensions that people love to use.
- 11
- products live
- 3
- Chrome extensions
- ∞
- ideas in the pipeline
// work
Products we've defined
Eleven products live — from SaaS platforms and health portals to books and Chrome extensions. Each one started as an undefined.
Showing 11 projects.
// what we do
One studio, the whole stack
From the first line of code to launch — design, engineering, and everything in between.
Product development
Full-stack web apps on Next.js, React, and the modern edge — from prototype to production.
› const product = build(idea)Platforms & SaaS
Multi-tenant platforms with real-time collaboration, billing, and dashboards that scale with the business.
› platform.scale({ tenants: '∞' })Design & motion
Interfaces with intent — typography, color, and motion systems that make a product feel alive and considered.
› ui.animate({ wow: true })Browser extensions
Chrome extensions that live where users already work — focused value, zero friction.
› chrome.runtime.ship()Books & content
Custom web readers and publishing experiences — accessible, adaptable, and built for hours of reading.
› reader.render(chapter)Performance & SEO
Core Web Vitals, semantic markup, and structured data baked in from day one — fast and found.
› lighthouse.score === 100// about
Why undefined?
In JavaScript, undefined is a value that exists but hasn't been given meaning yet — pure possibility waiting to be defined.
That's exactly where every product begins: as a vague idea, a blank field, a blinking cursor. Our job is to give it definition — through design, engineering, and attention to detail.
We're a small studio from Osijek building products for real people — people who stutter, tennis clubs, churches, parents, and teams estimating their AI spend.
Tomislav Matijević
founder & director
let idea // undefined
typeof idea // "undefined"
idea = undefined.define({
design: true,
engineering: true,
love: true,
})
idea // → shipped product ✓