At 4K Download, I worked across desktop applications, the marketing website, and subscriptions, connecting product UX, brand, and design systems across the product family.

Desktop applications

As Senior UI/UX Product Designer, I redesigned five complex applications for Windows, macOS, and Ubuntu, bringing more structure to interfaces that carried years of legacy decisions.

By 2020, I had formulated hypotheses about market demand and defined core features for 4K Tokkit and 4K Image Compressor. This was concept work ahead of their later public launches.

I built a team of three designers and created a design system with 100+ components, reducing the UI release cycle from approximately three weeks to ten days. Using Figma and AI, I reduced asset preparation time from approximately five days to two; the AI-assisted work was part of my later project involvement.

Across the desktop work, I proposed an embedded browser and a shared control panel, and integrated AI post-processing. These features and workflows improved activation and retention. Through experimentation, paywall conversion increased from 3% to 6.8%.

The product family has a cumulative user base of over 60 million across 190 countries.

4K Video Downloader ranked No. 1 in TechRadar’s roundup of free YouTube downloaders, and was featured in PCMag and Digital Trends.

Website and subscriptions

My work at 4K Download also included the website and subscriptions. As Head of Design, I owned the marketing site, subscription surfaces, and the design system that kept marketing and product aligned.