I build websites, web apps and AI tools.
Full-stack developer. Through zoklaar.nl I build websites and custom software for businesses, and on the side I work on my own products such as Kapitol.ai and Voyd Wallpapers. Laravel, Next.js and Python, self-hosted on Linux.
I am Tijn, a full-stack developer from the Netherlands. I like building things people actually use: business websites, web shops, scrapers, automations and AI tools. Backend in Laravel or Python, frontend in Next.js and Tailwind, all deployed on a Linux server I run myself.
Through zoklaar.nl I help businesses get online fast and without hassle. Next to that I build my own products, such as Kapitol.ai and Voyd Wallpapers. Outside of work you will find me in the gym, or in the pub with friends.
A selection of products and tools I built from the ground up, from backend to deploy.
Track what US Congress trades
Platform that tracks stock trades by members of the US Congress in real time, scores them on insider signal strength and sends alerts so you can follow the smart money. Own scraper, scoring and dashboard.
Websites and software without the hassle
My own web studio: business websites for a fixed price, usually live within seven days, plus custom software and hosting. From the first call to delivery I do everything myself.
Handpicked 4K wallpapers for iPhone and Android
Wallpaper app with over 3,700 wallpapers reviewed one by one. Free to browse, HD downloads after an optional ad, Premium for ad-free 4K. The app, the backend on Cloudflare Workers and R2 and the subscriptions: all built myself.
From product photo to campaign visual with ComfyUI
School project for SynthGen (Fontys, February to June 2025): an open-source ComfyUI pipeline that turns a plain product photo into a commercial visual, built as an alternative to Bria ProductShot. Florence-2 describes the photo, the product is segmented, Flux Canny places it in the new scene, inpainting blends it back in and IC-Light relights it. Plus a second pipeline for virtual try-on. The tools have since moved on, the approach has not.
AI thumbnails for YouTubers
Started as a school project, launched out of curiosity as a paid product: click-worthy YouTube thumbnails from a prompt, a sketch or an existing thumbnail. Works well, but I never really marketed it. Going offline soon.
A project, a question or just saying hi? Send a message, I usually reply within one business day.
