Jakub Juliš

apps webs labs

WebP Converter Fuel Calculator

Easy WebP

macOS app that converts images to WebP format. Drag-and-drop batch conversion with a simple quality slider.
stack: SwiftUI • AppKit • Swift-WebP
tools: Xcode • Affinity Designer & Photo • Icon Composer & SF Symbols

Easy WebP preview 1

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The Fuel Calculator

iOS app that calculates trip cost and efficiency for both gas cars and EVs. Split costs, add a return trip, and get totals in seconds.
stack: SwiftUI • UIKit • StoreKit 2 + AdMob • Fastlane
tools: Xcode • Affinity Designer & Photo • Icon Composer & SF Symbols

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Cultural Project Mental Health Clinic Travel Agency Eco Housing Martial Arts Club

Osobnosti Bardejova

Community-led book project documenting the people who shape the city. Built around participation – it explains the project clearly, then guides visitors straight into submitting a nomination.
stack: HTML • Tailwind CSS • JavaScript
services: Search Console
tools: Affinity Photo

Osobnosti Bardejova preview 1

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osobnostibardejova.sk

Resilience Care

Website for a clinical psychology and psychotherapy clinic. Single-page brochure built for trust – credentials, evidence-based approaches, pricing, reviews, and a clear “Book a session” CTA.
stack: HTML • CSS • JavaScript
services: Search Console
tools: Affinity Photo

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resiliencecare.sk

Juliš Travel

Website for a travel agency specializing in guided tours across Europe. Designed to be easy to use – quick access to tours, pricing info, and a single, guided reservation form.
stack: WordPress • PHP • HTML • CSS • JS
services: Search Console • Independent Analytics
tools: Affinity Designer & Photo

Juliš Travel preview 1

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julistravel.sk

Eco House

Marketing site for timber construction and wooden homes. Owner-friendly publishing workflow – new project galleries can be published quickly, with reCAPTCHA cutting contact form spam.
stack: WordPress • PHP • HTML • CSS • JS
services: reCAPTCHA • Automated posts • Search Console
tools: Affinity Designer & Photo

Eco House preview 1

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ekodomcek.com

Aikido Dojo Suchdol nad Odrou

Website for a martial arts club based in Czechia. Structured for newcomers and members – beginner course info and sign-ups, training schedules, seminars, downloads, and photo/video galleries.
stack: WordPress • PHP • HTML • CSS • JS
services: GA4 • Tag Manager • Clarity • Facebook Pixel • Search Console
tools: Affinity Photo

Aikido Dojo preview 1

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aikido-suchdol.cz

Chrome Extension Prescription Planner Quiz Builder Teammate Finder

X Windowed Fullscreen

Makes videos and live streams on X fill the browser window without entering system fullscreen.
stack: HTML • CSS • JavaScript

X video filling the browser window with the extension popup open

Windowed fullscreen button added to the X video player

Live broadcast filling the browser window on X

Configurable keyboard shortcut in the extension popup

GIF filling the browser window on X

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Prescription Planner

Tool for planning gluten-free food prescriptions in Slovakia.
stack: HTML • CSS • JavaScript

predpis.julis.sk

EZ QZ

Web app for creating and sharing quizzes. Build in a drag-and-drop editor or generate with AI, then share a link – quiz takers can answer instantly without an account while you track attempts and results.
stack: PHP • MariaDB • HTML • CSS • JS
services: Google OAuth • DeepSeek API

EZ QZ preview 1

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ezqz.julis.sk

CS2GETHER

Teammate and team discovery platform for Counter-Strike 2 players. Build a profile with roles, maps, and ELO, then swipe to match and chat in real time.
stack: TypeScript • React • Next.js • Tailwind CSS • Prisma • PostgreSQL
services: Steam OAuth • Stripe • Vercel