Blog
Practical guides, development insights and product design lessons from building an independent digital product studio.
Engineering
A technical breakdown of how Lumarc Studio built a suite of 63 developer tools that run entirely in the browser using static site generation, Web APIs and zero server dependencies.
Product Design
How Lumarc Studio approaches privacy-conscious product design across mobile apps, browser tools and web applications without sacrificing functionality.
Developer Guide
A practical guide to formatting, validating and debugging JSON data, covering syntax rules, common errors, nested structures and browser-based tools for everyday development work.
Developer Guide
A clear explanation of Base64 encoding, how it works, when to use it and common use cases including data URLs, API authentication and email attachments.
Product Design
Product design decisions behind Water Reminder, a calm Android hydration app that prioritises quick logging over gamification and social features.
Construction Guide
Step-by-step guide to calculating concrete quantities for slabs, including volume formulas, cement-sand-aggregate ratios, dry mix conversion and waste allowance.
Studio
Lessons from building Lumarc Studio as a solo product studio, covering product selection, technical architecture, launch strategy and sustainable development practices.
App Development
Complete guide to Google Play Store screenshot requirements, including sizes for phone, tablet and Chromebook, file format specifications, design best practices and common mistakes to avoid.
Construction Guide
A practical guide to calculating paint quantities for interior walls and ceilings, covering coverage rates, coat requirements, surface preparation and waste allowance.
Engineering
Practical lessons from developing, testing and publishing Water Reminder as an open source Android app on Google Play, covering architecture, testing, Play Store submission and community feedback.
