Phone photos can carry the exact spot where they were taken. See whether yours does and download a clean copy without the location, right in your browser.
Blog in English
Make a Wi-Fi QR code in your browser: enter the network name and password, pick the security type, then print it so guests join with one scan on iPhone or Android.
Make a vCard QR code in your browser: enter your name, phone, email and website, then print it on a business card so people save your contact with one scan.
Make a VietQR code for bank transfers in your browser: pick your bank, enter your account number, add an amount and note if you like, then print it.
A practical look at when AI agents are genuinely useful - and why a chatbot paired with a few simple automations may still be the better choice.
Sharing GiaPha-OS - a free open-source family tree application and some lessons learned while building it.
A reflection on building in public, early criticism, product visibility, and why imperfection can help products evolve.
Download links for Kyojuro Rengoku Demon Slayer wallpapers in horizontal and vertical screen sizes.
A short reflection on publishing an app to Homebrew, receiving user feedback, and building small tools that solve real problems.
A reflection on why onboarding, landing pages, and UX writing can be harder than coding for solo indie developers.
Why limiting features can become a product advantage, through the lens of Locket and minimalist social apps.
Clipboard access, privacy, and why great apps predict what users want instead of making them do unnecessary work.
A personal view on books, job interviews, and why the Book of Job in the Bible can be considered a great work.
A story about how blind and visually impaired people use technology, social media, and why accessibility deserves more attention in product design.
An introduction to DrugBank App, an app for looking up medicines, herbal ingredients and pharmacies from official data sources.
The story of Kaihogyo on Mount Hiei and a lesson about commitment, discipline and focus in work and in life.
A lighthearted collection of lessons from building mobile products, covering bugs, analytics, user feedback, and the realities of product development.
Practical considerations for choosing libraries in React Native and deciding whether Expo is the right fit for your project.
When carousels help, when they hurt, and why users often ignore them despite designers loving them.
An introduction to Optimistic UI-updating the interface before the server responds to make applications feel dramatically faster.
Lessons from rapidly building a hackathon team matching web app using Firebase, React, and a fully serverless stack.
A short introduction to react-recontext, a lightweight state management library inspired by Flux and built on React Context.
Everyday observations about product design, user expectations, and why creating interfaces for everyone is much harder than it seems.