I'm Rizal. I build software like BagiPDF, a secure offline PDF editor and converter, and Novenaku, a Catholic prayer app for Android. Usually it's because I need something, can't find something that feels right, or become curious enough about a problem. No startup thesis. No growth plan. Just useful software, interesting problems, and a preference for things that stay simple.
Every project starts with a problem, a question, or occasionally just curiosity. Some become useful. Some become experiments. Some stay small. That's okay.
A powerful offline PDF toolkit for Windows and Ubuntu. BagiPDF lets you split, merge, convert, protect, and lock PDF files locally — without sending documents to a cloud service. Built for offline workflows with zero telemetry, ensuring your sensitive documents stay strictly on your device.
A minimalist Android application built around daily prayer, the Holy Rosary, Novenas, and finding local Catholic churches. It includes more than 100 traditional prayers, 50+ Novenas, daily Rosary guidance, and information for hundreds of parishes across Jabodetabek. Built as a personal project and shared openly.
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I've spent years building and operating software around security, infrastructure, internal systems, and small tools.
That experience made me appreciate something simple: software doesn't always need to become a company. Sometimes a small tool is enough. Sometimes the best outcome is learning how something works. Sometimes making something useful for ten people is more satisfying than trying to make something impressive for ten thousand.
So I build small things, document what I can, release what feels ready, and let the projects find their own size.
This isn't a software shop. But if you're working on a small technical problem, an interesting idea, or something that doesn't quite fit into an existing tool, you're welcome to write. Maybe I've built something that helps. Maybe I can point you toward something that already exists. Maybe we'll discover that the problem is more interesting than the solution. Either way, I'm happy to have the conversation.