I Built a Security Scanner That Audits PDFs Before You Send Them. Here's How. [Devlog #10]
All tests run on an 8-year-old MacBook Air. You're about to email a contract. It looks clean. But it still has your name, your machine's hostname, the…
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Adding AI Error Analysis to a macOS Menu Bar App with Gemini API
When a monitored script fails, most tools just show you a red icon. HiyokoBar does something better: it automatically sends the error output to Gemini…
I Built and Shipped a $39 macOS App in One Day (Here's How)
Yesterday I had an idea. Today it's on Gumroad making money. Here's exactly how I shipped HiyokoBar — a menu bar HUD for engineers — in a single day. …
Building a Windows yt-dlp GUI with Tauri, React, and Rust
I built HalalDL because I wanted a Windows-first desktop workflow for yt-dlp that did not hide what yt-dlp was doing. yt-dlp is already powerful. The …
32 Days, One Dev, One App to Replace Them All
Imagine walking into your garage, locking the door, and telling yourself: I am going to build a Formula 1 car. Alone. From scratch. No factory. No eng…