etelej.com Apps
Apps that do one thing properly.
Developer tools and utilities built by Peter Etelej. Each one has a single job, stays out of your way, and respects your machine.
Featured app
WorktreeView
Code review UI for Git worktrees. Review any worktree, branch, or commit against the right base, read-only, without checking anything out. Built for developers running multiple coding agents in parallel.
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Small tools, sharp edges sanded off.
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CLI · Rust
Tree CLI
Directory visualizer for the terminal. Cross-platform, with depth control and customizable output. On the Microsoft Store and crates.io.
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SDK · Rust
Winpane
Windows overlay SDK for HUDs, interactive panels, PiP thumbnails, and tray icons. High-performance core with bindings for many languages.
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Web app
Audio Timer
Create custom timers that speak their notifications aloud when the countdown ends. Perfect for workouts and timed activities.
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Web app
GUID Generator
Generate and validate GUIDs in multiple formats: UUID v1, v3, v4, and v5, ready to copy in the shape you need.
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Web app
Image Assets Generator
Generate every image size from one source: app icons, PWA assets, social cards, and custom dimensions, instantly.
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Open source
And more on GitHub
Experiments, libraries, and tools in progress, published as they earn their keep.
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