bratuka.dev · CS Student · Full-Stack Dev

Turning
theory into
practice.

Open-source developer tools and utilities. Built for privacy, speed, and people who actually use what they build.

Python Flutter / Dart Rust / Tauri C# / .NET Reverse Engineering AI / ML Blender / 3D

Featured Tool

PDF Dark Mode Converter

The privacy-first, browser-native PDF theming tool. No uploads. No accounts. Just dark PDFs.

pdf-dark-mode-converter

Convert any PDF to dark mode in your browser - free, instant, private.

Open Source No Upload Offline Ready 16+ Themes

16+ Built-in Themes Dracula, Nord, Solarized, Monokai, Tokyo Night, Rosé Pine, and more.

GPU-Accelerated Parallel page processing with GPU color transforms - a 50-page PDF in seconds.

100% Private Your files never leave your device. Works completely offline after first load.

Searchable Output Invisible text layer preserved - PDFs remain selectable and searchable.

Custom Colors Pick any hex color with the built-in picker. Toggle dark or light output.

Zero Limits No sign-up, no watermarks, no page caps, no file-size restrictions.