Programs
Open-source projects and tools hosted on GitHub.
Windows utility · Free & open-source
A lightweight Windows utility for measuring sequential and random read/write speeds of any local drive (SSD, HDD, USB, SD card). Useful for verifying advertised speeds, comparing drives, and spotting failing storage.
Desktop GUI · Free & open-source
A Python desktop GUI for common PDF operations — merge, alternate-mix, split, compress, encrypt, page-to-image conversion, text extraction, and rotation. Built with CustomTkinter; ships with full English / 繁體中文 / 简体中文 interfaces (defaults to English).
Dependencies:
pip install customtkinter pypdf pdf2image Pillow
— plus
Poppler
on your system PATH for the PDF→image feature.
Desktop GUI + Web App · Free & open-source
A cross-platform multimedia downloader and format converter built on yt-dlp + ffmpeg. Ships with both a native desktop GUI (tkinter) and a browser-based web app (Flask) sharing the same core engine. Supports 500+ sites including YouTube, TikTok, BiliBili, Facebook, and Instagram. Audio extraction to MP3 / FLAC / AAC / WAV / OGG / M4A / Opus / WMA. Trilingual UI (English / 繁中 / 简中).
Dependencies:
pip install -r requirements.txt
(yt-dlp · Pillow · requests · Flask). Optional but recommended:
ffmpeg
on your system PATH for audio extraction & format conversion.
View all repositories and source code
All of my programs and open-source projects are hosted on GitHub. Click below to browse every available repository.