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SU YAOYONGleft a comment
Hi 👋 I'm the developer of this small Windows system audio recorder. I built it because I often record meetings and online courses to convert them into text later. The tools I used before added artificial noise in the free version, so I decided to build a simple alternative for my own workflow. This project was developed with AI + Codex as a coding partner. It records system audio directly and...

Simple System Audio Recorder for WindowsA lightweight Windows tool to record system audio
A lightweight Windows utility that records system audio directly from the sound card. I built it to record meetings and online courses without artificial noise. Developed with AI + Codex as a coding partner. Supports MP3 export (requires libmp3lame.dll). Download from GitHub releases.

Simple System Audio Recorder for WindowsA lightweight Windows tool to record system audio
SU YAOYONGleft a comment
If you're looking to try it right away, you can download the prebuilt Windows app here: https://github.com/suyaoyong/pdf-tools/releases/tag/v0.1.0 No Python installation is required — the app is fully packaged and runs offline. Happy to answer any questions or hear your feedback!
PDF ToolsA privacy-first offline PDF toolbox with no file size limits
SU YAOYONGleft a comment
Hi everyone 👋 I built PDF Tools because I often work with large or sensitive PDF files, and most online tools either fail on big files or require uploading documents. This is a local, offline desktop app that focuses on privacy and reliability. I’m sharing it here to get feedback and ideas for improvement. Happy to answer any questions!
PDF ToolsA privacy-first offline PDF toolbox with no file size limits
