Use the extension button on a YouTube page.
1. Native Host Setup→2. Chrome extension→3. Run on YouTube
Installation depends on how you want to use it.
The Chrome workflow and GUI workflow are separate. You can use both, or use the GUI by itself.
Open the Windows app directly without the browser extension.
1. Install GUI app→2. Paste URL→3. Convert to FLAC
Detailed Chrome setup
Install the Native Host
Run QueryBotAudioSetup.exe from the download page.
Install the Chrome extension
Add the QueryBot extension from the Chrome Web Store.
Open a YouTube page
Run the extension on the video you want to convert.
Local conversion
The request passes through the Native Host to the local Windows engine.
Detailed GUI setup
Install the GUI app
Download the separate GUI installer and install it on Windows.
Paste the URL
Paste a video, Shorts, or playlist URL into the input field.
Convert to FLAC
Convert a single video or select the tracks you want from a playlist.
Library / HiBy
Review saved files, edit tags if needed, and send files to HiBy.
Windows SmartScreenUnsigned installers may trigger an “Unknown publisher” warning. Verify that the file comes from querybot.kr.