↔
Native Host Setup
A small Windows component that lets the Chrome extension communicate with the local conversion engine through Native Messaging.
For the Chrome extensionChrome extension + Native Host + standalone GUI
YouTube audio,
converted locally to FLAC.
QueryBot supports both one-click conversion from Chrome and direct URL conversion in a standalone Windows GUI. Conversion, your FLAC library, and HiBy transfer can be managed in one workflow.
QueryBot FLAC Converter● Online
♪ FLAC Converter
◉ FLAC Convert
▤ FLAC Library
⇧ HiBy Player
⚙ Settings
YouTube FLAC Conversion
Convert a single video or playlist to FLAC.
YouTube URL
https://www.youtube.com/watch?v=...
✓ FLAC conversion completeTags and cover art saved · Ready for HiBy
✓
Standalone GUIPaste URLs without the browser extension
THREE PARTS
Three separate components
The Native Host installer and the standalone GUI are different programs. Install only what matches the way you want to use QueryBot.
▣
Standalone GUI app
A Windows desktop app for pasting YouTube URLs directly, converting single videos or playlists, managing your FLAC library, and sending files to HiBy.
Use without the extension◇
Chrome extension
Send the current YouTube video to the local Windows side without copying the URL manually. The Native Host is required for this flow.
Directly from YouTubeHOW IT WORKS
Light in the browser, processed on your PC
▶
YouTube / ChromeChoose the current video or a playlist→
↔
Native HostPass the browser request to the local Windows engine→
♪
FLAC + HiByConvert, tag, manage, and transferDESKTOP LIBRARY
More than conversion: manage the files too.
The standalone GUI lets you review converted FLAC files, play them, edit tags and filenames, and manage HiBy transfer status.
✓Select only the playlist tracks you want
✓Check local and HiBy duplicates
✓Edit title, artist, album, and cover art
✓Send over HiBy Wi‑Fi and check status
FLAC LibraryCheck HiBy status
File / titleArtistHiBySize
Live Session.flacArtist A✓ Sent42 MB
Favorite Song.flacArtist B— Not sent36 MB
Playlist Track.flacArtist C✓ Sent51 MB
Choose how you want to use QueryBot.
Use it directly from Chrome or paste a URL into the standalone GUI.