SmoothTube wiki
A less annoying setup guide.
SmoothTube uses credentials you create in Google Cloud so its native Windows interface can request YouTube data for you. The setup is a one-time handoff between you, Google, and your PC.
Short version: install the app, create your own YouTube Data API access, paste the values in Settings, and sign in only if you want subscriptions or account features.
Guides
One-time Google setup
Friendly walkthrough for API key, OAuth desktop client, test user, and entering credentials in SmoothTube.
Troubleshooting
Subscriptions not loading, missing videos, quota limits, playback restrictions, and sign-in issues.
Browser extension
Open supported YouTube video links in SmoothTube from Edge or Chrome while keeping YouTube Music in the browser.
What to expect
Playlists and queues
When signed in, Library shows playlists owned by your YouTube channel, including private playlists, alongside public playlists you save locally for quick access. Channel pages can show public playlists published by that channel. SmoothTube can create, rename, reorder, or delete your own playlists and add or remove videos only when you choose the corresponding action. The separate SmoothTube Queue is stored locally, survives app restarts, and can be dismissed at any time.
Interests and watched videos
The optional interest feed searches public video metadata using keywords you manage and refreshes its local cache hourly. Watched status is stored by YouTube video ID on your device, appears wherever that video is shown in SmoothTube, and can be changed from a video's context menu. These newer features may appear only after the corresponding Microsoft Store update completes certification and rollout.
Why Google Cloud appears in the setup
Google requires apps that read YouTube account data to use Google API credentials. SmoothTube lets you create your own credentials so your key and sign-in tokens can stay on your Windows device.
Is this developer stuff?
It looks like it, but you only need a small project, one enabled API, and one desktop sign-in client. You do not need to deploy anything, write code, or pay for a server.
Will it cost money?
Most personal use should stay within Google's free YouTube Data API quota, but Google controls quota policies. SmoothTube cannot guarantee Google will never change limits, screens, or wording.
Legal links
SmoothTube is independent and is not affiliated with, endorsed by, sponsored by, or operated by Google LLC or YouTube LLC. YouTube, Google, Windows, and related marks belong to their respective owners.