Settings
Choose what All-in-One changes on YouTube. Changes are saved and applied right away.
Most used
No settings found. Try “volume”, “key” or “Shorts”.
Player
How videos play and how the progress bar looks.
SponsorBlock
Automatically skips sponsors, intros and other segments reported by the community.
Data provided by the SponsorBlock community project (sponsor.ajay.app).
Tools & extras
Adds a Tools button to the player: screenshot, audio boost, rotate/zoom, picture settings, audio only, sleep timer.
The Tools and “A‑B” buttons appear in the player bar.
Slowed + Reverb
Slows music down and adds reverb for a dreamy, lo-fi feel.
The effect applies to the current video and the next ones while it's on. You can also adjust it live from the player's Tools button.
Hide distractions
Hide the parts of YouTube you don't want to see. Nothing is deleted, just hidden.
Filters & thumbnails
Hide videos by length and add useful info under thumbnails.
Comments
Show only comments in your language and get a quick mood summary.
Watched videos & playlists
Remembers what you've watched so you can spot it at a glance.
Continue watching
Remember where you stopped in every video
Focus timer
Set a daily YouTube budget and get break reminders while you watch.
Timestamped notes
Timestamped notes under each video — Alt+N
Press Alt+N while watching to add a note at the current moment. Click a note's time to jump back to it. Notes stay on this computer and are included in backups.
Caption search
Search any word inside the captions — Ctrl+Shift+F
Click the magnifier in the player or press Ctrl+Shift+F while watching. Click a result to jump to that moment. “All my videos” only searches videos you've opened with captions.
Watch statistics
See how much time you spend on YouTube and on which channels. Stays on this computer.
Subscription folders
Sort your subscriptions into folders in YouTube's left menu.
Manage folders right inside YouTube: open the left menu, use “+ Folder” above your subscriptions, or hover a channel and click the folder icon to file it. Click “⋯” on a folder to rename it, change its color or add auto-sort keywords.
AI assistant
AI chapters, playlist tools and comment mood use the provider configured here.
With “Copy to my ChatGPT / Gemini”, no key is needed: the transcript is copied and the chat opens, then paste with Ctrl+V.
Dubbing & voice
Translates captions and reads them aloud in your language, in sync with the video.
The player's dubbing button translates the video's captions and reads them aloud, in sync. Without a local server, the browser's voice is used automatically.
Run tools/install-edge-tts.ps1 once
Run tools/install-pocket-tts.ps1 once
The Test button starts the selected voice engine through the local native host, then checks the audio. The first launch may download dependencies and models.
Translation isn't available on live streams.
Language learning mode
Learn a language with bilingual subtitles and a clickable transcript.
Turns on the A文 button in the YouTube player: bilingual subtitles, interactive transcript, sentence-by-sentence navigation and click-to-translate. Pick the subtitle language here.
Data
Back up your data, move it to another computer and bring in your past YouTube history.
How to get the file
- Open takeout.google.com
- Click “Deselect all”, then tick “YouTube and YouTube Music”.
- Click “All YouTube data included” and keep only “history”.
- Click “Multiple formats” and choose JSON for history.
- Create the export, download the .zip and unzip it.
- Pick Takeout › YouTube and YouTube Music › history › watch-history.json here.
Danger zone
These actions erase data and can't be undone.