Echo - Mac App by THEODORE HQ
Echo is a media memory for your Mac. This companion extension lets the Echo app see what you play in your browser - YouTube, Spotify, Apple Music, Tidal, SoundCloud and more - so you can jump straight back to it later from anywhere on your Mac.
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Extension Metadata
About this extension
What it does
- Notices what's playing in your browser (the title, artist and artwork the site already publishes) and tells the Echo app, so it shows up in your history.
- Lets Echo resume a browser track or video for you - reopening the tab and picking up right where you left off.
Private by design
- Everything stays on your Mac. The extension talks ONLY to the Echo app running locally on your computer (over localhost). It never sends anything to any external server, and there is no tracking, no analytics, and no accounts.
Requirements
- The Echo app for Mac (this extension does nothing on its own). Get it at theodorehq.com/echo.
- Notices what's playing in your browser (the title, artist and artwork the site already publishes) and tells the Echo app, so it shows up in your history.
- Lets Echo resume a browser track or video for you - reopening the tab and picking up right where you left off.
Private by design
- Everything stays on your Mac. The extension talks ONLY to the Echo app running locally on your computer (over localhost). It never sends anything to any external server, and there is no tracking, no analytics, and no accounts.
Requirements
- The Echo app for Mac (this extension does nothing on its own). Get it at theodorehq.com/echo.
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Permissions and data
Required permissions:
- Exchange messages with programs other than Firefox
- Access browser tabs
- Access your data for sites in the youtube.com domain
- Access your data for sites in the spotify.com domain
- Access your data for sites in the tidal.com domain
- Access your data for sites in the soundcloud.com domain
- Access your data for sites in the bandcamp.com domain
- Access your data for sites in the deezer.com domain
- Access your data for sites in the mixcloud.com domain
- Access your data for sites in the pandora.com domain
- Access your data for sites in the qobuz.com domain
- Access your data for sites in the audiomack.com domain
- Access your data for sites in the vimeo.com domain
- Access your data for sites in the twitch.tv domain
- Access your data for sites in the dailymotion.com domain
- Access your data for sites in the iheart.com domain
- Access your data for music.apple.com
- Access your data for music.amazon.com
Optional permissions:
- Access your data for sites in the youtube.com domain
- Access your data for sites in the spotify.com domain
- Access your data for sites in the tidal.com domain
- Access your data for sites in the soundcloud.com domain
- Access your data for sites in the bandcamp.com domain
- Access your data for sites in the deezer.com domain
- Access your data for sites in the mixcloud.com domain
- Access your data for sites in the pandora.com domain
- Access your data for sites in the qobuz.com domain
- Access your data for sites in the audiomack.com domain
- Access your data for sites in the vimeo.com domain
- Access your data for sites in the twitch.tv domain
- Access your data for sites in the dailymotion.com domain
- Access your data for sites in the iheart.com domain
- Access your data for 127.0.0.1:17893
- Access your data for localhost:17893
- Access your data for music.apple.com
- Access your data for music.amazon.com
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.0.3
- Size
- 62.88 KB
- Last updated
- 5 hours ago (Jun 24, 2026)
- Related Categories
- License
- All Rights Reserved
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
- Add to collection