CAST TO SONOSBrowser → Sonos • Frame Sync • Stereo

Stream Any Tab to Your Sonos. Instantly.

High‑quality, low‑effort casting from Chrome to Sonos with automatic frame sync, dynamic visuals, and optional premium stereo up to 320 kbps.

Automatic Video SyncStereo (Premium)Worker OffloadAdaptive UIDark Mode
Seamless Integration

Built Like a Native Sonos Experience

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Household & Device Selection

Choose any household or device quickly—perfect for multi‑room setups.

🎯

Automatic Video Sync

Frame sync measures device delay & aligns playback to remove perceived AV lag.

🎨

Dynamic Color Matching

UI adapts its background based on the active tab for a cohesive look.

🌙

Dark Mode & Theming

Designed for low‑light comfort without sacrificing contrast.

🖼️

Rich Player Presence

Artwork + logo appear within Sonos app for a unified playback surface.

🎚️

Full Transport Control

Play, pause, volume—from either extension or Sonos app.

The extension runs a lightweight capture + encode pipeline and cleanly integrates with your Sonos session. Visual adaptation and frame sync logic are isolated so regular browsing stays fast.

Latency
Auto‑measured
Quality
128–320 kbps
Modes
Mono / Stereo
Worker
Offloaded
Premium Audio

Upgrade for Fidelity & Stereo Depth

Free users enjoy reliable mono casting at 128 kbps. Premium unlocks stereo streaming up to 320 kbps plus enhanced sync control for a more cinematic experience.

  • Stereo up to 320 kbps
  • Automatic frame sync
  • High quality encoder path
  • Worker‑thread isolation
  • Priority improvements
  • Early feature access
Onboarding

Getting Started Fast

  1. Install the extension from the Chrome Web Store.
  2. Open any audio or video site (YouTube, podcasts, web players).
  3. Click the Cast to Sonos icon and select your device.
  4. Playback starts—adjust volume or frame sync in options.

Need help? See the Installation Guide or watch the Video Tutorial.

Privacy

Your Privacy, Engineered In

🔐

Secure Sign‑In

Auth happens on the official Sonos site—we never see your password.

🧪

Minimal Storage

Only a short‑lived access key & lightweight analytics required for operation.

🧹

One‑Click Reset

Right‑click → Options → Clear data. Instantly revoke keys via Sonos account.

⚙️

Optional Front‑End Scripts

Disable UI adaptation for maximum minimalism—performance impact is already negligible.

Plans

Flexible Plans for Every Listener

Free

$0/mo

Perfect for getting started

  • 128 kbps mono audio quality
  • Video sync included
  • Unlimited streaming
  • All websites supported
  • Basic support
Select Plan
Popular

Stereo Streaming

$2.99/mo

Most popular choice

  • 192 kbps stereo audio quality
  • Video sync included
  • Unlimited streaming
  • Multi-speaker support
  • Priority support
Yearly$29.99
Lifetime$299.99
Select Plan

Hi-Fi Premium

$4.99/mo

Professional-grade streaming

  • 320 kbps stereo audio quality
  • Video sync included
  • Unlimited streaming
  • Multi-speaker support
  • Premium support
Yearly$49.99
Lifetime$499.99
Select Plan
History

Changelog Highlights

1.17
  • Fixed compatibility issue with YouTube and other websites that have strict Content Security Policies (CSP)
  • Extension now works reliably on YouTube and similar sites with enhanced security settings
1.16
  • Added support for multiple plans
  • Better options for user-feedback
1.15
  • Added automatic frame sync to eliminate audio-video delay when watching videos
  • Added stereo audio streaming support for premium users (up to 320 kbps)
  • Added frame sync settings in options - disable, static delay, or automatic measurement
  • Fixed websocket cleanup issues on stream stop
  • Improved resource cleanup and memory management
  • Fixed encoder cleanup and disconnect handling
  • Better error handling for websocket connections
1.14
  • Upgraded to carbon-neutral hosting with dedicated servers in Europe and the US for faster, more stable connections
  • Improved connection timeout handling - reduced failed connection attempts and error messages
  • Enhanced server selection - the extension now automatically chooses the best server based on your location for optimal performance
  • Added future support for streaming local audio files directly from your computer to Sonos speakers
  • Better error messages that are more helpful when streaming fails due to website restrictions
  • Upgraded to Node.js 24 for improved performance and security
  • Added automatic server health monitoring and failover capabilities
  • Improved extension startup time and reduced memory usage
  • Enhanced compatibility with more websites and audio sources
  • Added custom streaming endpoint option in settings for advanced users
  • Better handling of network interruptions and automatic reconnection
  • Improved audio quality and reduced streaming interruptions
  • Enhanced deployment automation for faster updates and bug fixes
1.13
  • Fixed a storage limit issue which rendered the extension unusable for users with multiple households and/or devices
  • Improved error logging
  • Changed the extension description
  • Removed unnecessary foreground logging which caused clutter in the console

Full detailed changelog available at the Chrome Web Store.

Support

Need Help?

Check installation guide, tutorial video, or contact support@casttosonos.com. We ship frequent updates guided by real user feedback.

Make Your Browser a Sonos Source

Skip the hacks and brittle workarounds—Cast to Sonos gives you a fast, private & high‑quality streaming bridge designed for real everyday use.

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