Browser Extension — Chrome & Firefox

Download YouTube videos with one click

GreenGo Helper connects your browser to the GreenGo desktop app. Click any YouTube video and send it straight to GreenGo for instant download and processing.

Requires GreenGo desktop app · Works with any YouTube account

Step-by-step setup instructions

Follow these simple steps to install GreenGo Helper in your browser. Takes about 2 minutes.

1

Download

Download greengo-helper.zip and save it somewhere easy to find.

Download ZIP
2

Install in Your Browser

Chrome / Edge / Brave:

  1. Unzip the downloaded file
  2. Open the ⋮ menu → hover over Extensions → click Manage Extensions
Opening Chrome Extensions: click the 3-dot menu, hover over Extensions, then click Manage Extensions
  1. Enable Developer mode (top-right toggle), then drag and drop the unzipped folder into the page — done!
Enable Developer mode, drag the unzipped folder into the extensions page to install GreenGo Helper

Firefox:

  1. Go to about:addons → click the gear icon ⚙
  2. Select "Install Add-on From File..." → choose the ZIP file → click "Add"
3

You're All Set!

Pin the GreenGo extension in your toolbar (click the puzzle piece icon 🧩 → pin 📌). Now just browse YouTube and click "Download with GreenGo" on any video.

● Green dot = GreenGo is running  ·  ● Orange dot = GreenGo offline (videos will queue)

Seamless YouTube integration

GreenGo Helper makes downloading videos as easy as clicking a button. No copy-pasting URLs, no manual cookie management.

🎯

One-Click Download

Click the "Download with GreenGo" button on any YouTube video. The extension sends it directly to your GreenGo app.

🔐

Automatic Cookie Sync

Your YouTube session cookies are captured and saved locally. GreenGo uses them to authenticate downloads on your behalf.

📋

Download Queue

GreenGo offline? Videos are queued automatically and processed when the app comes back online.

Instant Detection

The extension detects when GreenGo is running and sends videos immediately. No waiting, no manual steps.

🎨

Native YouTube UI

Download buttons are injected directly into YouTube's interface, matching the native button style.

🔒

100% Local

All data stays on your computer. No remote servers, no tracking, no data collection whatsoever.

Three steps to instant downloads

Install once, download forever. GreenGo Helper handles all the technical details.

1

Install Extension

Add GreenGo Helper to Chrome or Firefox. Make sure the GreenGo desktop app is installed and running.

2

Browse YouTube

Visit any YouTube video. The extension automatically captures your session cookies in the background.

3

Click to Download

Hit the "Download with GreenGo" button. The video is sent to GreenGo and processed automatically.

Install GreenGo Helper

Available for Chrome and Firefox. Requires GreenGo desktop app (version 1.0 or later).

GreenGo Helper Extension

Free browser extension for GreenGo users

$ 0

Free with GreenGo · No subscription

One-click YouTube downloads
Automatic cookie synchronization
Offline download queue
Native YouTube UI integration
100% local — no data collection
Chrome & Firefox support
Download for Chrome Download for Firefox →

Requires GreenGo desktop app

Your data stays yours

GreenGo Helper is designed with privacy first. Here's what permissions we need and why.

🍪

Cookies

Reads your YouTube session cookies to authenticate downloads. Cookies are saved locally on your computer only.

📑

Tabs

Detects when you're on YouTube to show the download button and capture video information.

💾

Storage

Saves your download queue inside the extension so queued videos persist between browser sessions.

Alarms

Periodically checks if GreenGo is running to automatically process queued downloads.

Common questions

Do I need YouTube Premium?

No. GreenGo Helper works with any free YouTube account. Just make sure you're logged in to YouTube in your browser.

Does this work without the GreenGo desktop app?

No. GreenGo Helper is a companion extension that connects your browser to the GreenGo desktop app. You need both installed.

Is my data sent to any servers?

No. All data stays on your computer. The extension only communicates with the GreenGo app running locally on your machine (localhost:7291).

What happens if GreenGo isn't running?

Videos are automatically queued and will be processed when you start GreenGo. Nothing is lost.

Can I use this on multiple browsers?

Yes. Install the extension on Chrome, Firefox, or both. They all connect to the same GreenGo desktop app.

Ready to streamline your workflow?

Install GreenGo Helper and start downloading YouTube videos with one click.