Browser Extension

SparkLine
Chrome Extension

Add any YouTube creator to your SparkLine roster without leaving YouTube. One click on any channel or video page — your roster updates instantly.

Free for all SparkLine users — Starter, Pro, and Agency Pro.

How It Works

Add creators from YouTube in one click

Browse YouTube naturally. When you find a creator you want to track, click the SparkLine button — no tab switching required.

01

Install from Chrome Web Store

Click 'Install Free on Chrome' above — it opens the SparkLine listing on the Chrome Web Store. One click to install, no developer mode needed.

02

Browse YouTube normally

Visit any YouTube channel page or video page. The SparkLine extension detects the page type automatically and injects the Add to My Creators button into the page UI.

03

Click to add to roster

Hit the green Add to My Creators button. The extension sends the channel URL to the SparkLine API and adds the creator to your My Creators roster instantly.

Supported Pages

Works on every type of YouTube page

Channel Pages

Visit youtube.com/@channelname or youtube.com/channel/... — the extension detects the channel and shows the Add to My Creators button in the channel header area.

Video Pages

Visit any youtube.com/watch?v=... video page — the extension extracts the uploader's channel and shows the button below the video player.

Instant Sync

Added creators appear immediately in your SparkLine My Creators roster — no page refresh needed on the SparkLine side.

Manifest V3

Built on the modern Chrome Extension Manifest V3 standard for performance, security, and forward compatibility with Chrome's evolving extension platform.

Installation

Install in under 30 seconds

Option A — Chrome Web Store (recommended for all users)
1

Click Install Free on Chrome

Hit the button at the top of this page — it opens the SparkLine listing directly in the Chrome Web Store.

2

Click Add to Chrome

On the Web Store page, click the blue 'Add to Chrome' button. Chrome will confirm the permissions and install in seconds.

3

Pin the extension

Click the puzzle icon in Chrome's toolbar and pin SparkLine so the button is always visible.

4

Browse YouTube

Visit any YouTube channel or video page. The green Add to My Creators button will appear automatically.

Option B — Manual install (developer / self-hosted)
1

Open Chrome Extensions

Go to chrome://extensions/ in your Chrome browser address bar.

2

Enable Developer Mode

Toggle the Developer mode switch in the top-right corner of the Extensions page.

3

Load Unpacked

Click Load unpacked and select the chrome-extension/ folder from the SparkLine project directory.

4

Pin the extension

Click the puzzle icon in Chrome's toolbar and pin SparkLine so the button is always visible.

5

Browse YouTube

Visit any YouTube channel or video page. The Add to My Creators button will appear automatically.

What the extension does

Detects YouTube channel pages and video pages automatically
Injects Add to My Creators button without modifying YouTube's UI permanently
Extracts channel URL and sends to SparkLine API on click
Works on channel pages: youtube.com/@handle and /channel/...
Works on video pages: youtube.com/watch?v=...
Manifest V3 — modern, secure, low-performance-impact architecture
No data collected except the YouTube channel URL on click
Creator appears immediately in My Creators after click

Start building your creator roster

Install the Chrome Extension and add creators from YouTube with one click — then run a full SPARK analysis on any of them.