YouTube-Line/CHROME_STORE_SUBMISSION.md

Chrome Web Store Submission Notes

Package: youtube-line-1.0.3.4-chrome-store.zip

Store Listing

Name: YouTube Line

Short description:

Locks the YouTube player timeline so progress stays visible while controls fade.

Detailed description:

YouTube Line adds a thin playback progress line to the bottom of the YouTube video player. It keeps video progress visible when the native YouTube controls auto-hide and lets users customize the line colors and height from the extension options page.

Features:

• Persistent YouTube playback progress line.
• Custom primary color, progress color, and line height.
• Runs only on youtube.com and www.youtube.com.
• No account, analytics, tracking, or external service.

This extension is not affiliated with YouTube or Google.

Suggested category: Accessibility or Productivity.

Privacy

Single purpose:

Display and customize a persistent playback progress line on YouTube videos.

Remote code:

No. All JavaScript and CSS used by the extension are packaged inside the extension.

Data usage:

The extension does not collect, transmit, sell, or share user data. It stores only the user's color and line-height preferences locally with chrome.storage.local.

Permission Justification

scripting

Used to inject the packaged content script and CSS into already-open YouTube tabs after the extension is installed or Chrome starts.

storage

Used to save the user's selected line colors and height locally.

Host permissions: *://youtube.com/*, *://www.youtube.com/*

Required to run the progress-line content script on YouTube pages only.

Reviewer Test Instructions

1. Install the extension.
2. Open any YouTube video page.
3. Wait for the YouTube controls to fade; the progress line remains visible at the bottom of the player.
4. Open the extension options page, change colors or line height, and save.
5. Reload or revisit the YouTube video page to confirm the customized line is applied.

Store Assets

• 128x128 store icon: use icons/128.png.
• Localized screenshots:
  • store-assets/youtube-line-screenshot-main-1280x800.png
  • store-assets/youtube-line-screenshot-options-1280x800.png
  • store-assets/youtube-line-screenshot-before-after-1280x800.png
• Global screenshots: use the same three store-assets/youtube-line-screenshot-*.png files.
• 440x280 small promo tile: store-assets/youtube-line-promo-small-440x280.png.
• 1400x560 marquee promo tile: store-assets/youtube-line-promo-marquee-1400x560.png.
• Privacy policy URL in the developer account or item privacy section.