YouTube Boost Chat

Full Replacement of YouTube Chat Message List

Versione datata 15/09/2025. Vedi la nuova versione l'ultima versione.

Dovrai installare un'estensione come Tampermonkey, Greasemonkey o Violentmonkey per installare questo script.

You will need to install an extension such as Tampermonkey to install this script.

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Userscripts per installare questo script.

Dovrai installare un'estensione come ad esempio Tampermonkey per installare questo script.

Dovrai installare un gestore di script utente per installare questo script.

(Ho già un gestore di script utente, lasciamelo installare!)

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

(Ho già un gestore di stile utente, lasciamelo installare!)

Autore
𝖢𝖸 𝖥𝗎𝗇𝗀
Valutazione
0 0 0
Versione
0.3.23
Creato il
15/12/2024
Aggiornato il
15/09/2025
Dimensione
215 KB
Licenza
MIT
Applica a

YouTube Boost Chat

  • Menu option: Ctrl Click the message please.

  • You might use YouTube Super Fast Chat to have smoother chatroom experience.

  • You might use YouTube RM3 to reduce memory usage.

Description

This is the full replacement of chat message list, like HyperChat.

We use the latest web technology called SolidJS for high efficient DOM tree handling.

You can feel the smooth update of messages with the least memory usage.

selector 參考

#items -> .bst-message-list

#message -> .bst-message-body

stylus / usercss 參考

original 原型

Example1 例1



    body .bst-message-list[class] {
        --bst-message-entry-pl:30px;
        --yt-live-chat-profile-icon-size:26px;
        --yt-live-chat-first-line-height:1.6;
        --yt-live-chat-emoji-size:  12px;
        --bst-author-badge-size: 12px;
    }
    .bst-message-body {
        display:block;
    }
    .bst-gift-message .bst-message-body {
        display: inline;
    }
    .bst-message-entry{
        font-size:8pt;
    }
    .bst-message-profile-holder{
        margin-top:2px;
        top:8px;

    }
    bst-tooltip {
        font-size: 8pt;
    }

Example2 例2

    body .bst-message-list[class] {
        --bst-message-entry-pl:14px;
        --yt-live-chat-profile-icon-size:20px;
        --yt-live-chat-first-line-height:1.6;
        --yt-live-chat-emoji-size:  18px;
        --bst-author-badge-size: 18px;
    }
    .bst-message-body {
        display:block;
    }
    .bst-gift-message .bst-message-body {
        display: inline;
    }
    .bst-message-entry{
        font-size:16pt;
    }
    .bst-message-profile-holder{
        margin-top:0px;
        top:0px;

    }
    body .bst-message-entry-highlight{
        left:-1.65rem;
        right:-1.65rem;
    }
    bst-tooltip {
        font-size: 10pt;
    }

Example3

    body .bst-message-list[class] {
        --bst-message-entry-pl:14px;
        --yt-live-chat-profile-icon-size:20px;
        --yt-live-chat-first-line-height:1.6;
        --yt-live-chat-emoji-size:  20px;
        --bst-author-badge-size: 14px;
    }
    .bst-message-head {
        font-size: 12pt;
    }
    .bst-message-body {
        font-size:16pt;
        display:block;
    }
    .bst-gift-message .bst-message-body {
        font-size: 12pt;
        display: inline;
    }
    .bst-message-profile-holder{
        margin-top:0px;
        top:0px;

    }
    body .bst-message-entry-highlight{
        left:-1.65rem;
        right:-1.65rem;
    }
    bst-tooltip {
        font-size: 10pt;
    }
    body .bst-message-profile-anchor{
        left: -6px;
    }

其他參數

  • --bst-author-badge-size: 16px;

  • --bst-author-badge-mb: .2rem;

  • --bst-default-text-color: #fff;

  • --bst-username-color: #a3e3e3;

  • --bst-list-pl: 20px;

  • --bst-list-pr: 20px;

  • --bst-list-pt: 8px;

  • --bst-list-pb: 8px;

  • --bst-list-gap: 10px;

How to use Stylus to make custom styling

You can customize the appearance of YouTube Boost Chat using the Stylus extension, even if you don’t know anything about coding!

🧩 Step 1: Install Stylus

Install the Stylus browser extension:

Once installed, you’ll see a small green “S” icon on your browser toolbar.


📝 Step 2: Create a new style for YouTube

  1. Go to YouTube in your browser.
  2. Click the Stylus “S” icon in your toolbar.
  3. Choose “Write style for: youtube.com”
  4. Copy and paste the full example below into the editor.
  5. Click Save.

✅ Step 3: Paste this example style

Here’s a working Stylus userCSS template. Just copy and paste everything below:

/* ==UserStyle==
@name         YouTube Boost Chat Custom Style
@namespace    https://example.com/
@version      1.0.0
@description  Personal styling for YouTube Boost Chat
@match        *://www.youtube.com/*
==/UserStyle== */

@-moz-document domain("youtube.com") {

  /* Custom variable overrides */
  body .bst-message-list[class] {
      --bst-message-entry-pl: 14px;
      --yt-live-chat-profile-icon-size: 20px;
      --yt-live-chat-first-line-height: 1.6;
      --yt-live-chat-emoji-size: 18px;
      --bst-author-badge-size: 16px;
  }

  /* Customize font and spacing */
  .bst-message-entry {
      font-size: 14px;
  }

  .bst-message-body {
      display: block;
  }

  .bst-gift-message .bst-message-body {
      display: inline;
  }

  .bst-message-profile-holder {
      margin-top: 0px;
      top: 0px;
  }

  .bst-message-head {
      font-size: 13px;
  }

  bst-tooltip {
      font-size: 10px;
  }

  /* Optional: highlight spacing tweak */
  body .bst-message-entry-highlight {
      left: -1.5rem;
      right: -1.5rem;
  }

}

💡 Bonus Tips

  • Want bigger emojis? Increase --yt-live-chat-emoji-size.
  • Want smaller profile icons? Reduce --yt-live-chat-profile-icon-size.
  • Tweak font-size in .bst-message-entry to change text size.

You can experiment with the values, then click Save and see the changes live—no need to refresh!