More/Less

More/Less for Chrome.

Gmail doesn't support sections that open and close, so Gmail messages arrive in the two-column layout with every section shown.

Chrome extension · v1.0.0 · free

For Gmail in Chrome

  1. 01

    Download & unzip

    Get moreless-chrome.zip and unzip it.

  2. 02

    Open extensions

    In Chrome, Edge, Brave or Arc, go to chrome://extensions and turn on Developer mode.

  3. 03

    Load unpacked

    Click Load unpacked and choose the unzipped folder.

  4. 04

    Compose

    In Gmail, start a new message. Click the round M/L button at the bottom right; the message updates as you write.