Your next live show starts here

Meet your new
workday companion.

One place for your team, your inventory,
and the labels that keep your show moving.

The team workspace

SellerWin for Mac

Plan your week. Scan your stock.
Connect your label printer.

Download for Mac

Download weekly schedule Excel template ↓

Version 0.3.59 · macOS 13 or later
Apple Silicon and Intel

  1. Open the download.Open “安装与清理 SellerWin” to install and clean old versions, or drag SellerWin to Applications.
  2. Launch SellerWin.Save your work first. The installer requests a normal quit before replacing the old app; business data is preserved.
  3. Make it your workspace.Open Team & Settings to connect your team.
Your browser companion

SellerWin for Chrome

Capture live sales on Whatnot.
Send the right label to your Mac.

Download extension

Version 0.8.12 · Preview extension

  1. Download and unzip.Double-click the ZIP. Keep the folder named SellerWin-Chrome-Extension-0.8.12.
  2. Select the extension folder.Open chrome://extensions, enable Developer mode, click Load unpacked, and select SellerWin-Chrome-Extension-0.8.12 — the folder directly containing manifest.json.
  3. Connect and reload.Keep one SellerWin extension enabled. Reload Whatnot, then connect your printer.

Choose this folder in Chrome

Select the named extension folder. Do not select Downloads, the ZIP file, or its parent folder.

Downloads/
└── SellerWin-Chrome-Extension-0.8.12/ ← select this folder
    ├── manifest.json
    ├── background.js
    ├── content.js
    └── assets/
“Could not load manifest” or “filename starts with _”?

Chrome may be reading your entire Downloads folder. Cancel, find the unzipped SellerWin-Chrome-Extension-0.8.12 folder, and select that folder instead. If manifest.json is not directly inside it, unzip the download first. You do not need to remove any other files from Downloads.

Already signed in?

Continue activation in the same Chrome browser to connect your account.

Continue activation
Updating or removing an older version

Quit SellerWin before replacing the Mac app. Your local business data stays in place. Use SellerWin’s version manager to review old copies before moving them to Trash.

To remove the app, quit it and move SellerWin from Applications to Trash. To remove the extension, open Chrome’s Extensions page.