Search 8 auction platforms at once, save lots as you browse, export as PDF, free for Chrome, Firefox and Safari.
Firefox users get the simplest install, click the button below and Firefox will prompt you to install. No unzipping, no developer mode needed.
🦊 Install Firefox ExtensionDownloads and installs directly · Firefox will prompt you to confirm · Done
Click the button above. Firefox will download the extension and show an install prompt, click Add to confirm. The extension installs instantly, no unzipping, no developer mode.
Click the puzzle piece icon 🧩 in the Firefox toolbar → find Auction Bid Assistant → click the pin icon. This keeps the extension icon visible so you can access your saved lots at any time.
Click the extension icon to open the popup. Search across 8 auction platforms, browse Featured Auctions, and save lots to your list. You'll also see the 🔨 Save Lot button on lot pages across the-saleroom.com, EasyLive and in search results and Featured Auction catalogues.
Chrome users can install in one click from the Chrome Web Store, no unzipping or developer mode needed.
🌐 Install from Chrome Web StoreClick the button above. Chrome will show an install prompt, click Add to Chrome to confirm. The extension installs instantly.
Click the puzzle piece icon 🧩 in the Chrome toolbar → find Auction Bid Assistant → click the pin icon. Without pinning, the extension icon won't be visible and the Save Lot popup won't be accessible.
Click the extension icon to open the popup. Search across 8 auction platforms, browse Featured Auctions, and save lots to your list. You'll also see the 🔨 Save Lot button on lot pages across the-saleroom.com, EasyLive and in search results and Featured Auction catalogues.
Safari users on macOS can install in one click from the Mac App Store, no setup, no developer mode needed.
🍎 Install from Mac App StoreClick the button above. The App Store will open, click Get to install. The extension downloads instantly, no unzipping or configuration needed.
Open Safari → Settings → Extensions and tick Auction Bid Assistant. Click the extension icon in your Safari toolbar to open the popup.
Click the extension icon to open the popup. Search across 8 auction platforms, browse Featured Auctions, and save lots to your list. You'll also see the 🔨 Save Lot button on lot pages across the-saleroom.com, EasyLive and in search results and Featured Auction catalogues.
On iPhone there's no browser extension to install, mobile browsers don't support them. Instead, get the free native app: core search (Featured Auctions + core platforms) is free, and ABA Pro (in-app purchase) unlocks all 8 platforms, no extension needed either way.
📱 Download on the App StoreClick the button above. The App Store will open, tap Get to install. Free to download, with an optional Pro tier for power users.
No account or sign-in needed. Search Featured Auctions and the core platforms straight away, the app talks to our servers directly, so there's no extension, no permissions prompts, no toolbar pinning.
Search for free, save lots and export as PDF/CSV, and turn on push alerts for new matching lots, right from your phone. Upgrade to ABA Pro any time to unlock all 8 platforms. See the full feature list and screenshots →
No. It only reads publicly visible data from the auction page, the asking price and lot number. You still bid on the auction platform as normal. The app is a visual calculator.
Firefox, Chrome, and Safari on macOS, all free, all one-click installs from their respective stores. Firefox is recommended as the easiest. The app itself works on all browsers and devices without the extension; you just update the current bid manually instead of having it auto-update.
Install from the Mac App Store, one click, then enable the extension in Safari → Settings → Extensions. This Safari extension is macOS only. On iPhone, use the free Auction Bid Assistant app instead, core search is free, and ABA Pro unlocks all 8 platforms natively, no extension needed either way.
For search: the-saleroom, EasyLive, eBay, Invaluable, NumisBids, iCollector, LiveAuctionWorld and Bidspotter, all searched simultaneously. For the Save Lot button while browsing: the-saleroom.com and EasyLive. You can also save lots from search results and Featured Auction catalogues on any platform. The live bridge (optional) works with the-saleroom.com and EasyLive. More platforms are being added regularly.
Make sure: (1) the extension is installed and enabled, (2) you have the auction site open in another tab in the same browser window, (3) the auction page has finished loading. The bridge sends a heartbeat every 3 seconds, wait a moment and it should turn green.
Chrome Web Store extensions update automatically and stay enabled after restarts. If it has disappeared, just reinstall it from the Chrome Web Store.
All data stays in your browser. The extension never sends anything to any server, never accesses your login credentials, and never modifies any web page. Read the full privacy policy →