Can we rebuild it?

Can we rebuild Auto Tab Discard (suspend)?

Build a Chrome extension like Auto Tab Discard (suspend) — a Auto Tab Discard (suspend) alternative you own.

If you want to build your own Auto Tab Discard (suspend), you will find it surprisingly straightforward. Modern browsers provide native tab-discarding capabilities out of the box. Creating your own lightweight Chrome extension gives you a reliable alternative that unloads inactive tab memory, respects custom whitelists, and keeps your system fast without unnecessary background tracking.

The listing record

What Auto Tab Discard (suspend) does

"Auto Tab Discard" is a lightweight browser extension that automatically reduces the amount of memory used by open but inactive tabs, helping to conserve battery life on portable devices by disabling JavaScript code and DOM events on discarded tabs. Preview: Instruction: There are two options on the extension's interface to either discard tabs or release discarding (the "x" buttons) The features of "Auto Tab Discard" are: * Improves browser performance and reduces memory usage by automatically or manually discarding inactive, idle, or forgotten tabs. * Includes a list of hostnames or regular expressions that can be excluded from auto-discarding. * Preserves the discarded state of tabs when the browser is closed and reopened. * Indicates the discarded state of a tab through the favicon or title.

What the store says

★ 4.2 from 388 ratings · 200K users

Pulled live from the Chrome Web Store listing at analysis time.

Can PlugThis rebuild Auto Tab Discard (suspend)?

Why build your own Auto Tab Discard (suspend) alternative

• Custom inactivity timers per domain or window
• Zero telemetry or background bloat
• Direct control over whitelist rules and audio-playing tab exceptions
• Seamless integration with your own hotkeys and context menus

What it costs vs what you'd save

The starter prompt

Build a Chrome extension that automatically suspends inactive tabs using chrome.tabs.discard to save memory. Include an options popup where I can set an inactivity timeout in minutes, toggle exclusions for pinned or audible tabs, and maintain a domain whitelist. Use chrome.alarms to periodically check tab activity and discard idle tabs in the background.

Features you could add that Auto Tab Discard (suspend) doesn't have

Because you own the code, these are a follow-up prompt away — tap one to add it to the prompt above.

• Domain Inactivity Rules — Set different timeout thresholds for heavy sites like docs or video streaming versus regular articles.
  + add to prompt
• Battery Status Trigger — Automatically shorten the inactivity timer when your laptop unplugged or running on low battery.
  + add to prompt

Questions about rebuilding Auto Tab Discard (suspend)

How to build it yourself

1. 1
   Open PlugThis and start a new build

   Head to PlugThis and start a new Chrome extension. You're describing a Auto Tab Discard (suspend) alternative you'll own outright — no store subscription.

2. 2
   Paste the starter prompt

   Paste the starter prompt above. PlugThis expands it into a full Manifest V3 extension — popup, content scripts, and service worker included.

3. 3
   Review, tweak, and load it

   Review the generated code, ask for tweaks in plain English, then download and load the unpacked extension in Chrome to try it.

4. 4
   Publish it (optional)

   When you're happy, publish your Auto Tab Discard (suspend) alternative to the Chrome Web Store — or just keep it as a private tool for yourself.

More teardowns

We run the same teardown on any Chrome extension — what it does, whether a self-built alternative holds up, and the prompt to make one. Tear down another extension, or see the extensions we've actually rebuilt and filmed — real build times, real prompts, real recordings.