ブログに戻る
Guide

Slack Chrome Extensions: What Exists and What Got Removed

Most searches for a Slack Chrome extension want one of three things: a stay-active extension, a setup helper, or small workflow tweaks. The famous stay-active ones were removed in 2024. What remains, and what replaced them.

Slack Green Team
September 22, 2026
September 22, 2026
5 min read
Share:
slack
tools
chrome

Searches for a Slack Chrome extension usually want one of three things: an extension that keeps the green dot on, a helper for connecting Slack to another tool, or small notification and formatting tweaks. The first category has a history worth knowing before you install anything.

Three kinds of Slack Chrome extension, and the state of each

We build Slack Green, which includes one extension in the second category, so the products in this page are described with their trade-offs stated.

The stay-active extensions, and why they died

For years the popular answer to Slack's 10-minute away flip was a Chrome extension that simulated activity in the Slack tab. The mechanism was right: input inside the Slack window is the only thing the timer counts.

The mechanism worked, the store policy did not allow it

Then the Chrome Web Store removed the biggest one in 2024 under its automated-interaction policies, clones appeared, and some of the clones carried malware. Today, installing an unknown stay-active extension means trusting an unvetted script with a tab that holds your Slack session tokens. The tools comparison rates the category 2.5 of 5 for exactly that reason.

What we ship as an extension

The Slack Green extension does one narrow job: it reads your own session tokens from your logged-in Slack tab so you can connect a workspace in two clicks instead of digging through DevTools. It does not simulate activity, run in the background, or stay necessary: you can remove it after setup, and the presence work happens server-side where no store policy can kill it.

Extension or server, the honest split

Slackで「離席中」と表示されなくなります

クラウドベース。ダウンロード不要。ノートPCがオフでも24時間稼働。

Extensions die with the tab, the lock, or a policy change; servers do not

An extension lives inside your browser: it stops at a closed tab, a locked machine, or a policy change you do not control. A server-side service keeps working with the laptop shut and follows a schedule. If the dot is the job, the split decides it. If a quick tweak is the job, an extension is fine, chosen carefully.

Choosing safely

  • • Check the developer name and site on the store listing.
  • • Prefer extensions that work without reading your Slack page content;
  • review the permissions list before installing.
  • • Treat "always active" listings with the 2024 history in mind: the
category regrows and gets pruned repeatedly.

Frequently asked questions

Is there a Chrome extension that keeps Slack active? Clones exist, the vetted originals are gone, and the category dies with your browser being open anyway. The alternatives are compared in how to keep Slack active.

Is the Slack Green extension required to use Slack Green? No. It is a setup shortcut. The manual path does the same thing in a few more clicks, and the CLI skips the browser entirely.

Do extensions work with Slack's desktop app? No. Chrome extensions only see Slack in a browser tab. The desktop app is outside their reach, which is one more reason the category is fragile.

The short version

Slackで「離席中」と表示されなくなります

クラウドベース。ダウンロード不要。ノートPCがオフでも24時間稼働。

The extension era of keeping Slack green ended in 2024. What survived: narrow setup helpers, small tweaks, and the server-side approach that does not depend on a browser being open. Pick by what you need surviving: the dot, or just a better tab.

Always Active

マウスを動かす必要はもうありません。

何百人ものリモートワーカーがSlackのステータスを気にしなくなりました。一度設定すれば、永遠にグリーン。

Related Articles

Guide

How to Delay and Schedule Slack Messages

Slack can send a message later: the schedule menu sits on the arrow next to Send. What it can do, what it cannot (no undo-send), the steps on desktop and mobile, and when a reminder fits better.

Slack Green Team5 min read
Guide

Slackをアクティブに保つ方法:2026年版・全手段の比較

Slackは入力が10分ないと自動的に離席中になり、これを止める設定はありません。実際に効く方法とコスト、静かに失敗する小技をまとめました。

Slack Green Team5 min read
Guide

Funny Slack Status Ideas That Survive a Work Channel

Copy-paste funny Slack statuses sorted by situation: deep work, meetings, lunch, Friday, and out of office. The two rules that keep a joke work-safe, and why the status never touches your green dot.

Slack Green Team5 min read
    Slack Chrome Extensions: What Exists in 2026