Privacy Extension for Slack Firefox

Privacy Extension for Slack

By: ja3y
Protect your privacy while using Slack in your browser by temporarily blurring messages, media, and reactions until you hover over them. Perfect for screen sharing and working in public spaces.

Features & Capabilities

The Slack Privacy Extension enhances your privacy by blurring sensitive Slack content until you need to view it.

Features:

  • One-click privacy toggle with customizable keyboard shortcut
  • Blur messages, media, link previews, huddle notifications, and reaction bars
  • Smart detection keeps public channels visible by default (optional blurring available)
  • Simple hover to reveal blurred content with adjustable timing
  • Lightweight with minimal performance impact

Ideal for:

  • Screen sharing during meetings without exposing private messages
  • Working in public spaces to guard yourself from prying eyes.
  • Open office environments where privacy is a concern

This extension does not collect, transmit, or store any of your Slack data. It simply applies visual CSS filters to blur content until you hover over it.

Note: This extension is not affiliated with, endorsed by, or connected to Slack Technologies, Inc.

User Growth & Download Statistics

Manifest V3 Add-on
By:
ja3y
Daily users:
2
Version:
0.2.0 Last updated: 2025-05-16
Version code:
5950386
Creation date:
2025-02-26
Risk:
Moderate risk impact Moderate risk likelihood
Permissions:
Host permissions:
  • https://*.slack.com/*
Content scripts matches:
  • *.slack.com
Size:
30.55KB
Full description:
See detailed description
Source:
Firefox Add-ons Store
Data ingested on:
2026-07-10
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.
Developed by:
ja3y
Firefox Add-ons Store
https://addons.mozilla.org/firefox/addon/privacy-extension-slack/

Is Privacy Extension for Slack Safe?

Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Privacy Extension for Slack requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • High Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial risk.
  • High ******* ****** ** *** ********* ******** *********
Risk likelihood
Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

Privacy Extension for Slack is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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