A browser extension for privacy

Stay private.
Stay in control.

Define private tabs with your own keywords, then mute, hide, or clean them up instantly.

  • Free to use
  • One-time payment unlocks Premium
  • Lifetime updates
  • No subscription
stealth://popup
Stealth Browser Assistant extension iconStealth Browser AssistantStealth Browser Assistant Premium badge

Supported browsers

ChromeChromeFirefoxFirefoxEdgeEdge
How it works

You decide what counts as private.

Add any website, domain, or keyword. Stealth Browser Assistant detects matching tabs by checking their URL or title — entirely in your browser.

Your keywords

shoppingprivatework

Matching tabs

shopping.example
private notes
work chat

Actions

Mute Tabs
Hide Tabs
Panic Button

Your keywords. Your rules.

Nothing is predefined. You choose what Stealth Browser Assistant protects.

You defineStealth Browser Assistant detectsYou control
KEYBOARD SHORTCUTS

One shortcut to protect your privacy.

No searching. No clicking. Just press a key.

Mute Tabs
++M

Silence matching tabs instantly without closing them.

Hide Tabs
++H

Hide private tabs from view while keeping them open.

Panic Button
++E

Mute, hide or close all matching tabs with one shortcut.

Clear Private Data
++C

Wipe private data such as browsing history and download history in one go.

Default shortcuts shown for macOS. Fully customizable.

WORKFLOW

When you need everything gone.

One click mutes, hides, or closes every matching tab instantly.

Before
Work Dashboard
Project Updates
Shopping List
Personalmute
Bankingmute
After
Work Dashboard
Project Updates
Shopping List
Personalhidden
Bankinghiddenclosed
SEE IT IN ACTION

Take control in seconds.

Watch how Stealth Browser Assistant helps you stay private in any situation.

Watch on YouTube
YOUR PRIVACY MATTERS

Your browsing stays yours.

Stealth Browser Assistant works locally in your browser. Your data is never collected or shared.

Keyword matching happens locally. Your keywords, tab URLs, and browsing activity never need to leave your browser.

No data collection

Your browsing stays on your device.

No tracking

We don't track you.

No uploads

No browsing history ever leaves your browser.

No account

Use all features without creating an account.

Simple pricing. Lifetime access.

Free

0Free forever
  • 5 keywords
  • Tab match feedback
  • Mute tabs
  • Hide tabs
  • Panic Button
  • Clear private data
MOST POPULAR

Stealth Browser Assistant Premium badgePremium

$15One-time payment
  • Unlimited keywords
  • Tab match feedback
  • Mute tabs
  • Hide tabs
  • Panic Button
  • Clear private data
  • All premium features
  • All future updates included
  • No new fees. Ever.

How to activate Premium

  1. 1

    Click the button to pay.

  2. 2

    Your license key will be sent to your email.

  3. 3

    Enter your license key at the bottom of the “Stealth Browser Assistant” settings page to activate.

Common questions

You might be wondering...

Still curious? Contact support

Yes. Everything runs locally in your browser — nothing about your browsing is ever sent to a server. The extension requests only the permissions it needs to do its job.