MailHush logo mailhush

Your email is on every screenshot.
MailHush hides it.

A free, open-source extension for Chromium and Zen Browser that swaps exposed email addresses in the DOM before you stream, screenshot, or screenshare. Works on Claude, ChatGPT, Gmail — anywhere an email shows up on screen.

Install guide
  • Open source
  • Runs locally
  • Chromium & Zen Browser
Demo: MailHush replacing an exposed email in the DOM in real time.

live · in the DOM · zero page reload

The live stream

You open Claude on stream. Your email sits in the corner the entire time. 2,000 viewers now have it.

The screenshot

You share a cool Claude conversation. Forgot to crop the header. Your email is in 47 quote tweets before you notice.

The client demo

Screen-sharing Claude with clients. Your personal Gmail is right there. Very professional.

MailHush replaces emails
before anyone sees them.

A tiny browser extension that swaps email addresses in the DOM with whatever you want. No broken layouts. No page reloads — just quiet, in-place replacement.

Without MailHush
johndoe.real@gmail.com
With MailHush
nunya@business.com

Install

Free · open source · runs locally.


Stop leaking your email on screen.

Tested on Claude, ChatGPT, and Gmail. Works on any Chromium or Zen Browser-based site where email addresses appear in the DOM.

Free & open source · Chromium & Zen Browser · source code