Growth · alternatives · 2026

24 alternatives to Ugly Email for FireFox

Get back your email privacy, block email tracking

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Ugly Email for FireFox launched in 2018; newer entries below may have overtaken it.

1
PixelBlock – A Gmail extension that blocks email tracking▲47
2014 · chrome.google.com · its alternatives →
2
Gblock▲107
Block email tracking in Gmail
2025 · gblock.app · its alternatives →
3
Ugly Email▲421
See if an email is being tracked before you open it in Gmail
2015 · uglyemail.com · its alternatives →
4
Creep Alert▲131
Check if friends or colleagues track you via email
2019 · its alternatives →
5
Mailpanion▲74
Know when your emails are opened & block dangerous trackers.
2019 · its alternatives →
6
Mail Track▲168
Gmail extension to track when your emails are opened
2023 · mailtrack.email · its alternatives →
7
Unlimited Email Tracker▲496
Track opens and clicks, set reminders and delays in Gmail
2019 · snov.io · its alternatives →
8
Email Open Tracker for GMAIL▲126
Keep an eye on your email opens
2024 · its alternatives →
9
Mailtrack.io▲282
The best email tracking solution I've found. Free
2014 · mailsuite.com · its alternatives →
10
Scary Senders▲123
Detect spooky spy pixels in your emails
2021 · encouragement.beyondco.de · its alternatives →
11
Firefox Focus▲168
A free, fast and easy to use private browser.
2016 · blog.mozilla.org · its alternatives →
12
I hate mailto▲399
Stop websites from opening your email client.
2019 · ihatemailto.com · its alternatives →
13
Doubletick for Gmail▲120
Track email opens, know which emails are opened by recipient
2021 · its alternatives →
14
Datagator▲63
browser extension that sues online trackers
2024 · joindatagator.com · its alternatives →
15
Mail Tracker▲8
Free gmail email tracking
2025 · mail-tracker.app · its alternatives →
16
Ghostery 8▲306
Blocks ads, stops trackers, and speeds up websites
2018 · ghostery.com · its alternatives →
17
Digify for Gmail▲146
Track, unsend & self-destruct your Gmail attachments.
2016 · digify.com · its alternatives →
18
ContextSmith Free Email Tracker▲121
Know when and where your emails are read
2017 · chromewebstore.google.com · its alternatives →
19
Firefox Relay▲252
Hide your real email address to help protect your identity.
2021 · relay.firefox.com · its alternatives →
20
Block Sender for Gmail▲67
Block Unwanted Email in One-Click w/ many options
2014 · blocksender.io · its alternatives →
21
SONAR - An Email Tracker for Gmail▲66
See when your emails are read, every time
2022 · getsonar.co · its alternatives →
22
Apparent for Gmail▲225
I got frustrated with Gmail's lack of customization, and built an extension for myself. It doesn't do much other than modify how Gmail is displayed in Chrome. Does it as minimally as possible (that I can engineer). Done locally, zero remote processing. Currently built the following settings (want to add more soon): Conversations: * Show newest message first * Show every message in a thread (sometimes they're collapsed into numbered bubbles) * Remove AI overviews (retches) Layout/UI: * Minimize the search & top bar * Minimize the far left "rail" (Mail/Chat/Meet) * Hide a bunch…
Mar 2026 · chromewebstore.google.com · its alternatives →
23
Email Oops Blocker▲78
Reminder to not reply all emails you were BCC'd on in Gmail.
2017 · chromewebstore.google.com · its alternatives →
24
EmailThis for Firefox▲72
Turn your email inbox into your reading list.
2017 · addons.mozilla.org · its alternatives →

Also compare

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →