See mailshade.org

Ugly Email alternatives for Chrome

Ugly Email remains a valid Gmail-focused option: its official site says it detects tracked messages, shows an eye icon, blocks tracking pixels and keeps its data locally. An alternative is relevant when a user needs a different scope or workflow, not because Ugly Email merely warns. PixelBlock offers another narrow Gmail experience with a red-eye marker. Trocker publishes source, blocks known trackers broadly and adds enhanced handling in Gmail, Yahoo Mail and Outlook.com. Mailshade declares six opt-in webmail integrations, supported tracking-link warnings and local sender-level reports. Other Gmail-focused choices include Gblock, Klopio and cloudHQ Email Privacy Protector, while Email Tracker + Pixelblock Detector & Blocker advertises both sender-side tracking and receiving-side blocking across several webmails. These are publisher-stated differences. No option is ranked by efficacy until pinned builds complete the same network-observed corpus and raw results are published.

Comparison record

Facts reviewed on .

Result: pending
Test date
Not yet tested; no performance winner is claimed.
Methodology
Read the published method

Versions in scope

  • Ugly Email: 4.1.2 — Version recorded from the official source repository.
  • Mailshade: 1.1.0 — Current public Chrome Web Store version confirmed on 2026-08-19.
  • Trocker: 3.4.1
  • PixelBlock: 2025.12.01

Method and current result

Each pinned extension must run in a clean Chrome profile against the same versioned pixel, link and benign-content fixtures before comparative performance is stated.

The page is a source-backed shortlist, not a performance ranking; a preferred product cannot be verified until shared raw test results are available.

Claim evidence

  • [verified] Ugly Email's official site says the Gmail extension blocks detected tracking pixels rather than only warning. source 1
  • [verified] Trocker, Mailshade and PixelBlock have materially different publisher-stated webmail scope and reporting features. source 1, source 2, source 3
  • [pending] A performance-ranked alternative remains unverified until all eligible products complete the shared corpus.

Sources

  1. Ugly Email official FAQ, OneClick Lab; accessed .
  2. Ugly Email package version, OneClick Lab; accessed .
  3. Mailshade Chrome Web Store listing, Mailshade; accessed .
  4. Mailshade source archives and checksums, Mailshade; accessed .
  5. Trocker Chrome Web Store listing, Trocker; accessed .
  6. PixelBlock Chrome Web Store listing, PixelBlock; accessed .

Start with the reason for switching

If Ugly Email works in Gmail and its focused UI is enough, there may be no reason to replace it. A different product becomes relevant for multi-webmail coverage, a different permission model, tracking-link handling, reporting or a preferred source license.

Open-source routes

  • Trocker 3.4.1: known-tracker blocking across webmails, enhanced Gmail, Yahoo and Outlook.com behavior, tracked-link handling and Apache-2.0 source.
  • Mailshade 1.1.0: six opt-in webmail integrations, reviewed endpoint DNR blocking, local sender reports and supported link warnings. AGPL-3.0-or-later source archives and checksums are available; reviewers must match an archive to the exact tested package version.

Focused Gmail routes

PixelBlock advertises a simple Gmail blocker with a red-eye marker. Gblock adds parameter stripping, proxy link resolution and server-assisted tracker discovery. Klopio advertises pre-open badges, tracker identity and weekly reports. cloudHQ Email Privacy Protector advertises a free Gmail blocker with an unblock choice.

A hybrid multi-webmail route

Email Tracker + Pixelblock Detector & Blocker advertises sender-side open tracking plus receiving-side pixel blocking for Gmail, Outlook, Hotmail, Office 365 and Yahoo Mail. Users who only want privacy protection should account for that combined purpose.

Do not convert features into a ranking

Declared coverage and source availability help shortlist products. Blocking recall, false positives and reliability remain pending until the shared benchmark is complete.

FAQ

Do I need to replace Ugly Email because it only warns?

No. Ugly Email's official FAQ says it blocks detected tracking pixels. Replace it only if another product's scope or workflow better matches your needs.

Which alternatives publish source code?

Trocker and Ugly Email publish repositories under Apache-2.0 and MIT respectively. Mailshade makes AGPL-3.0-or-later source archives and checksums available; reviewers must match an archive to the exact tested package version.

Which alternatives advertise more than Gmail?

Trocker and Mailshade advertise multi-webmail behavior. Email Tracker + Pixelblock Detector & Blocker also advertises receiving-side blocking across Gmail, Outlook, Hotmail, Office 365 and Yahoo Mail.

Which alternative has the strongest protection?

No performance ranking is published yet under the shared method. Feature descriptions and user ratings cannot substitute for the same network-observed corpus.

Can I compare the products without trusting this publisher?

Yes. The page links primary sources, versions, methodology and claim statuses. Mailshade's developer relationship is disclosed, and raw results are required before a verified conclusion.