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Railgun Pixel — Email Tracking, Both Ways

Chrome extension by Railgun · Productivity · Workflow

A Chrome extension in Productivity · Workflow with 2 users, barely installed.

Specific sites only: 2 match patterns.

What the developer says, and 5 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
2
Rating
not rated yet
Users over time
Not watched long enough to say
Version
0.7.0
Updated in the store
2026-09-15
Published
2026-09-08
Manifest
V3
Browser access
1 permission, 2 site patterns

What it can reach

Specific sites only: 2 match patterns.

  • https://mail.google.com/*
  • https://api.railgun.chat/*
  • Store data in your browser storage

The full permission history for this extension

What changed recently

  1. Appeared in the store

The publisher

Railgun. Listed website: railgun.chat.

Like this one

Listings the catalog judges closest in what they say they do.

  1. Free Email Tracker for Gmail — Read Receipts & Open Tracking | Kilroy Describes nearly the same job, smaller audience 1 user
  2. SentSonar — Accurate Email Open Tracking Describes nearly the same job, smaller audience 8 users ★ 5.0
  3. Email Tracker for Gmail by Makeinfo Describes nearly the same job, smaller audience 11 users
  4. Seen - Privacy Focused Email Tracker Describes nearly the same job, smaller audience 49 users ★ 4.0
  5. Email Tracker de MailBolt™ Describes nearly the same job, smaller audience 4 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.