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Mailplate: Mail Merge for Gmail

Chrome extension by yoshi · Productivity · Workflow

  • Trader

A Chrome extension in Productivity · Workflow with 41 users, barely installed. Audience over the last 30 days: +19.

Specific sites only: 4 match patterns.

What the developer says, and 5 screenshots

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

Users
41
Rating
not rated yet
Users, last 30 days
+19
Version
2.0.0
Updated in the store
2026-09-15
Published
2026-08-16
Manifest
V3
Browser access
3 permissions, 4 site patterns

How it has moved

Users
+19 since 09.09
22-41 · 9 readings
2026-09-15: released 2.0.0
  1. 2026-09-1026
  2. 2026-09-1329
  3. 2026-09-1532released 2.0.0
  4. 2026-09-1737
  5. 2026-09-2034
  6. 2026-09-2533
  7. 2026-10-0435
  8. 2026-10-0841
  9. 2026-10-0941
Users
+27 since 31.08
14-41 · 14 readings
2026-09-15: released 2.0.0
  1. 2026-08-3114
  2. 2026-09-0320
  3. 2026-09-0422
  4. 2026-09-0721
  5. 2026-09-0822
  6. 2026-09-1026
  7. 2026-09-1329
  8. 2026-09-1532released 2.0.0
  9. 2026-09-1737
  10. 2026-09-2034
  11. 2026-09-2533
  12. 2026-10-0435
  13. 2026-10-0841
  14. 2026-10-0941

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 4 match patterns.

  • https://mail.google.com/*
  • https://gmail.googleapis.com/*
  • https://www.googleapis.com/*
Show the remaining 1
  • https://oauth2.googleapis.com/*
  • Sign you in with a Google account identity
  • Schedule work to run later alarms
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 2.0.0 · Asked for more permissions (7, was 2)

What changed recently

  1. Package size changed
  2. Asked for more permissions (7, was 2)
  3. Store description rewritten (129 → 122 characters)
Show the remaining 4
  1. Store badges changed
  2. Moved to another store category
  3. Renamed from "Mailplate: HTML Email Templates for Gmail" to "Mailplate: Mail Merge for Gmail"
  4. Released version 2.0.0 (was 1.1.0)

The publisher

yoshi publishes 2 listings we track, 56 users between them. Listed website: heyyoshi.in.

  1. Depot: Context Manager for Claude Projects yoshi · Productivity · Developer · published 2026-08-27 15 users ★ 5.0

Like this one

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

  1. mailmymail — free mail merge for Gmail Describes nearly the same job, smaller audience 12 users
  2. GMass: Powerful mail merge for Gmail Describes nearly the same job, with a large installed audience 400k users ★ 4.8
  3. Postmerge Describes nearly the same job, smaller audience 11 users
  4. GPass - Mail Merge for Gmail Describes nearly the same job, smaller audience 5 users
  5. GMerge - Mail Merge for Gmail Describes nearly the same job, smaller audience 85 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.

Is this your extension?

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See what the panel does

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.