Top Chrome Extensions for Gmail Mail Merge
Gmail Mail Merge Chrome extensions — 9K monthly searches · Rankings shifted 65× in 7 days · Top 3 partially locked by Mail Merge for Gmail - Mailmeteor, GMass: Powerful mail merge for Gmail
What Developers Can Learn
Intelligence derived from tracked keywords across all Gmail Mail Merge sub-keywords
Most Congested
The top 3 extensions capture a disproportionate share of the 'gmail mail merge' market.
Possible Openings
Lower competition variants may offer better entry points.
Positioning Patterns
Top-ranked extensions tend to have 4.3+ ratings and a focused single use-case.
Top Extensions Leaderboard
7-day ranking snapshot and appearances in Top 10
| # | Extension | Users | Rating | Appearances | Category | Momentum |
|---|---|---|---|---|---|---|
| 1 |  Mail Merge for Gmail - Mailmeteor | 50,000+ | ⭐ 4.8 | 7/7d | Gmail | — stable |
| 2 |  Mail Merge for Gmail | 10,000+ | ⭐ 2.7 | 7/7d | Gmail | — stable |
| 3 |  GMass: Powerful mail merge for Gmail | 400,000+ | ⭐ 4.8 | 7/7d | Gmail | — stable |
| 4 |  Mail Merge for Gmail & Mass Email Sender - EmailMassa | 78 | ⭐ 5 | 7/7d | Gmail | — stable |
| 5 |  Streak Mail Merge for Gmail | 10,000+ | ⭐ 4.8 | 7/7d | Gmail | — stable |
| 6 |  MassMerge: Latest mail merge for Gmail | 322 | ⭐ 4.6 | 7/7d | Gmail | — stable |
| 7 |  MergeMail | 30,000+ | ⭐ 4.9 | 7/7d | Gmail | — stable |
| 8 |  Salesforza Gmail Mail Merge & CRM on GSheets | 788 | ⭐ 4.6 | 7/7d | Gmail | — stable |
| 9 |  FullMail: Smart Mail Merge Inside Gmail | 18 | ⭐ 0 | 5/7d | Gmail | — stable |
| 10 |  MailFlow Pro: Mail Merge Gmail Outlook | 77 | ⭐ 5 | 7/7d | Gmail | ↑ rising |
Mail Merge for Gmail - Mailmeteor
50,000+ · ⭐ 4.8 · 7/7d
Mail Merge for Gmail
10,000+ · ⭐ 2.7 · 7/7d
GMass: Powerful mail merge for Gmail
400,000+ · ⭐ 4.8 · 7/7d
Mail Merge for Gmail & Mass Email Sender - EmailMassa
78 · ⭐ 5 · 7/7d
Streak Mail Merge for Gmail
10,000+ · ⭐ 4.8 · 7/7d
MassMerge: Latest mail merge for Gmail
322 · ⭐ 4.6 · 7/7d
MergeMail
30,000+ · ⭐ 4.9 · 7/7d
Salesforza Gmail Mail Merge & CRM on GSheets
788 · ⭐ 4.6 · 7/7d
FullMail: Smart Mail Merge Inside Gmail
18 · ⭐ 0 · 5/7d
MailFlow Pro: Mail Merge Gmail Outlook
77 · ⭐ 5 · 7/7d
Ranking Volatility - Top 10 Ranks
7-day Top 10 movement snapshot (2026-06-30 to 2026-07-06)
✦ Entered Top 10 This Week
↓ Dropped Out of Top 10
Data Methodology
- Data source:
- Chrome Web Store search results
- Update frequency:
- Weekly
- Monthly Search Demand:
- Estimated demand indicator sourced from third-party keyword data. Not CWS-internal figures.
Is your extension visible
in Gmail Mail Merge extension market?
Track your extension's ranking for any Gmail Mail Merge keyword, monitor weekly changes, and find the exact gaps between you and the top 10.