Top Chrome Extensions for Secure Email Encryption
Secure Email Encryption Chrome extensions — 760 monthly searches · Rankings shifted 34× in 7 days · Top 3 partially locked by Mailvelope - Secure your email with PGP, SendSafely Encryption for Chrome and Gmail
What Developers Can Learn
Intelligence derived from tracked keywords across all Secure Email Encryption sub-keywords
Most Congested
With only 22 active extensions and a 0.24 concentration ratio, the Secure Email Encryption market is open rather than dominated.
Mailvelope leads with 200K users but the next tier (40K, 10K) shows significant gaps, leaving room for well-positioned competitors.
Possible Openings
Adjacent keywords like Verify Email Addresses (9.6K monthly searches) and Gmail Unsubscribe (4K monthly searches) offer lower-competition entry points into the Email category, which sees 14M overall searches monthly.
Positioning Patterns
Top performers emphasize simplicity and specific platforms in their names (Made Simple, for Chrome and Gmail).
The top 3 average 4.77 stars with SendSafely and SealSend perfect or near-perfect scores, indicating users expect reliability and ease of use.
Top Extensions Leaderboard
7-day ranking snapshot and appearances in Top 10
| # | Extension | Users | Rating | Appearances | Category | Momentum |
|---|---|---|---|---|---|---|
| 1 |  Mailvelope - Secure your email with PGP | 200,000+ | ⭐ 4.4 | 7/7d | — stable | |
| 2 |  SealSend - Secure Email Encryption Made Simple | 10,000+ | ⭐ 5 | 7/7d | — stable | |
| 3 |  SendSafely Encryption for Chrome and Gmail | 40,000+ | ⭐ 4.9 | 7/7d | — stable | |
| 4 |  FlowCrypt: Encrypt Gmail with PGP | 80,000+ | ⭐ 4.7 | 7/7d | — stable | |
| 5 |  Virtru Email Protection | 700,000+ | ⭐ 4 | 7/7d | — stable | |
| 6 |  XQ Secure Gmail | 715 | ⭐ 4.4 | 7/7d | — stable | |
| 7 |  Lockmagic Gmail Encryption | 2,000+ | ⭐ 4.5 | 7/7d | — stable | |
| 8 |  PassLok for Email | 409 | ⭐ 5 | 7/7d | — stable | |
| 9 |  Trustifi | 7,000+ | ⭐ 5 | 7/7d | — stable | |
| 10 |  Quantum Safemails.Net Gmail Extension | 8 | ⭐ 4.8 | 7/7d | ↓ dropping |
Mailvelope - Secure your email with PGP
200,000+ · ⭐ 4.4 · 7/7d
SealSend - Secure Email Encryption Made Simple
10,000+ · ⭐ 5 · 7/7d
SendSafely Encryption for Chrome and Gmail
40,000+ · ⭐ 4.9 · 7/7d
FlowCrypt: Encrypt Gmail with PGP
80,000+ · ⭐ 4.7 · 7/7d
Virtru Email Protection
700,000+ · ⭐ 4 · 7/7d
XQ Secure Gmail
715 · ⭐ 4.4 · 7/7d
Lockmagic Gmail Encryption
2,000+ · ⭐ 4.5 · 7/7d
PassLok for Email
409 · ⭐ 5 · 7/7d
Trustifi
7,000+ · ⭐ 5 · 7/7d
Quantum Safemails.Net Gmail Extension
8 · ⭐ 4.8 · 7/7d
Ranking Volatility - Top 10 Ranks
7-day Top 10 movement snapshot (2026-05-12 to 2026-05-18)
✦ 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 Secure Email Encryption extension market?
Track your extension's ranking for any Secure Email Encryption keyword, monitor weekly changes, and find the exact gaps between you and the top 10.