Mailvelope - Secure your email with PGP
Communication
Protect your email conversations and attachments on Gmail, Nextcloud, Outlook & more with PGP and end-to-end encryption.
Users
100K
Rating
4.4
Reviews
436
7D Growth
0|0%
Stable signalNo paid features detectedMedium-risk permissions
FlowCrypt: Encrypt Gmail with PGP
Simple end-to-end encryption to secure email and attachments on Google.
Users70KCurrent public install base
Rating4.7Store average score
Reviews359Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview
6 assetsFlowCrypt: Encrypt Gmail with PGP Media preview
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User Growth Over Time
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7-day rating change
Start
4.72
Latest
4.72
7-day rating change
0.00
2026年7月14日2026年7月20日
Growth overview
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1-day growthFlat
00%7-day growthFlat
00%30-day growthDeclining
-10K-12.5%Technical snapshot
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Version8.5.13
ManifestV3
Size3.64MiB
Languages1English
Published
Store updated
Last crawled
English
Overview
Product summary
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🟢 A simple end-to-end encryption to secure your emails and attachments on Google, including Google Workspace, Business, and Enterprise using OpenPGP.
🟢 FlowCrypt lets you use PGP encryption by generating a private and public key. It uses the recipient’s public key to encrypt the email, and only the recipient’s private key can decrypt the message and reveal its content.
🟢 Adds a Secure Compose button to Gmail, allowing you to send private PGP-encrypted emails when you choose to.
🟢 We update the extension regularly (see the "Updated" field to the right).
FlowCrypt allows you to:
✔ Set up the extension in just a few clicks.
Reviews
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Store average score4.7Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.8Average computed only from synced review bodies below
Reviews with text276Synced review bodies
Total ratings / reviews359Chrome Web Store public rating/review count
Store average score: 4.7. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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Really seamless extension, very useful. Emailed the developer about a security question and got an incredibly detailed and helpful response.
Really impressed. I have used PGP for over 20 years and it's never been this easy!
Works great!
It is amazingly easy when compared to using the original PGP!
Easy, transparent, and very well supported. Developer responded to questions within minutes to hours, and welcomed feedback. Excellent secure option for occasional encrypted email needs.
Excellent support from Tom on this tool. Works very well so far!
I've used a lot of applications, CLIs, and extensions, and none are as seamless and easy to use as CryptUP. The developer is super responsive, and he seems like he's really committed to making PGP easy for just about anyone to use. I highly recommend this extension, and hope that he'll be able to add new features (like the ability to parse multiple PGP private keys).
Easy to set up, great interface, fast response time from developer. Highly recommended.
I've been using Mailvelope. CryptUp is MUCH easier, more intuitive and more convenient. The coolest feature is the ability to add a 'challenge question' to an email, in order to send a secret message to someone without a PGP key or CryptUp. Very useful!
This has sorted out PGP for me with gmail.