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15日2026年7月21日
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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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This plugin highjacked the reply and reply all so that it is hard to send a non-encrypted email. Very bad behavior.
This extension works perfectly. It is easy to use and easy to set up. I am using it in various environments (Windows with Chrome, Chrome OS with Chromebook etc.). Glad to have a new way to communicate on a secure basis.
CryptUp makes encrypting Gmail emails extraordinarily easy. MailVelope has not been developed in a while so I looked for alternatives. ProtonMail looks cool but I would have to switch domains, and ProtonMail does not allow importation of public PGP keys, and does not allow you to download private PGP keys. That is meant to lock consumers into their system. CryptUp uses PGP, makes the source code available, and allows keys to be generated manually and uploaded. The user can also upload his or her own PGP keys if they have had them for a long time. Overall, probably the best PGP encryption solution out there.
Easy to setup, easy to use.
Absolutely the best PGP solution for Gmail. The developer Tom is absolutely amazing and extremely responsive and fast. He's always open for comments and recommendations. I've tried them all out and this is by far the best. It's so good I finally uninstalled Mailvelope. I didn't think that would ever happen. Keep up the GREAT work.
Fantastic solution to Google's discontinued encryption project. Our agency relies on client satisfaction, as does every business. There is nothing more comforting to a client than knowing their communications are safe and secure from prying eyes. Thanks CryptUp team!!! ;-)
Excellent solution for improve your security on Google Inbox. PGP is most famous crypt solution of email systems. Only 60 seconds \o/
As I know, the first extension for end-to-end encryption (asymmetric). Great one to start encrypt your mail even for those who knows nothing about PGP and encryption. Strongly recommend.
It's true! Encryption can be easy to do and use. Highly recommended and the support is excellent.
A very useful chrome extension. Tom is a pro when it comes to help and support. Can't wait for the android version of the same.