SafeQuard - Gmail Encryption/Decryption by pQCee icon

SafeQuard - Gmail Encryption/Decryption by pQCee

by PQCEE PTE LTD · Tools
Manifest V3 Free
View in Chrome Web Store Data as of 18 Oct 2026

Post-Quantum Cryptography for Gmail. Encrypt and decrypt emails with ease.

Users
97
+83 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
4
0 in 30 days
Store rank
#85K
#71K among extensions
Version
1.16
updated 9 Oct 2026

Users

monthly, 15 months
25097Aug 2025Apr 2026Oct 2026
Latest, 18 Oct 2026: 97 usersMove the mouse over the chart for any month

Ratings count

monthly, 15 months
024Aug 2025Apr 2026Oct 2026
Latest, 18 Oct 2026: 4 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About SafeQuard - Gmail Encryption/Decryption by pQCee

SafeQuard by pQCee is a powerful Chrome extension that brings post-quantum secure encryption directly to your Gmail inbox. Designed for the next era of cybersecurity, SafeQuard protects your emails and attachments from both current and future threats—including those posed by quantum computers. Whether you're sending sensitive documents or confidential messages, SafeQuard ensures your communication is secure, private, and verifiable from sender to recipient. Key Features: - One-Click Email & Attachment Encryption: Effortlessly encrypt Gmail messages and file attachments directly from the compose window—with just a single click. No complicated setup or third-party tools needed. - Post-Quantum Cryptography: Built on robust post-quantum cryptographic algorithms, SafeQuard is engineered to withstand future attacks by quantum computers, offering forward-looking security. - Seamless Decryption Options: Encrypted emails can be decrypted easily within Gmail. Choose to view decrypted content in your inbox or download it securely—your data, your control. - Secure in Transit: All emails and attachments remain encrypted and protected while in transit. Only the intended recipient can decrypt the message—no prying eyes in between. - Authenticity & Integrity Checks: Each encrypted message includes cryptographic integrity checks to ensure it hasn't been tampered with, so you can trust the authenticity of every message you receive. - Integrated Gmail Experience: SafeQuard works right inside your Gmail interface, preserving your familiar workflow while adding powerful security under the hood. - Who It's For: Ideal for professionals, legal teams, researchers, healthcare providers, enterprises, and anyone who values data confidentiality and long-term security. Future-proof your communication today.

Growth

WindowUsersChangeRatingsRating
7 days+27+38.6%00.00
30 days+83+592.9%00.00
6 months+86+781.8%00.00
1 year+86+781.8%+20.00

Chrome Web Store search rankings

Where SafeQuard - Gmail Encryption/Decryption by pQCee appears when people search the store, with the 30 day change
Search phrasePosition30 days
encrypt#51+4

Version history

14 versions recorded
1.169 Oct 2026
1.1514 Jul 2026
1.1414 May 2026
1.131 Apr 2026
1.1220 Jan 2026
1.1112 Dec 2025
1.1011 Dec 2025
1.94 Nov 2025

Details

Category
Tools
First seen
1 Aug 2025
Size
460 KB
Languages
en
Pricing
Free
Privacy policy
pqcee.com
Support
pqcee.com
Extension ID
nhncgfleellpcjpmiljlcehgflmifabo

Permissions and risk

Moderate riskimpact 2, likelihood 2
Permissions
storageidentityidentity.emailoffscreen
Site access
https://mail.google.com/*https://www.googleapis.com/*https://gmail.googleapis.com/*

Alternatives to SafeQuard - Gmail Encryption/Decryption by pQCee

Extensions that rank for the same store searches or share the Tools category, ordered by users