Best alternatives to SealSend - Secure Email Encryption Made Simple (2026)
10 Chrome extensions that do a similar job to SealSend, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.
SealSend - Secure Email Encryption Made Simple today
SealSend alternatives, compared
- 1
SendSafely Encryption for Chrome and Gmail
Chrome extension that provides end-to-end encryption for Gmail. Encrypt private emails and securely share files up to 10GB.
≈50K users4.9★ from 16 ratingsUpdated 13 days ago6 permissions- About 8.3× more users than SealSend
- Updated more recently
- Asks for fewer permissions (6 vs 9)
- Listed under Communication
- 2
Mailvelope - Secure your email with PGP
Protect your email conversations and attachments on Gmail, Nextcloud, Outlook & more with PGP and end-to-end encryption.
≈100K users4.3★ from 435 ratingsUpdated 5 months ago8 permissions- About 17× more users than SealSend
- Asks for fewer permissions (8 vs 9)
- Listed under Communication
- 3
Lockmagic Gmail Encryption
Send secure, end to end encrypted email messages to anyone in the world while maintaining control of your shared content
≈2K users4.5★ from 11 ratingsUpdated 24 months ago9 permissions- About 3.0× fewer users than SealSend
- Updated less recently
- Listed under Communication
- 4
Encrypt any email with CipherMail
Encrypt any email message using the S/MIME and certificates technology with CipherMail
≈3K users3.8★ from 6 ratingsNot updated for 4+ yearsNo special permissions- About 2.0× fewer users than SealSend
- Updated less recently
- Asks for fewer permissions (0 vs 9)
- 5
Encryption Tool
Encrypt and decrypt text and files with SHA-256 algorithm; store and sync encrypted textual data.
≈1K users4.3★ from 13 ratingsUpdated 13 months ago5 permissions- About 6.0× fewer users than SealSend
- Updated less recently
- Asks for fewer permissions (5 vs 9)
- Listed under Workflow & Planning
- 6
FlowCrypt: Encrypt Gmail with PGP
Simple end-to-end encryption to secure email and attachments on Google.
≈70K users4.2★ from 361 ratingsUpdated 8 weeks ago14 permissions- About 12× more users than SealSend
- Updated more recently
- Asks for more permissions (14 vs 9)
- Listed under Communication
- 7
SimpleLogin by Proton: Secure Email Aliases
Easily create a different email for each website to hide your real email. Protect your inbox against spams, phishing, data breaches
≈60K users4.7★ from 141 ratingsUpdated 20 months ago8 permissions- About 10× more users than SealSend
- Updated less recently
- Asks for fewer permissions (8 vs 9)
- Listed under Workflow & Planning
- 8
UltraSurf Security, Privacy & Freedom VPN
Secure your connection with one click. Encrypt traffic, protect your privacy, and access the open internet on restricted networks.
≈900K users4.4★ from 20.3K ratingsUpdated 7 months ago7 permissions- About 150× more users than SealSend
- Asks for fewer permissions (7 vs 9)
- 9
Holy Private Bookmarks — Encrypted Local Bookmark Manager
Keep your bookmarks private with master password and AES-256 encryption. All data stays on your device — no cloud, no tracking.
≈1K users4.2★ from 5 ratingsUpdated 11 days ago10 permissions- About 6.0× fewer users than SealSend
- Updated more recently
- Asks for more permissions (10 vs 9)
- Listed under Workflow & Planning
- 10
Browsing Protection
Extension for protecting encrypted browsing with security products.
≈2M users3.3★ from 599 ratingsUpdated 8 days ago9 permissions- About 333× more users than SealSend
- Updated more recently
- Listed under Tools
SealSend alternatives: questions
What is the best alternative to SealSend?
By users, the most popular alternative is Browsing Protection with ≈2M users and a 3.3-star rating. The closest match by what it does is SendSafely Encryption for Chrome and Gmail.
Which SealSend alternative has the best rating?
SimpleLogin by Proton: Secure Email Aliases has the highest rating of these alternatives with 50+ ratings: 4.7 out of 5 from 141 ratings.
Is there a SealSend alternative that asks for fewer permissions?
Encrypt any email with CipherMail asks for 0 permissions, against 9 for SealSend.
How many alternatives to SealSend are there?
We list 10 close alternatives to SealSend on the Chrome Web Store, picked by what they do and ranked by how close they are.
Users and ratings are the figures shown on the Chrome Web Store, re-checked continuously. Alternatives are matched on name, description, category and topic. Browse best-of lists by niche.