Best File Encryption Tools in 2026
Updated
In short: FlowCrypt is ranked #1 of 27 as of 2 October 2026, ahead of Mailvelope and c.Email. The best-ranked option with a free plan is c.Email. The lowest first paid tier on this page is Cryptshare.express at €0.42/mo.
When sending sensitive files or messages, encryption tools can help protect delivery and manage who can access the contents. Compare secure delivery and recipient verification, along with message expiry and attachment limits, to understand how each option handles a recipient’s access. Gmail and Outlook integration may matter for your email workflow, while admin access controls, free-plan availability, and paid-from details provide additional comparison points. FlowCrypt and Mailvelope lead the entries, followed by c.Email and SecureMyEmail; DataMotion Secure Email Exchange and Send It Secure are also among those shown first. Consider which delivery and access features matter for the way you send files.
27 file encryption tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | App | Score | From | Free plan | Paid from | Secure delivery | Recipient verification | Message expiry | Attachment limit | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | FlowCrypt | 7.9 | Free | Yes | — | link | password | Yes | 25 MB | View |
| 2 | Mailvelope | 7.9 | €3/mo | Yes | $2.40/user/mo | attachment | identity | — | 50 MB | View |
| 3 | c.Email | 7.8 | Free | Yes | Free | End-to-end encrypted emails are encrypted and decrypted on the sender's and recipient's devices. | Identity verification and cryptographic proofs authenticate sender identity. | — | — | View |
| 4 |  SecureMyEmail | 7.8 | Free | Yes | — | — | — | — | — | View |
| 5 | DataMotion Secure Email Exchange | 7.8 | — | Yes | — | portal | identity | Yes | 50 MB | View |
| 6 |  Send It Secure | 7.4 | — | Yes | — | portal | identity | Yes | 50 MB | View |
| 7 |  Lockbin | 7.1 | $10/mo | Yes | $10/user/mo | link | password | Yes | 100 MB | View |
| 8 |  gpg4o | 6.8 | €99.95/mo | Yes | — | attachment | identity | No | — | View |
| 9 |  Gpg4win | 6.7 | — | Yes | — | attachment | identity | — | — | View |
| 10 |  Encryptomatic OpenPGP | 6.7 | $2.50/mo | Yes | $29.99/user/mo | End-to-end encryption from sender to receiver. | The recipient needs OpenPGP software to decrypt the message. | — | — | View |
| 11 | Virtru Email Encryption | 6.5 | $119/mo | No | — | link | identity | Yes | 150 MB | View |
| 12 | RMail | 6.5 | — | — | — | attachment | password | Yes | 10 MB | View |
| 13 |  Secure Message | 6.3 | — | Yes | — | link | — | Yes | — | View |
| 14 |  PDF Postman | 6.3 | $79.99/mo | Yes | — | attachment | password | — | — | View |
| 15 |  Mimecast Secure Messaging | 6.2 | — | — | — | portal | — | Yes | — | View |
| 16 |  Proofpoint Email DLP and Encryption | 6.1 | — | — | — | portal | — | Yes | — | View |
| 17 |  Trustifi Outbound Shield | 5.9 | — | No | — | link | password | Yes | — | View |
| 18 |  Paubox Email Encryption | 5.9 | $29/mo | No | — | link | password | No | 150 MB | View |
| 19 |  Virtru Data Security Platform | 5.9 | $119/mo | No | — | — | — | — | — | View |
| 20 |  MailHippo | 5.7 | $4.95/mo | No | $4.95/user/mo | portal | password | Yes | 50 MB | View |
| 21 |  Cryptshare.express | 5.5 | €0.42/mo | No | — | portal | password | Yes | 10,240 MB | View |
| 22 |  Sophos Secure Message | 5.4 | — | — | — | — | password | Yes | — | View |
| 23 |  OpenText Core Email Encryption | 5.2 | — | — | — | portal | password | — | — | View |
| 24 | OpenText Core Email Message Privacy | 5.1 | — | — | — | link | — | Yes | — | View |
| 25 |  GPG Suite | 4.6 | — | No | — | — | — | — | — | View |
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which file encryption tool is ranked first on Freedom251?
FlowCrypt is ranked #1 of 27 with a score of 7.9. Mailvelope is second and c.Email third.
How many of these have a free plan?
5 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Cryptshare.express has the lowest first paid tier we found: €0.42/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation. Paid placements never change a rank.