Best File Encryption Tools in 2026
Updated
In short: DataMotion Secure Email Exchange is ranked #1 of 27 as of 2 October 2026, ahead of FlowCrypt and c.Email. The best-ranked option with a free plan is FlowCrypt. The lowest first paid tier on this page is Cryptshare.express at €0.42/mo.
For protected email and file sharing, consider both recipient access and how a tool fits the mail setup your team already uses. This ranking compares admin access controls, recipient verification, secure delivery and message expiry, plus attachment limits and Gmail or Outlook integration. Free-plan availability and paid-from pricing add cost context. DataMotion Secure Email Exchange and FlowCrypt appear first, followed by c.Email. Use these details to weigh delivery and access requirements against your attachment needs and existing email workflow.
27 file encryption tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Secure delivery | |
|---|---|---|---|---|---|---|---|---|
| 1 | DataMotion Secure Email Exchange | 8.6 | RecognisedAPIDocumented | — | Yes | — | portal | View |
| 2 | FlowCrypt | 7.5 | RecognisedAPIDocumented | Free | Yes | — | link | View |
| 3 | c.Email | 7.5 | RecognisedAPIDocumented | Free | Yes | Free | End-to-end encrypted emails are encrypted and decrypted on the sender's and recipient's devices. | View |
| 4 |  Virtru Data Security Platform | 7.5 | RecognisedAPIDocumented | $119/mo | No | — | — | View |
| 5 | Mailvelope | 7.4 | RecognisedAPIDocumented | €3/mo | Yes | $2.40/user/mo | attachment | View |
| 6 |  MailHippo | 7.3 | RecognisedAPIDocumented | $4.95/mo | No | $4.95/user/mo | portal | View |
| 7 |  SecureMyEmail | 7.0 | RecognisedAPIDocumented | Free | Yes | — | — | View |
| 8 |  Send It Secure | 7.0 | RecognisedAPIDocumented | — | Yes | — | portal | View |
| 9 | Virtru Email Encryption | 6.5 | RecognisedAPIDocumented | $119/mo | No | — | link | View |
| 10 | RMail | 6.4 | RecognisedAPIDocumented | — | — | — | attachment | View |
| 11 |  Lockbin | 6.4 | RecognisedAPIDocumented | $10/mo | Yes | $10/user/mo | link | View |
| 12 |  gpg4o | 6.4 | RecognisedAPIDocumented | €99.95/mo | Yes | — | attachment | View |
| 13 |  Trustifi Outbound Shield | 6.2 | RecognisedAPIDocumented | — | No | — | link | View |
| 14 |  Proofpoint Email DLP and Encryption | 6.2 | RecognisedAPIDocumented | — | — | — | portal | View |
| 15 |  Gpg4win | 6.2 | RecognisedAPIDocumented | — | Yes | — | attachment | View |
| 16 |  Encryptomatic OpenPGP | 6.2 | RecognisedAPIDocumented | $2.50/mo | Yes | $29.99/user/mo | End-to-end encryption from sender to receiver. | View |
| 17 |  Paubox Email Encryption | 6.1 | RecognisedAPIDocumented | $29/mo | No | — | link | View |
| 18 |  Mimecast Secure Messaging | 6.0 | RecognisedAPIDocumented | — | — | — | portal | View |
| 19 |  Cryptshare.express | 5.8 | RecognisedAPIDocumented | €0.42/mo | No | — | portal | View |
| 20 |  PDF Postman | 5.8 | RecognisedAPIDocumented | $79.99/mo | Yes | — | attachment | View |
| 21 |  Secure Message | 5.7 | RecognisedAPIDocumented | — | Yes | — | link | View |
| 22 |  Sophos Secure Message | 5.5 | RecognisedAPIDocumented | — | — | — | — | View |
| 23 |  OpenText Core Email Message Privacy | 5.5 | RecognisedAPIDocumented | — | — | — | link | View |
| 24 | OpenText Core Email Encryption | 5.2 | RecognisedAPIDocumented | — | — | — | portal | View |
| 25 | KnowBe4 | 4.9 | RecognisedAPIDocumented | $2.40/mo | No | $2.40/user/mo | — | View |
Is your platform 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 Inferse?
DataMotion Secure Email Exchange is ranked #1 of 27 with a score of 8.6. FlowCrypt 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 on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.