Minimal design, full features.
Everything you need to communicate securely.


Team Chats

Collaborate securely

Chat securely with as many people as you’d like. Create and manage secure discussion Rooms for groups, projects, departments or any purpose you choose.

Cross Platform

Multiple devices

Peerio works on mobile and desktop operating systems, and all major browsers (Windows, Mac, Linux, Android, and iOS).

Unlimited File Sizes

Upload any file, any size

With Peerio you can encrypt and share files of any size. The power of unconditional secure sharing and storing of data.

Upload Speed

Stop waiting

Peerio is fast! Peerio’s encryption doesn’t compromise your upload/download performance speeds.

Automatic Resumes

Protection from weak signals

Peerio intelligently handles poor connectivity by automatically pausing and resuming uploads and downloads.

Redundant Backups

Never lose anything

Peerio data is securely backed up and stored in at least three separate server facilities, ensuring that your data is safe even in the event of catastrophic data center damage. Only you can delete your files.


Default Encryption

True End-to-end encryption

Peerio encrypts all your messages and files right on your device, so they’re secure wherever they go - on any device, anywhere, to anyone.

Identity Verification

Validate your contacts

Peerio alerts you whenever a contact’s account seems compromised. We offer easy ways to verify that you’re talking to the right person, and not an imposter.


Control your privacy

Peerio’s end-to-end encryption guarantees that only you and your recipients can read what you share. No one else has access. Not even us.


Security audits

Peerio is independently audited by expert cryptographers at least twice a year. These experts try to break the apps, and identify any vulnerabilities that can be exploited as security threats evolve. If we don’t pass, we don’t ship.

Open Source

Complete Transparency

Peerio is open source so our code can be reviewed by developers to validate that we are doing what we say we are doing.

Bug Bounty

We encourage public review

Peerio is so confident that our app is secure, we offer a monetary reward to anyone who can find security bugs or vulnerabilities.