七麦数据

Private video calls and encrypted messaging with blockchain-level security.
Get a random 9-digit phone-like number that is anonymous and doesn’t link to your identity. Create a video and voice call where data streams travel device-to-device (P2P) and keys are generated on your device (secured with an Ethereum-like account). Not on-chain.

Key features
* Secure Video Calls
Private, device-to-device calls with encryption keys created locally on your device. Fast, secure, and built for privacy-first communication.

* Encrypted Messaging
End-to-end encrypted chats are protected with asymmetric cryptography. Turn on Disappearing messages and set a timer so messages delete after your contact sees them.

* EXTRA SAFE number (private calling)
Your 9-digit in-app identity for calls and chats. Share it so people can reach you without exposing personal details. Great for anonymous calling.

* Free Online Meetings
Host private video meetings with up to 5 participants. Send a link and people can join your call even if they have not installed the app. Perfect for quick and secure collaboration (screen sharing included in the browser version).

* Tablet-ready, phone-like experience
Turn a SIM-less tablet into a private caller. Use your EXTRA SAFE number to place and receive voice calls over Wi-Fi, and send encrypted messages.

Private video calls and encrypted messaging with blockchain-level security.
Get a random 9-digit phone-like number that is anonymous and doesn’t link to your identity. Create a video and voice call where data streams travel device-to-device (P2P) and keys are generated on your device (secured with an Ethereum-like account). Not on-chain.

Key features
* Secure Video Calls
Private, device-to-device calls with encryption keys created locally on your device. Fast, secure, and built for privacy-first communication.

* Encrypted Messaging
End-to-end encrypted chats are protected with asymmetric cryptography. Turn on Disappearing messages and set a timer so messages delete after your contact sees them.

* EXTRA SAFE number (private calling)
Your 9-digit in-app identity for calls and chats. Share it so people can reach you without exposing personal details. Great for anonymous calling.

* Free Online Meetings
Host private video meetings with up to 5 participants. Send a link and people can join your call even if they have not installed the app. Perfect for quick and secure collaboration (screen sharing included in the browser version).

* Tablet-ready, phone-like experience
Turn a SIM-less tablet into a private caller. Use your EXTRA SAFE number to place and receive voice calls over Wi-Fi, and send encrypted messages.

Worried about privacy during online meetings? EXTRA SAFE is the most secure, no-sign-up video conferencing app built for privacy-first communication. No time limits. No accounts. All data is erased after each session, leaving no trace behind.

Using end-to-end encryption and P2P technology, EXTRA SAFE ensures your video calls, messages, screen shares, and file transfers are never stored on any server. It’s private, fast, and completely free.

Key Features:
*Phone calls*

*Secure Video Calls*
Enjoy fully encrypted video meetings with zero server storage. Encryption keys are generated locally and never leave your device, guaranteeing true end-to-end privacy.

*Encrypted Messaging*
Send private messages directly to colleagues, clients, or even family and friends. Asymmetric encryption secures every message, with no third-party server involved.

*Free Online Meetings*
Host encrypted video meetings for up to 5 participants. No registration or time limits, ideal for professionals, legal teams, and remote collaborators.

*P2P File Sharing*
Transfer files securely between devices. Files and docs are never stored and are deleted automatically at the end of the session.

*Screen Sharing*
Share your screen in real time with one click. No downloads or sign-ins - just send a link to start collaboration instantly.

Whether you're a professional handling confidential data or a privacy-conscious person, EXTRA SAFE gives you the space to communicate freely, without compromising your security, making it a great Jitsi, Signal, or even Zoom alternative.

No accounts. No limits. No unwanted access. Just pure privacy.

Worried about privacy during online meetings? EXTRA SAFE is the most secure, no-sign-up video conferencing app built for privacy-first communication. No time limits. No accounts. All data is erased after each session, leaving no trace behind.

Using end-to-end encryption and P2P technology, EXTRA SAFE ensures your video calls, messages, screen shares, and file transfers are never stored on any server. It’s private, fast, and completely free.

Key Features:
*Phone calls*

*Secure Video Calls*
Enjoy fully encrypted video meetings with zero server storage. Encryption keys are generated locally and never leave your device, guaranteeing true end-to-end privacy.

*Encrypted Messaging*
Send private messages directly to colleagues, clients, or even family and friends. Asymmetric encryption secures every message, with no third-party server involved.

*Free Online Meetings*
Host encrypted video meetings for up to 5 participants. No registration or time limits, ideal for professionals, legal teams, and remote collaborators.

*P2P File Sharing*
Transfer files securely between devices. Files and docs are never stored and are deleted automatically at the end of the session.

*Screen Sharing*
Share your screen in real time with one click. No downloads or sign-ins - just send a link to start collaboration instantly.

Whether you're a professional handling confidential data or a privacy-conscious person, EXTRA SAFE gives you the space to communicate freely, without compromising your security, making it a great Jitsi, Signal, or even Zoom alternative.

No accounts. No limits. No unwanted access. Just pure privacy.

Worried about privacy during online meetings? EXTRA SAFE is the most secure, no-sign-up video conferencing app built for privacy-first communication. No time limits. No accounts. All data is erased after each session, leaving no trace behind.

Using end-to-end encryption and P2P technology, EXTRA SAFE ensures your video calls, messages, screen shares, and file transfers are never stored on any server. It’s private, fast, and completely free.

Key Features:
*Phone calls*

*Secure Video Calls*
Enjoy fully encrypted video meetings with zero server storage. Encryption keys are generated locally and never leave your device, guaranteeing true end-to-end privacy.

*Encrypted Messaging*
Send private messages directly to colleagues, clients, or even family and friends. Asymmetric encryption secures every message, with no third-party server involved.

*Free Online Meetings*
Host encrypted video meetings for up to 5 participants. No registration or time limits, ideal for professionals, legal teams, and remote collaborators.

*P2P File Sharing*
Transfer files securely between devices. Files and docs are never stored and are deleted automatically at the end of the session.

*Screen Sharing*
Share your screen in real time with one click. No downloads or sign-ins - just send a link to start collaboration instantly.

Whether you're a professional handling confidential data or a privacy-conscious person, EXTRA SAFE gives you the space to communicate freely, without compromising your security, making it a great Jitsi, Signal, or even Zoom alternative.

No accounts. No limits. No unwanted access. Just pure privacy.

Worried about privacy during online meetings? EXTRA SAFE is the most secure, no-sign-up video conferencing app built for privacy-first communication. No time limits. No accounts. All data is erased after each session, leaving no trace behind.

Using end-to-end encryption and P2P technology, EXTRA SAFE ensures your video calls, messages, screen shares, and file transfers are never stored on any server. It’s private, fast, and completely free.

Key Features:
*Phone calls*

*Secure Video Calls*
Enjoy fully encrypted video meetings with zero server storage. Encryption keys are generated locally and never leave your device, guaranteeing true end-to-end privacy.

*Encrypted Messaging*
Send private messages directly to colleagues, clients, or even family and friends. Asymmetric encryption secures every message, with no third-party server involved.

*Free Online Meetings*
Host encrypted video meetings for up to 5 participants. No registration or time limits, ideal for professionals, legal teams, and remote collaborators.

*P2P File Sharing*
Transfer files securely between devices. Files and docs are never stored and are deleted automatically at the end of the session.

*Screen Sharing*
Share your screen in real time with one click. No downloads or sign-ins - just send a link to start collaboration instantly.

Whether you're a professional handling confidential data or a privacy-conscious person, EXTRA SAFE gives you the space to communicate freely, without compromising your security, making it a great Jitsi, Signal, or even Zoom alternative.

No accounts. No limits. No unwanted access. Just pure privacy.

Worried about privacy during online meetings? EXTRA SAFE is the most secure, privacy-first video conferencing app built for professionals, families, and friends who value confidential communication. No accounts required. No data stored. Each session leaves zero trace.

EXTRA SAFE uses advanced encryption and P2P technology to ensure your video meetings, messages, screen share, and file transfer stay private. Your conversations never pass through a central server, and encryption keys are generated locally – just like in Bitcoin – so your data stays on your device and nowhere else.

Key Features:

Private Phone Calls
Make free calls without exposing your identity, phone number, or metadata. Unlike any typical calling app, EXTRA SAFE doesn’t store any logs, doesn’t ask for permissions, and never collects your personal data. Whether you're on WiFi or cellular, we keep your conversations completely private.

Video Conference
Host secure, p2p video calling with up to 5 participants and no time limit.

No Signup Required
Start using instantly – no email, no phone number, no sign up. All data is erased after each session, leaving nothing behind to track or hack.

Contact List
Save frequent contacts by their EXTRA SAFE ID for quick access. Import contacts from another platform and make instant calls with a single tap.


Call History
Quickly redial recent 1:1 voice calls or launch a group call with one tap. Just like your phone call app – only private and secured, just like Bitcoin and Ethereum.

EXTRA SAFE ID
Choose your own numeric EXTRA SAFE ID – like a phone number for the privacy era. Dial an ID to call directly, no need to share an invite link each time

Whether you're a business professional, crypto trader, or someone who values online privacy, EXTRA SAFE is your trusted alternative to Zoom, Signal, and Jitsi.
EXTRA SAFE is built for those who won’t compromise on privacy.

Communicate. Share. Collaborate securely.