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A Strong Foundation for Your Communication
All our Threema solutions are unique in their implementation, yet they are built on the same strong foundation. The three aspects of trust, transparency, and technology form the core of our philosophy and provide the basis for secure, reliable, and future-proof communication solutions.
More than 8,000 organizations and over 12 million people worldwide trust Threema for secure communication.
TRUST
Secure communication starts with trust. Threema protects your content through consistent end-to-end encryption – without requiring any personal information such as a phone number or email address. The principle of data minimization is at the core of our approach. Millions of users worldwide, both private individuals and businesses, rely on this security every day.
TRANSPARENCY
If you promise security, you have to prove it. Threema is open source, undergoes regular independent audits, and fully complies with all GDPR requirements. Instead of tracking or hidden data usage in our applications, we rely on consistent data minimization and clear processes, ensuring full transparency.
TECHNOLOGY
Modern, powerful, and versatile: Threema relies on future-proof technology to enable stable, cross-platform communication – whether for private use, within organizations, or fully self-hosted. With Active Directory and MDM integration, APIs, and a flexible infrastructure, Threema seamlessly adapts to any environment. Secure communication is made in Switzerland.
Privacy Without Compromise
Communicate with friends and family in complete confidentiality – no data snooping, no metadata collection, no compromises.
A Statement for the Protection of Your Digital Identity
Threema is the secure messaging app for individuals that consistently focuses on data protection and anonymity. Every message, call, and shared file is protected by proven open-source encryption technology. With Threema’s verification levels, you can see how trustworthy your contact is, so you know who you’re dealing with even without providing personal information.
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Maximum control over your digital identity: You decide how much you want to disclose.
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Your conversations are guaranteed to be visible only to you and your contacts – never to us or third parties.
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No collection of user data, no ads.
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Anonymous use without providing a phone number or email address, thanks to a randomly generated Threema ID.
Security and Privacy by Design
Get a truly trustworthy messenger without hidden agendas or backdoors: chats, contact lists, and groups are managed in a decentralized manner directly on the involved devices – no data is stored on a server. This way, your communication remains private and fully under your control at all times.
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End-to-end encrypted voice, video, and group calls.
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Open source.
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No sharing of your messages with AI.
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Regular security audits are conducted by external experts.
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Perfect Forward Secrecy prevents past messages from being decrypted even if a key is stolen.
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No advertising, no data trading, no hidden interests.
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100% Swiss-made and GDPR-compliant.
Communicate securely – anywhere and at any time
Enjoy all the features of a modern communication app in an environment that respects and protects your privacy. Threema Private can be used as a mobile app and on the desktop.
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Secure instant messaging.
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Group chats.
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Voice, video, and group calls.
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Voice messages.
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Exchange of photos, videos, and files.
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Create polls.
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Hide private chats and protect them with a passcode.
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Edit and delete sent messages.