The productivity suite you'd build for yourself.
File sync, VPN, email, notes, passwords—built fast, designed simply, encrypted by default. Private AI that runs locally.
One suite, complete privacy.
Every product is built with local AI and end-to-end encryption. Your data stays on your devices.
Carbon Sync
BetaSync across all your devices. Share with anyone—no signup required. Local AI search.
Carbon VPN
SoonNo accounts. No logs. Just a random number. Pay with Bitcoin or Lightning.
Carbon Mail
SoonA beautiful inbox with AI that runs locally. Smart features without cloud surveillance.
Carbon Notes
SoonMarkdown editor with local AI. Writing help and smart organization on your device.
Carbon Vault
SoonPassword manager with local AI insights. Your vault never touches our servers.
AI that respects your privacy.
Most apps send your data to the cloud for AI processing. Carbon is different—our AI runs entirely on your device. Your files, emails, and notes are never uploaded.
Runs on your device
AI processing happens locally using Apple Silicon or your GPU.
No cloud uploads
Your files, emails, and notes never touch remote AI servers.
Never used for training
Your data isn't used to improve AI models. Ever.
Fast & offline-capable
Instant responses. Works without internet after initial setup.
Your data stays home. The AI visits.
Private by design, not by promise.
We can't read your data even if we wanted to. This isn't a policy—it's math.
Zero-knowledge encryption
Files encrypted on your device before upload. We can't read your data.
You control the keys
Encryption keys never leave your device. No backdoors, no exceptions.
Swiss data storage
Your encrypted data stored in Switzerland. Strong privacy laws, no surveillance.
Verifiable by you
SSH access to your storage. Inspect, download, or delete your files anytime.
Ready to take back your privacy?
Start with 10 GB free. No credit card required. Upgrade or downgrade anytime.