🗝️ChatLock
Protect your data with Private AI. Your data never leaves your control.
Your chat history stays local
Your chat history is stored and encrypted locally in your browser, not on external servers.
Zero data retention
Our AI providers never store, track, or use your data to train models. Conversations are processed in real-time and immediately deleted.
End to End encryption
Your chat history and files are encrypted with a key that only you know, nobody else.
The private AI platform
for your company

Everything you need for private AI conversations
End-to-end encrypted history, stored locally.
Your chats are encrypted on this device by default. Only you hold the decryption key, guaranteeing the privacy of your history.(Optional) Sync on the cloud to work across devices
Your data is encrypted before it leaves your device, and our servers only store encrypted files. Only you have the key.Choose the AI model you want, keep the same privacy guarantees
Use the assistant that fits your needs without changing how your data is protected. The same encryption and privacy rules apply every time.Chat with your files
Upload PDFs, images, and documents and ask questions directly about them. Your files stay protected under the same end-to-end encryption approach.GDPR-compliant, hosted in the EU
All our infrastructure is located in the European Union, ensuring full compliance with GDPR regulations. Your data is subject to the world's strictest privacy laws and never leaves EU borders.PRIVACY. PRECISION. PROTECTION.
Private by design, trusted by Europe.
Your data, your device, your control.
Trusted by product builders
Mainline is built on the habits that make the best product teams successful: staying focused, moving quickly, and always aiming for high-quality work.

We're misusing Mainline as a CRM and it still works!
Amy Chase, PM
Mercury Finance

I was able to replace 80% of my team with Mainline bots.
Jonas Kotara, Lead Engineer
Mercury Finance

Founder Mode is hard enough without having a really nice PM app.
Kevin Yam, Founder
Mercury Finance

I can use the tool as a substitute from my PM.
Kundo Marta, Founder
Mercury Finance

We're misusing Mainline as a CRM and it still works!
Amy Chase, PM
Mercury Finance

I was able to replace 80% of my team with Mainline bots.
Jonas Kotara, Lead Engineer
Mercury Finance

Founder Mode is hard enough without having a really nice PM app.
Kevin Yam, Founder
Mercury Finance

I can use the tool as a substitute from my PM.
Kundo Marta, Founder
Mercury Finance
Best of Both Worlds
The privacy of on-premise with
the power and flexibility of the cloud
🗝️ChatLock Private AI Cloud | OpenAI GPT models | On-Prem Self-hosted LLMs | |
|---|---|---|---|
| Data Privacy | |||
| Zero Data Retention | |||
| Chat history access | Impossible (only the user holds the encryption key) | Possible | Organization-controlled |
| Features | |||
| Cloud Convenience | |||
| Setup Costs | Low | Low | High |
| Complexity | Low | Low | High |
| Scalability | Excellent | Good | Limited |
Pricing
Enterprise
Tailored solutions for organizations of any size.
Custom/mo
- On request
- Dedicated support
- Single Sign-On (SSO)
- Audit logs
- Data Processing Agreement (DPA)
- Custom contracts
Got Questions?
If you can't find what you're looking for, get in touch.


