A more disciplined approach to private communication.

K9Crypt is built for people who expect secure communication to feel dependable, clear, and uncompromising.

Make high-trust communication feel simple, serious, and accessible.

We believe privacy infrastructure should be understandable in use and rigorous in implementation. That means fewer distractions, tighter systems, and product decisions that respect the sensitivity of every message.

Zero-knowledge

We do not depend on access to user content.

The system is structured so sensitive information remains inaccessible to us.

Security review

Critical paths are designed for scrutiny.

Implementation choices prioritize predictable behavior, smaller attack surface, and operational clarity.

Performance

Fast by design, not by shortcuts.

Low-latency interaction and lean interfaces help security stay usable at scale.

Privacy first

Communication stays private by default, not as an optional mode.

Auditable systems

Security decisions are designed to be inspectable, measurable, and defensible.

Calm reliability

We reduce complexity so the product stays fast, stable, and easy to trust.

A compact team with a clear operating standard.

K9Crypt is built by a focused group working across engineering, product thinking, and communication.

Fatih Yilmaz

Founder & Lead Developer

Leads product direction, application architecture, and the security model behind K9Crypt.

Emre Baran Sahin

Marketing Lead

Shapes communication, positioning, and the way K9Crypt is introduced to new audiences.

Sarp Acar

Backend Developer

Builds core backend flows with a focus on durability, performance, and maintainable delivery.