valsec is a collection of the developer and security utilities you reach for every day, built around three principles: privacy, speed and correctness.
Private by design
Every tool runs client-side. The passwords, tokens and data you paste never touch a server — there is nothing to upload, log or leak. Where a tool needs external data (like the Have I Been Pwned breach check), it uses privacy-preserving k-anonymity so your secrets stay on your device.
Fast and frictionless
No sign-up, no clutter, no waiting. Open a tool and get an answer. Everything is keyboard-friendly and works great on mobile.
Built for engineers
Sensible defaults, correct edge cases and copy-ready output. valsec is made by people who use these tools daily and care about the details.