About DevHexLab
DevHexLab is a free collection of developer tools built for people who want answers fast without signing up, installing anything, or surrendering their data.
Why we built this
Every developer has their set of go-to tools scattered across bookmarks, browser extensions, and random websites. Too many of those sites are slow, covered in ads, or require an account just to format a JSON string.
DevHexLab exists because those tools should be fast, clean, and in one place. We cover everything from JSON formatting and Base64 encoding to regex testing, color contrast checking, UUID generation, and password security.
All 60+ tools run in your browser. Nothing is sent to a server. The site is fast, mobile friendly, and built to stay out of your way so you can focus on what matters.
Instant results
Every tool runs entirely in your browser. There is no server round-trip and no waiting. Results appear as fast as you can type.
Private by design
Your data never leaves your device. We do not log, track, or store anything you paste into our tools.
Always free
DevHexLab is and will remain free. No paywalls, no premium tiers, no account required.
Have a suggestion or found an issue? We would love to hear from you.