About DevToolkit

Built by developers, for developers.

DevToolkit was created out of a simple frustration: every time we needed to format some JSON or decode a JWT during our daily workflows, we had to rely on ad-ridden websites that sent our sensitive payloads to unknown backend servers.

We believed there had to be a better way. A way that respects your privacy, works instantly, and feels like a native application.

Privacy First

We leverage modern browser APIs and WebAssembly to process your data locally. Zero server uploads.

Blazing Fast

No network round-trips means instant feedback as you type, validate, and format your code.

Clean Design

An interface designed to get out of your way. Minimal, dark-mode ready, and distraction-free.

Our Vision

We are continuously expanding DevToolkit. Our goal is to become the ultimate, single-page application for every small utility a software engineer needs on a daily basis.

From Base64 encoding to Regex testing, we're building it all right here.