DevsTools – All-in-one free web toolbox: JSON, UUID, hash, QR, more

Summary: DevsTools offers 27+ developer utilities in a free, no-login web toolbox that runs entirely client-side. It enables JSON formatting and validation, Base64 encoding/decoding, UUID generation, QR code creation, regex testing, and hash generation without sending data off-browser.

What it does

It provides fast, client-side tools for common developer tasks like JSON handling, encoding, UUIDs, QR codes, regex tests, and MD5/SHA hashing within a single interface accessible on desktop and mobile.

Who it's for

Developers needing quick access to multiple utilities for data formatting, encoding, and testing in one place without installation or login.

Why it matters

It keeps all data processing local to the browser, ensuring privacy and speed while consolidating essential dev tools in one accessible platform.