Add ToolBox - 170+ free browser-based dev tools

[Johin2]

I'd like to submit my site to DevToolset.

Name: ToolBox
URL: https://www.toolbox-kit.com
Description: A free, privacy-first collection of 170+ browser-based developer tools: JSON formatter, diff checker, regex tester, hash/UUID generators, image compressor, Base64 encoder/decoder, JWT decoder, and more. Everything runs 100% client-side in the browser, no upload and no signup for core tools.
Category: Developer Utilities
Tags: Online Tools, Formatter, Converter

Notes:

• Developer tools only.
• No affiliate links.
• URL is accessible (returns 200).