Online Dev Tools – Fast browser-based tools for devs and security engineers

Summary: Online Dev Tools is a browser-based suite that runs locally to inspect, transform, and debug data without uploading files or sending information to servers. It includes utilities for JSON formatting, JWT decoding, regex testing, base64 encoding/decoding, hashing, URL parsing, CSP analysis, and YAML validation.

What it does

The toolkit provides multiple utilities accessible in-browser for processing and analyzing data by pasting input and receiving immediate output without server interaction.

Who it's for

It is designed for developers and security engineers who need quick access to common debugging and data inspection tools.

Why it matters

It consolidates essential development and security workflows into one local, privacy-focused platform, reducing friction during debugging and incident response.