Developer Toolbox Chrome extension logo

Developer Toolbox

A privacy-first developer utility toolbox for inspecting pages, extracting assets, formatting data, and more — entirely local.

Privacy & SecurityBy Inspect and test JSON-LD, Schema.org
Free
Updated 2026-09-06

Developer Toolbox screenshots

Developer Toolbox Chrome extension screenshot 1
Screenshots from the Chrome Web Store listing for Developer Toolbox.

Overview

A privacy-first developer utility toolbox for inspecting pages, extracting assets, formatting data, and more — entirely local.

Pricing

Developer Toolbox is free. There is no paid tier to consider.

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Frequently asked questions

Is Developer Toolbox free?

Yes, Developer Toolbox is free to install and use.

What are the best Developer Toolbox alternatives?

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