{ "tools": 12 }
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12 Tools Available • Always Free

Essential Tools for Developers

A curated collection of privacy-first developer tools. Format JSON, generate UUIDs, create hashes, and much more.All tools work offline and respect your privacy.

Explore Tools
Privacy-first • No data collection • Works offline
12+
Tools
100%
Privacy
0
Data Stored

Choose Your Developer Tool

All tools are designed with privacy in mind. No data leaves your browser, and everything works offline.

Why Developers Choose StackToolkit

Built with modern web standards and best practices in mind

100% Private

No data collection, no tracking, no analytics. Everything stays in your browser.

Works Offline

All tools function without internet connection once loaded. Perfect for secure environments.

Lightning Fast

Optimized for performance with instant results and minimal loading times.

Developer First

Built by developers, for developers. Clean UI, keyboard shortcuts, and efficient workflows.

Why Choose StackToolkit?

Built with privacy and performance in mind. All our tools run entirely in your browser.

Privacy First

No data collection, no tracking. Everything runs locally in your browser.

Lightning Fast

Optimized for performance with instant results and minimal loading times.

Works Offline

All tools work without an internet connection once the page is loaded.