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Useful tools, one tab away

Solve the task.
Keep your data.

Direct, free technical utilities designed to run in your browser without accounts or installations.

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Explore

A clear structure for finding what helps.

01

Tools

Focused utilities for a specific task and a reliable result.

02

Categories

Data, development, networking, embedded and electronics.

03

Guides

Technical explanations with examples you can verify.

04

Topics

Ordered paths for mastering JSON, YAML, IPv4, and timestamps.

Principles

Useful before impressive.

  • 01

    No account

    Open, solve and continue with your work.

  • 02

    Local-first

    Your data stays on your device whenever possible.

  • 03

    Human review

    A focused catalogue with verified examples and edge cases.