One Platform. Many Tools.
ToolGK is a fast, privacy-friendly productivity toolkit for developers and everyday users. No sign-ups. No clutter. Just tools.
Popular Tools
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JSON to TOON Converter
Convert JSON into TOON (Token-Oriented Object Notation).
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JSON Formatter
Auto-format, validate, and beautify JSON instantly.
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UUID version 4 Generator
Generate random UUID version 4 identifiers. UUID (Universally Unique Identifiers)
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UUID version 7 Generator
Time-sortable UUIDs for modern systems. UUID (Universally Unique Identifiers)
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Random Strings
Generate secure random strings with custom rules.
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Why ToolGK?
⚡ Fast
Client-side first. Minimal server calls.
🔒 Privacy-Friendly
No tracking. No accounts. No stored data.
🧠 Developer-Focused
Built with real workflows in mind.
🌍 Multi-Language
Language-aware URLs and UI.