zerodatatools
Free browser utilities. No account. No server. Ever.
What is zerodatatools?
Free browser tools for developers and AI practitioners. No account. No backend. No data leaves your device. Three tools live now: - Prompt Constructor — block-based LLM system prompt builder, export as Markdown/XML/plain text - Data Converter — CSV, JSON, Excel conversion, fully local - MCP Scaffold Generator — TypeScript, Python (FastMCP), or SKILL.md boilerplate Single HTML file. Works offline.
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