data in → result out • nothing leaves your browser

Small tools. No uploads.

AutomationVault is a growing collection of free, single-purpose utilities that run entirely in your browser. Paste, convert, copy, done.

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03 on file

JSON → CSVJSON to CSV ConverterPaste JSON, get a clean CSV you can copy or download.CSV → JSONCSV to JSON ConverterPaste or upload a CSV, get formatted JSON with headers detected.Markdown → HTMLMarkdown to HTML ConverterWrite Markdown, get sanitized HTML with a live preview.

Every tool here does exactly one job, loads fast, and processes your data on your own machine. Nothing you paste is uploaded or stored. Missing a tool you need? Tell us and it goes on the build list.