About the CSV to JSON converter
This first version is made for straightforward comma-separated data with quoted values. Very large files should use a streaming parser in the later production app.
Questions
Is anything uploaded?
No for this tool. The calculation or conversion runs in your browser.
Does it work on mobile?
Yes. The same workspace adapts to smaller screens and keeps the primary controls visible.
Is it free?
Yes. Simple Tools is designed as a free, fast utility suite.