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Drop a CSV or paste rows to get JSON, or paste JSON array of objects to get CSV. Auto-detects numbers, booleans, nulls.
This csv ↔ json converter runs 100% in your browser. Nothing you paste, drop, or generate ever leaves your device - no analytics on your input, no uploads, no logs.
RFC 4180 quoting supported.
Same browser-only philosophy. Free, no signup, no upload.
Convert CSV files into JSON arrays with auto-detected types.
Convert a JSON array of objects into a downloadable CSV file.
Convert between YAML and JSON instantly with full type support.
Convert between JPG and PNG with quality and transparency control.
Convert PNG to WebP for huge size savings - preserves transparency.
Convert Markdown to HTML and back, with full GFM support.
We design and ship internal tooling, dashboards, and customer-facing utilities. Tell us what you need and we'll scope it.