ParseWiz – Fix, preview, and convert JSON/CSV/Excel instantly

Summary: ParseWiz is a free online tool that converts JSON, CSV, and Excel files while allowing users to preview data and fix syntax errors inline. It supports complex nested JSON with options for split or flat exports and does not store uploaded files.

What it does

ParseWiz converts between JSON, CSV, and Excel formats, highlights syntax errors with line numbers for inline correction, and previews data in a table before download. It handles nested JSON by offering split linked tables or flat file exports.

Who it's for

It is designed for users needing to convert and analyze JSON API responses or other data files, especially when dealing with malformed or nested JSON.

Why it matters

It solves the issue of silent failures in converters by providing error locations and flexible export options, improving data conversion reliability and transparency.