Common JSON conversion mistakes (and how to avoid them)

Converting JSON online fails most often because the input is not valid JSON, or the shape does not match the target format. Fix these common mistakes before you convert.

Invalid JSON syntax

Trailing commas, single quotes, and unquoted keys break parsers. Use the JSON Fixer online or JSON formatter first.

Wrong shape for CSV/TSV

Spreadsheet converters expect an array of flat objects. A single nested object will not become useful rows until you reshape it.

Assuming perfect XML round-trips

Attributes, namespaces, and mixed content do not always map cleanly to JSON. Convert, then validate against your schema.

Uploading sensitive payloads

Prefer browser-local tools when converting JSON online. Jigglify converters never upload your data.

Fix invalid JSON online, then convert to YAML, CSV, TSV, XML, or HTML.
Open the free JSON Fixer tool →

Guides: Convert JSON online · JSON to YAML · JSON to CSV