Migrate JSON Data to a Spreadsheet
Move data out of a JSON export and into Excel for cleanup.
💡 Converts a JSON array of objects into a spreadsheet — the keys become columns. Nested objects are flattened to dotted column names (e.g. address.city). Everything runs in your browser; your data is never uploaded.
data migration tips
Export from one system as JSON, convert here, then clean and re-import via spreadsheet.
Flattening makes nested records editable as plain columns.
Use a spreadsheet's find/replace and formulas to tidy data the JSON made awkward.
Your data stays on your device throughout.
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