JSON to CSV
Easily convert your JSON data into a clean, well‑formatted CSV file. Supports nested objects by either flattening key paths or stringifying them as compact JSON. No sign‑ups, no uploads—all processing stays local in your browser.
How to Use
- 1Provide input – either drop a .json file onto the upload area or paste your JSON array into the text editor.
- 2Configure options – choose the delimiter, decide how nested values should be handled, and toggle the header row.
- 3Convert & download – click the “Convert” button, review the preview, and hit “Download CSV” to save the file.
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Frequently Asked Questions
What if my JSON isn’t an array of objects?
The tool expects a top‑level JSON array where each element is an object. If the structure is different (e.g., a single object or a primitive), an error message will explain what was found.
How are nested objects handled?
You can switch between two modes: Stringify turns nested values into escaped JSON strings inside a single cell; Flatten expands nested keys using dot‑notation (e.g., address.city) and creates separate columns for each leaf field.
Can I change the field separator?
Yes, a dropdown lets you choose between comma (,), semicolon (;), or tab. The CSV escaping rules adjust automatically.