How it works
Serialize an array of flat primitive-valued objects with the same keys as the first row. Prefix spreadsheet formula values with an apostrophe.
Input definitions
- JSON array of flat objects
- Plain text; maximum 200,000 characters.
A worked example
- JSON array of flat objects
- [{"name":"Alice","count":2}]
Assumptions & limits
Maximum 200,000 input characters; JSON/CSV values are text, never executed. CSV exports escape formula-leading characters, which may alter round-trip values.
Sources & review
Maintained by AnsRio. Methods and examples use automated checks; this does not imply independent professional certification.
Method updated 2026-10-17. Content checked against the stated method and examples. Our verification approach.
Common questions
Does this tool execute the code or data I paste?
Inputs are treated as data under the stated parser or transformation. Output is displayed as text. Parsing or formatting does not establish that the content is safe to execute elsewhere.
How does the JSON to CSV tool work?
Serialize an array of flat primitive-valued objects with the same keys as the first row. Prefix spreadsheet formula values with an apostrophe.
What are the assumptions and limits of JSON to CSV?
Maximum 200,000 input characters; JSON/CSV values are text, never executed. CSV exports escape formula-leading characters, which may alter round-trip values.