UUID Studio

UUID Studio

JSON to CSV

Flatten JSON arrays into comma-separated rows.

  • đź”’ No data stored or uploaded
  • ⚡ 100% client-side
  • 🆓 Free, no account
Click Convert when ready

Override only when Auto cannot parse your paste. Changing this loads a matching sample into Input — click Convert to run. Use Load sample to cycle every format example.

All conversions

Read-only representations of the same 16 bytes. Every textual form is listed here, not in “Prefer format”.

Paste two values: if both sides are valid JSON, a structural diff appears; otherwise UUID / bytes are compared when both decode to the same format.

A
B

Create or edit JSON here (syntax colors), then format, validate, or convert - same as MongoDB $binary UUID blobs on the Convert tab once detected.

New document

Hash, HMAC, AES-GCM/CBC + RSA-OAEP, codecs, JWT decoding, UUID v4, and secure random - all client-side. JWTs use Base64URL (three segments), not a single MIME Base64 block - use Decode JWT below, not raw Base64 decode.

Examples

  • Array of objects 
    [{"id":1,"name":"A"},{"id":2,"name":"B"}]

About JSON to CSV

A REST API happily returns arrays of objects; a spreadsheet only understands rows and columns. Getting from one to the other by hand means a lot of copy-pasting into the wrong cells.

Paste a JSON array of objects and get back comma-separated rows ready for Excel, Sheets, or a quick data review. It works best on uniform arrays - deeply nested objects get flattened, so simplify complex trees first if the output looks sparse.

FAQ

What about nested objects?
Deep nesting may produce wide or sparse columns; flatten complex trees in JSON first if needed.