Which JSONPath dialect is this?
JFmt uses a practical subset aimed at everyday $.a.b[*].c queries, not every vendor extension.
jfmt.dev
JSONPath Tester
Write a JSONPath expression, run it against the left-hand JSON, and read matched values on the right. Handy for APIs, logs, and config digging.
JSON formatter
Input
Output · preview.json
{ }
Run a tool to see a polished result here
What you can query
Use paths like $.store.book[*].author to pull nested fields. Invalid JSON or a bad expression shows an error in the editor. Nothing is sent to a server.
Related tools
FAQ
Can I query arrays?
Yes. Use [*] or numeric indexes depending on what you need.
Does the document leave my browser?
No. The query runs locally.