JSON intersect arrays
ClientSet intersection on primitive or object arrays.
Learn more: intersection
Order follows the left array; duplicates in output follow left multiplicity.
Local processing
Parsing and output formatting run entirely in your browser—nothing is uploaded for this transform.
Input
?
Nearby workflows on Toolcore
- JSON merge arrays unique — Merge left and right arrays with unique values—{left, right} input, local. once JSON text parses on this page.
- JSON diff arrays — Items in left not present in right array—{left, right} input, local. once JSON text parses on this page.
- JSON dedupe array — Remove duplicate elements from a JSON array—first occurrence wins, order preserved. once JSON text parses on this page.
- JSON formatter — JSON format online: pretty-print, minify, validate, escape, download . once JSON text parses on this page.
Common use cases
- Set intersection on primitive or object arrays.
Common mistakes to avoid
Invalid JSON
Fix parse errors before expecting output.
FAQ
Is data uploaded?
No—all parsing and transforms run locally.
How is this different from jq?
This page focuses on one deterministic task without a filter language.
More tools
Related utilities you can open in another tab—mostly client-side.
JSON merge arrays unique
ClientMerge left and right arrays with unique values—{left, right} input, local.
JSON diff arrays
ClientItems in left not present in right array—{left, right} input, local.
JSON dedupe array
ClientRemove duplicate elements from a JSON array—first occurrence wins, order preserved.
JSON formatter
ClientJSON format online: pretty-print, minify, validate, escape, download .json.