JSON filter nulls from array
ClientClean sparse lists after joins—pair with drop-nulls for deep object cleanup.
Learn more: filtering nulls
Root must be an array; only top-level null elements are removed.
Local processing
Parsing and output formatting run entirely in your browser—nothing is uploaded for this transform.
Input
?
Nearby workflows on Toolcore
- JSON drop nulls — Delete JSON null from objects and arrays recursively—local cleanup before export. once JSON text parses on this page.
- JSON filter array by type — Keep array elements matching one JSON type—string, number, boolean, object, array, or null. 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 cleaner — Remove null and optional empty values recursively—pretty-printed output; local only. once JSON text parses on this page.
Common use cases
- Clean sparse lists after joins—pair with drop-nulls for deep object cleanup.
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 drop nulls
ClientDelete JSON null from objects and arrays recursively—local cleanup before export.
JSON filter array by type
ClientKeep array elements matching one JSON type—string, number, boolean, object, array, or null.
JSON dedupe array
ClientRemove duplicate elements from a JSON array—first occurrence wins, order preserved.
JSON cleaner
ClientRemove null and optional empty values recursively—pretty-printed output; local only.