Object Array Mapper
Paste an object array, pick any array (including nested fields), chain filter/map/flatMap, and get the full transformed result
Input
Accepts JSON or JavaScript object/array literals (single quotes, trailing commas OK)
Select array to transform
Preview (selected arrays, sample)
Shows a sample of values at this path. Nested transforms still write back into the full document.
Pipeline for .root
Run applies every array’s pipeline from root → nested. If an outer step removes an inner field, that pipeline is skipped.
data
.
(
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map — transform each item · Write a JS function, e.g. item => item.name or (a, b) => a - b
Result (full document)
Even if you only map a nested field, the output is the entire document with that field updated.
