JSON flatten to dot keys

Client

Prepare env-style or columnar exports from nested API JSON.

Learn more: dot flattening

Arrays use numeric segments; scalars become leaf values under dotted keys.

Local processing

Parsing and output formatting run entirely in your browser—nothing is uploaded for this transform.

Input

?
Paste JSON, then read transformed output below.

Nearby workflows on Toolcore

  • JSON flatten / unflattenNested JSON ↔ dot paths for configs and i18n—round-trip in the browser. once JSON text parses on this page.
  • JSON path listEnumerate leaf paths ($ / dot / brackets); optional RFC 6901 pointers, filter, and stats—local only. once JSON text parses on this page.
  • JSON → .env linesFlatten nested JSON to KEY=value dot keys—strings quoted when needed, local only. once JSON text parses on this page.
  • JSON formatterJSON format online: pretty-print, minify, validate, escape, download . once JSON text parses on this page.

Common use cases

  • Prepare env-style or columnar exports from nested API JSON.

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.

Related utilities you can open in another tab—mostly client-side.