JSON invert object
ClientBuild reverse lookup maps from code→label tables when values are unique scalars.
Learn more: inverting objects
Flat objects only—nested values and duplicate inverted keys are rejected.
Local processing
Parsing and output formatting run entirely in your browser—nothing is uploaded for this transform.
Input
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Nearby workflows on Toolcore
- JSON object keys array — List object property names as a JSON string array—Object. once JSON text parses on this page.
- JSON object values array — Output Object. once JSON text parses on this page.
- JSON entries to object — Build an object from an array of [key, value] pairs—Object. 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
- Build reverse lookup maps from code→label tables when values are unique scalars.
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 object keys array
ClientList object property names as a JSON string array—Object.keys in the browser.
JSON object values array
ClientOutput Object.values order as a JSON array—root must be an object, local only.
JSON entries to object
ClientBuild an object from an array of [key, value] pairs—Object.fromEntries locally.
JSON formatter
ClientJSON format online: pretty-print, minify, validate, escape, download .json.