JSON kebab-case keys
ClientUseful for config files, HTML data attributes, or APIs that prefer hyphenated key names.
Learn more: kebab-case keys
Renames object keys to kebab-case recursively—values and non-object nodes are copied as-is.
Local processing
Parsing and output formatting run entirely in your browser—nothing is uploaded for this transform.
Input
?
Nearby workflows on Toolcore
- JSON snake_case keys — Convert object keys to snake_case at every level—local JSON key normalization. once JSON text parses on this page.
- JSON camelCase keys — Convert every object key to camelCase recursively—in your browser, no upload. once JSON text parses on this page.
- JSON rename keys — Map old property names to new—deep rename at every object level; local only. 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
- Useful for config files, HTML data attributes, or APIs that prefer hyphenated key names.
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 snake_case keys
ClientConvert object keys to snake_case at every level—local JSON key normalization.
JSON camelCase keys
ClientConvert every object key to camelCase recursively—in your browser, no upload.
JSON rename keys
ClientMap old property names to new—deep rename at every object level; local only.
JSON formatter
ClientJSON format online: pretty-print, minify, validate, escape, download .json.