JSON uppercase strings

Client

Normalize text fields for case-insensitive comparisons or display experiments—does not alter keys.

Learn more: uppercasing values

Walks the tree recursively—only JSON string primitives are transformed.

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 trim strings — Trim leading and trailing whitespace from every string value in JSON—local cleanup. once JSON text parses on this page.
  • JSON string & Unicode — Minify, escape quotes, Unicode escapes, CJK punctuation in values. 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

  • Normalize text fields for case-insensitive comparisons or display experiments—does not alter keys.

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.