JSON suffix strings
ClientAdd extensions or trailing markers to string fields.
Learn more: string suffixes
Applies to all string leaves at any depth.
Local processing
Parsing and output formatting run entirely in your browser—nothing is uploaded for this transform.
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Nearby workflows on Toolcore
- JSON prefix strings — Prepend the same text to every string leaf—recursive, local. once JSON text parses on this page.
- JSON suffix keys — Append a suffix to each object key throughout nested JSON—in the browser 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.
- JSON compare — Side-by-side diff paths; sample pre-filled. once JSON text parses on this page.
Common use cases
- Add extensions or trailing markers to string fields.
- Paste valid JSON, then read the transformed output below.
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 prefix strings
ClientPrepend the same text to every string leaf—recursive, local.
JSON suffix keys
ClientAppend a suffix to each object key throughout nested JSON—in the browser only.
JSON formatter
ClientJSON format online: pretty-print, minify, validate, escape, download .json.
JSON compare
ClientSide-by-side diff paths; sample pre-filled.