How it works
Complete the job in three clear steps
- Add the requested input and assumptions.
- Review or adjust the available options.
- Check the generated result, then copy or download it when available.
Free private browser tool
JSONPath Tester
Run a safe no-eval JSONPath subset against sample JSON and show matching values and normalized paths.
Free to use Your working input and output stay in this browser unless the workspace clearly identifies an optional public-data lookup.
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Important
Check the result before relying on it
Scan-test generated codes before printing or distribution. A generated barcode does not register identifier ownership, and decoded external links should be checked before opening.
Practical details
What this Lucaden tool does
Run a safe no-eval JSONPath subset against sample JSON and show matching values and normalized paths.
The dedicated Lucaden route exposes its assumptions and keeps reusable browser processing separate from the page's search-focused guidance.
Included capabilities
- Dot and bracket properties
- Array indexes and slices
- Wildcards
- Recursive property descent
Useful for
- Explore an API response
- Extract nested fields
- Test a data mapping
- Learn JSONPath
Questions
About this tool
Are script filters supported?
No. Filter scripts and arbitrary expressions are deliberately rejected so pasted paths cannot execute JavaScript.
Which selectors work?
Root, dot/bracket properties, quoted keys, array indexes, unions, slices, wildcards, and recursive property descent are supported.
Open-source foundations
Built transparently
Lucaden documents its standards sources, architectural references, and permissive runtime dependencies while keeping this workspace consistent with the Lucaden interface.