API Toolkit

JSONPath Playground

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Query JSON with JSONPath and JMESPath-style paths side by side. - runs entirely in your browser. Free, fast and private.

How it works

Four simple steps

1

Paste JSON document

Drop API responses or config files into the editor.

2

Enter a path query

Try JSONPath ($.a.b) or JMESPath-style (a.b[*]) expressions.

3

Compare engines

Review both result panels to see how each path dialect resolves.

4

Copy matched values

Export the selected nodes for scripts, tests, or docs.

JSONPath Playground

About JSONPath Playground

JSONPath Playground is a free api toolkit utility on OneDevToolkit. Query JSON with JSONPath and JMESPath-style paths side by side. It runs in your browser for this session - use the workspace on this page to try it.

Need a related step? Open the API Toolkit hub at /api-tools/ or the <a href="/blog/">blog</a> for longer workflows.

Features

Lightning fast

Processes data instantly with no server round-trips.

100% private

Your data never leaves your browser. Nothing is uploaded.

No installation

Works in any modern browser. Nothing to download or install.

Free forever

No limits, no sign-up, no credit card required.

Cross-platform

Works on desktop, tablet and mobile devices.

Dark & light mode

Beautiful in both themes. Your preference is saved.

Keyboard shortcut

Ctrl Enter - Run tool

Use cases

For developers

Use JSONPath Playground to format, validate, or transform data while debugging or reviewing a PR.

For local workflows

Keep payloads on your device - no upload farm between you and the result.

With Recipes

Chain related code tools in Recipe Studio when you need multi-step transforms.

Instructions

How to use this tool

FAQ

Frequently asked questions

See all FAQs

Answers for this tool. For site-wide help, open the FAQ hub.

JSONPath Playground Query JSON with JSONPath and JMESPath-style paths side by side. It runs entirely in your browser with instant feedback.

No server upload is required for formatting/validation. Clearing the page removes the text from memory.

Validators report problems; formatters beautify valid structure. Severely broken input may need manual fixes first.

Formatters and converters aim to preserve meaning. Always review diffs for mission-critical code before committing.

Paste smaller chunks if the tab slows down. Minifiers and deep validators scale with input size on the CPU you have.

Many tools support Ctrl/⌘+Enter to run and standard copy shortcuts. Check the tool toolbar for Sample / Clear / Download.

When options exist (spaces vs tabs, indent width), set them before copying output into your repo to match project style.

After the page loads, formatting continues offline. CDN libraries need an initial network load.

Bookmark JSONPath Playground, copy output into editors, or chain steps with Recipes.

View more FAQs

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