JSONPath Tester
Test JSONPath queries interactively against any JSON document. Supports $ root, .property, ['name'], [index], [-1] from-end, [start:end] slice, [*] wildcard, .. recursive descent.
[ "Atomic Habits", "Deep Work", "Sapiens" ]
$ root, .name property, ['name'] bracket, [0] index, [-1] from-end, [start:end] slice, [*] or .* wildcard, .. recursive descent. Not yet supported: filters (?(@.price > 10)) and functions.What powers the JSONPath Tester
Live query evaluation as you type
Supports: $, .name, ["name"], [n], [-n], [start:end], [*], ..
Quick examples loaded with sample JSON
Match count + JSON output
Instant
Why the JSONPath Tester is different
Browser-native
The JSONPath Tester runs entirely in your browser. Input is processed locally — never uploaded, never logged, never cached anywhere outside your device.
No artificial limits
No daily quotas, no character ceilings, no "upgrade for more" walls. Every feature is the complete feature — the same on the first use as the thousandth.
Production-grade quality
Built to the same engineering bar as paid SaaS tools — accurate algorithms, audited logic, responsive design and accessibility-tested interactions.
Common use contexts
- Building / debugging JSONPath queries for Postman, Insomnia, jq
- Extracting subsets from API responses
- Learning JSONPath syntax interactively
Private and secure
Zero upload
All processing happens in your browser. Input is never transmitted, logged or cached.
Works offline
Once the page loads, the tool runs without an internet connection. No network calls happen during use.
No tracking
No accounts, no cookies for tool state. Only aggregate analytics count visits at the page level.