JQ Playground

JQ Filter Online

BracketView runs a full jq engine in your browser via WebAssembly. Filter, transform, and extract JSON with jq expressions. Free online JQ playground — no install.

Try JQ playground

JQ is a lightweight, powerful command-line JSON processor used to filter, transform, and extract data from JSON documents. BracketView's JQ Filter Playground runs a full jq engine in your browser via WebAssembly — no terminal or installation required. Write expressions like .users[] | select(.active) | .name, see results instantly, and use the AI Query Assistant to generate filters from plain English. Ideal for API debugging, log analysis, and data exploration when JSONPath alone isn't enough.

Key features

  • Full jq engine via WebAssembly in the browser
  • Live filter results as you type
  • AI Query Assistant — plain English to jq
  • Dynamic quick-filter chips from your JSON structure
  • Pair with JSONPath for complete query coverage
  • No install or command line required
  • 100% client-side jq execution
How to

How to Run JQ Filters Online with BracketView

Filter and transform JSON with jq in three steps — no command line needed.

01

Open BracketView

Go to app.bracketview.in and paste your JSON.

02

Open the JQ panel

Switch to the JQ Filter Playground and enter a jq expression.

03

Run and refine your filter

See filtered output instantly. Use AI Query Assistant for complex expressions.

Frequently asked questions

What is jq?

jq is a command-line JSON processor for filtering and transforming JSON. BracketView runs jq in your browser via WebAssembly.

Can I use jq without installing it?

Yes. BracketView's JQ Filter Playground runs a full jq engine in the browser — no terminal required.

Can AI write jq queries for me?

Yes. BracketView's AI Query Assistant converts plain English descriptions into valid jq expressions.

Is the JQ playground free?

Yes. JQ filtering is included in the free workspace. AI-assisted query generation has monthly limits on free accounts.

JQ vs JSONPath — when to use each?

Use JSONPath for simple extraction. Use jq when you need filtering, transformations, or complex pipelines.