JSON to Query String

Convert JSON objects to URL query strings. Supports nested objects, arrays with multiple formats, and URL encoding.

Conversion Options

Array Format Examples

bracket

tags[]=a&tags[]=b

index

tags[0]=a&tags[1]=b

comma

tags=a,b

repeat

tags=a&tags=b

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Frequently asked questions

Paste your JSON object into the editor. Choose array format (bracket, index, comma, or repeat). Configure encoding and null/empty handling. The query string generates instantly.

No. All query string conversion happens 100% client-side in your browser. Your data never leaves your machine.

bracket: tags[]=a&tags[]=b | index: tags[0]=a&tags[1]=b | comma: tags=a,b | repeat: tags=a&tags=b. Choose based on your backend framework.

Nested objects are flattened using bracket notation (e.g., filters[status]=active). Arrays use the selected array format. All values are URL encoded by default.

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