Query String To JSON Converter

Convert URL query parameters into a JSON object of string arrays. Up to 100,000 characters.

Free to useNo sign-upRuns in your browser

Enter your details

Enter the inputs, then select Convert.

Your result

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Result will appear here

How Query String To JSON Converter works

Convert URL query parameters into a JSON object of string arrays.

Up to 100,000 characters. Optional leading ?. Preserves repeated values; plus decodes as space. Uses URLSearchParams, with replacement for invalid UTF-8.

Concept diagram for Query String To JSON Converter, showing url query string input and the supported output. — Concept diagram; the three operation images are actual browser captures.

How to use Query String To JSON Converter

Follow the labelled inputs.

Enter url query string

Replace the example with url query string. The field labels specify the expected format and units.

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Check the remaining inputs

This tool uses one input. Check the supported range before running it. Up to 100,000 characters.

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Run, review and save

Select Convert. Review the displayed text, then copy it or download the result text.

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Examples and uses for Query String To JSON Converter

Check the supplied example

The starting example produces {; "a": [; "1",; "2"; ],; "name": [; "Ada Lovelace"; ]; }. Convert URL query parameters into a JSON object of string arrays.

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Tabular source records represented by a spreadsheet grid. — Prepare tabular records. Concept illustration.

Use your own inputs

Read the labels for url query string. Up to 100,000 characters.

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Table columns and cell arrangements shown for review. — Inspect the columns. Concept illustration.

Record a reviewed result

Copy the displayed text into your notes. Keep the formula and assumptions with it if someone else needs to reproduce the calculation.

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A table prepared for another data workflow. — Continue with the table output. Concept illustration.

How to read the result

Read the units and assumptions with the output.

Convert URL query parameters into a JSON object of string arrays.

Up to 100,000 characters. Optional leading ?. Preserves repeated values; plus decodes as space. Uses URLSearchParams, with replacement for invalid UTF-8.

Convert Convert

Table cells and source records represented for interpretation. — Understand rows and cells. Concept illustration.

Supported input and limits

Check the stated scope before you run it.

Up to 100,000 characters. Optional leading ?. Preserves repeated values; plus decodes as space. Uses URLSearchParams, with replacement for invalid UTF-8.

The input stays in this browser. Copy result and Download save the same displayed text.

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Tabular structure reviewed before using the output. — Check structure and interpretation. Concept illustration.

JSON To Query String Converter

Convert a JSON object of strings or string arrays into a URL query string.

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JSON String Escape Converter

Quote raw text as a JSON string or decode one JSON string literal.

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JSON Path Extractor

Extract one JSON value using a simple dot-separated object or array path.

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Query String To JSON Converter: common questions

Answers about using Query String To JSON Converter and understanding its results.

What inputs and assumptions apply?

Up to 100,000 characters. Optional leading ?. Preserves repeated values; plus decodes as space. Uses URLSearchParams, with replacement for invalid UTF-8.

How can I save the result?

Copy result copies the displayed text. Download saves the same text as a TXT file. Processing runs in this browser without an account.

Convert with your input

Check the displayed text, then copy or download it.

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