# Querystring Convert

Build-time release reference. Runtime readiness, deployment, payment settlement and external indexing are not evaluated here. Prices are proposed; this file cannot authorize execution or payment.

Use to encode query parameter pairs or decode application/x-www-form-urlencoded query strings while preserving duplicate keys and order.

Release: 0.29.0. Built: 2026-10-06T15:38:00Z.

## Choose for
- Convert ordered parameter pairs to/from form-urlencoded strings.

## Outside this profile
- Nested bracket object conventions or URL fetching.

Proposed nominal USD 0.003 per successful call; payer fees excluded. No verified runtime availability.

- [Exact release contract](/reference/services/querystring-convert.json)
- [Input schema](/reference/schemas/querystring-convert.input.json)
- [Output schema](/reference/schemas/querystring-convert.output.json)
- [Fixed example](/reference/examples/querystring-convert.json)
- [Complete HTML reference](/discover/tools/querystring-convert)