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Input
Text
URL limit
8 KiB
Runtime
Browser

Build a query string from ordered name-value tuples

Create query text from editable rows rather than a duplicate-destroying object map.

Local processingNo sign-upNo fetch or upload

Build query string

URL text stays in this tab. Nothing is opened or checked online.

Tool Swim does not upload, fetch, save, log, or create presets from these values.

Built query string proof

Results are inert text or JSON with the applied interpretation visible.

What this tool proves

Explicit URL interpretation

Each JSON item has a string name and value. Add, remove, or reorder items directly; repeated names remain separate values.

Tuple order and duplicate names remain visible

Each JSON item has a string name and value. Add, remove, or reorder items directly; repeated names remain separate values.

The report returns bare and question-mark-prefixed text, the final ordered tuples, their count, and whether stable name sorting was requested.

Private, bounded URL processing

The operation runs only after you choose it. Input stays in the current browser tab: Tool Swim does not fetch a destination, resolve DNS, test reachability, upload content, save an account preset, or invoke the developer API.

URLs are capped at 8 KiB, query text at 256 KiB, component text at 64 KiB, query lists at 2,000 pairs, each query name or value at 8 KiB, and serialized output at 1 MiB.

Primary references

Questions and answers

Related URL tools

Query String ParserInspect duplicate-preserving application/x-www-form-urlencoded query data without flattening it into an object.URL BuilderAssemble a credential-free HTTP or HTTPS URL from reviewed JSON fields and ordered query tuples.URL Component EncoderEncode component text once without treating it as a full URL, query string, or Base-N payload.