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Skip to contentConvert URL query strings to JSON and back. Tentaco Query String ↔ JSON: review input and get an instant result — free, no sign-up.
Full tool — runs in your browser. No sign-up required.
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Paste a query string (with or without the leading ?) to get structured JSON of its parameters, or turn a JSON object into a query string. Handles repeated keys and encoding.
Paste or enter your input into Tentaco Query String ↔ JSON. Standard processing runs locally in your browser — contents are not sent to Tentaco servers for that path.
The primary button opens the matching studio mode so you can start without an account. People often search for: query string to json, parse query string, url params.
Open Query String ↔ JSON via the studio button (direct mode).
Paste or type your input.
Adjust options and review the preview or output.
Copy or save the result and re-run if needed.
Transfer to Tentaco: No for the standard mode. Processing: local in the browser. Permanent storage: only if you copy or save the result yourself.
LocalThis tool processes data locally in your browser. Tentaco does not receive your file contents for this mode.
No. Query String ↔ JSON processes the standard mode locally in your browser; Tentaco does not receive your input for that path.
Yes. Copy the output from Query String ↔ JSON or download it when the tool offers a file.
Query String ↔ JSON follows the formats named in the UI and description. Unlisted variants are not guaranteed.
After the first load, Query String ↔ JSON often keeps working offline. Online dependencies are labeled.
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