Code Utilities Runs locally ⌘↵ to run

Query String ↔ JSON

Convert URL query strings to JSON objects and back. Parse, inspect, and rebuild URL parameters easily.

Last updated May 16, 2026

Related tools

URL Encode / Decode — Encode or decode URLs and query strings. Handles special characters, Unicode, and percent-encoding.
JSON to TOML Converter — Convert JSON objects to TOML configuration format instantly. Supports nested objects, arrays, strings, numbers, booleans, and ISO dates.
CSV to JSON Converter — Convert CSV text to a JSON array instantly. Choose headers, delimiter, and auto-parse numbers and booleans.
Reverse String — Reverse text, words, or lines instantly. Flip your text backwards with one click.