When should I URL encode text?
Encode values before putting them inside query strings or URL path segments.
Encode tool
URL Encode / Decode
Encode text for URLs or decode percent-encoded query strings.
Common use cases
- Encode values for URLs and HTML.
- Decode copied tokens and payload snippets.
- Inspect data without switching tools.
Example input
https://aijsonformat.com/tools/json-formatter/?q=hello worldRelated tools
Base64 Encode / Decode
Encode text to Base64 or decode Base64 back to Unicode text.
EncodeFreeURL Parser
Parse a URL into protocol, host, path, query parameters, hash and origin.
EncodeFreeQuery String to JSON
Convert URL query strings into JSON objects for debugging links and tracking parameters.
EncodeFreeHTML Entity Encode / Decode
Encode HTML entities or decode escaped HTML text back to readable characters.
EncodeFreeJWT Decoder
Decode JWT header and payload without sending tokens to a server.
EncodeFreeAI JSON Repair
Fix broken JSON from ChatGPT, APIs, logs and config files with local repair and optional AI fallback.
JSONFreeFAQ
Does this encode a full URL?
It encodes the complete input. For full URLs, usually encode only the parameter value.
Is decoding safe?
Decoding only transforms percent escapes into readable characters.