Encode parameters in a query string
If you need to pass text with spaces or special characters in a URL, use Encode to generate a valid string for query parameters.
Free • No signup • Fast
URL Encoder / Decoder Online
Local operation in your browser. No data is sent to external servers.
Related tools
- Base64 Encoder/Decoder Encode payloads, tokens or strings used in APIs.
- JSON Formatter and Validator Read and validate JSON payloads and URL parameters.
- JWT Decoder and Inspector Inspect tokens embedded in URLs, OAuth callbacks or redirect flows.
How it works
Encode and decode URLs directly in your browser. Useful for query strings, API parameters, redirects and OAuth callbacks without sending data to external servers.
Practical examples
Handle OAuth redirects and callbacks
When working with OAuth login or redirect URLs, encode or decode parameters to verify they are correct.
Debug URLs from APIs
If you receive a URL-encoded string from an API, use Decode to quickly inspect its content.
FAQ
Is data sent to a server?
No. Encoding and decoding happen locally in your browser.
When should I encode a URL?
When you need to include text, spaces, symbols or URLs inside query strings, redirects, callbacks or API parameters.
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