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URL Encoder, Decoder & Parser

A powerful and free online tool to handle URL Encoder, Decoder & Parser operations instantly in your browser. Fast, secure, and fully local by OrbitInfra.

Plain Text URL Input
Percent-Encoded Output

📜 Recent URL History

No recent URLs saved yet. Encode or decode any URL above to save your history locally.

Understanding URL Percent-Encoding and Parameter Safety

Uniform Resource Identifiers (URIs) are restricted to a defined subset of ASCII characters. When URLs contain reserved characters (like `?`, `&`, `=`, `#`) or non-ASCII characters (like accented letters or emojis), they must be percent-encoded.

Our URL Encoder translates characters into the standard `%XX` hexadecimal format specified by RFC 3986, ensuring your query strings and API parameters transmit without corruption.

How to Use

  1. Paste your raw URL or parameter text into the input field.
  2. Choose between `encodeURIComponent` (for query parameters) or `encodeURI` (for complete URLs).
  3. The percent-encoded output appears instantly in real time.
  4. Copy the encoded string with a single click.

Key Features & Capabilities

  • Supports standard RFC 3986 percent encoding for query strings and full URLs.
  • Accurately encodes multi-byte UTF-8 international characters and emojis.
  • One-click toggle between component encoding and full URL encoding.
  • 100% private in-browser processing.

Common Developer Workflows

  • Encoding OAuth redirect URIs and callback URLs.
  • Passing complex search queries or JSON strings as URL parameters.
  • Constructing deep links for mobile apps and email newsletters.
  • Debugging web server 400 Bad Request errors caused by illegal URL characters.

Frequently Asked Questions

What is the difference between `encodeURI` and `encodeURIComponent`?

`encodeURI` preserves protocol characters like `https://` and `/` so the full URL remains valid. `encodeURIComponent` encodes everything including `/`, `?`, and `&`, which is necessary when passing one URL as a query parameter inside another.

How are spaces encoded in URLs?

Standard percent-encoding represents a space as `%20`. In application/x-www-form-urlencoded query strings, spaces can also be represented as `+`.

Are UTF-8 characters supported?

Yes. Multi-byte UTF-8 characters are encoded into multiple `%XX` pairs representing each byte.