URL Encoder / Decoder

Encode or decode URLs and query strings, instantly in your browser.

Encoding Scope
Space Encoding Style
INPUT (ENCODE)
OUTPUT
Result will appear here.
9.774 viewsYour data is processed in your browser and never sent to a server.

Related tools

JSON Formatter
Validate, beautify and minify JSON online. Everything runs in your browser — free and private.
Base64 Converter
Encode or decode Base64 text instantly in your browser. Free and private.
Color Picker
Pick any color and instantly get its HEX, RGB and HSL codes for CSS and design tools. Free, private, runs in your browser.
JWT Decoder
Decode JSON Web Token (JWT) header and payload instantly in your browser. Free, private, no signature verification, nothing sent to a server.

Get to know this tool

URL Encode percent-encodes any text or URL using your browser's native encodeURIComponent and decodeURIComponent functions, sending nothing to any server.

What is URL Encoding (Percent-Encoding) and Decoding?

URL Encoding (also referred to as Percent-encoding) is a mechanism for encoding information in a Uniform Resource Identifier (URI) under specific circumstances. The internet protocol dictates that URLs can only contain a limited set of ASCII characters. Characters outside this safe set (such as spaces, brackets, non-English symbols, ampersands, or slashes) must be replaced with a percent sign (%) followed by a two-digit hexadecimal representation. URL Decoding is the reverse operation, converting percent-encoded strings back into their original, human-readable format.

Key Features

  • Bi-Directional Conversion: Seamlessly switch between URL Encoding (making strings URL-safe) and URL Decoding (extracting raw strings from query parameters).
  • Instant Processing: Watch your inputs transform dynamically as you type or paste them. No manual page loads or submission buttons are required.
  • Robust UTF-8 Conversion: Correctly handles foreign alphabets, special characters, math symbols, and emojis.
  • 100% Client-Side Privacy: The encoding uses native JavaScript commands (encodeURIComponent and decodeURIComponent) locally. Your links and payloads are not transmitted to any external server.
  • Convenient Copy Button: Copy the generated results to your clipboard with a single click.

How to Use the URL Encoder / Decoder?

To Encode a URL or Parameter:

  1. Ensure the Encode mode is selected.
  2. Paste or type the text you want to make URL-safe into the input box.
  3. Retrieve the percent-encoded string from the output area.

To Decode a URL or Parameter:

  1. Select the Decode mode.
  2. Paste the encoded string (containing characters like %20, %3F, etc.) into the input box.
  3. View and copy the decoded plain text output.

Frequently Asked Questions (FAQ)

Why do URLs require encoding?

Web servers and browsers use special characters like ?, &, and = to separate URL parameters and paths. If your parameters contain these characters naturally (e.g., in a search query or a user's name), they must be encoded so the server does not misinterpret them as URL syntax.

What does %20 represent?

In URL encoding, %20 represents a space character. In some context queries, it may also be represented as a plus sign (+).