URL Encoder Decoder

Encode and decode URLs and query strings to ensure correct transmission. Free, secure, and works directly in your browser.

Encode or decode URLs and query strings to ensure they are transmitted correctly over the internet. URL encoding replaces unsafe ASCII characters with a "%" followed by two hexadecimal digits.

Percent Encoding Query String Handling Character Conversion

URL Encoder

URL Decoder

Common URL Encodings

Character Description Encoded Value
Space Space character %20 or +
! Exclamation mark %21
# Fragment identifier %23
$ Dollar sign %24
& Ampersand %26
+ Plus sign %2B
/ Forward slash %2F
? Question mark %3F
= Equals sign %3D
@ At symbol %40

History

No encoding/decoding history yet

Examples

Query Parameters

Original: https://example.com/search?q=hello world&category=test

Encoded: https://example.com/search?q=hello%20world&category=test

Special Characters

Original: Check if a > b and c < d

Encoded: Check%20if%20a%20%3E%20b%20and%20c%20%3C%20d

Unicode Characters

Original: Café Münster

Encoded: Caf%C3%A9%20M%C3%BCnster

How to use URL Encoder / Decoder

  1. Paste your URL or query string into the input field.
  2. Select either the 'Encode' or 'Decode' operation.
  3. Click the 'Process' button to transform your text.
  4. Copy the encoded or decoded result from the output field.

Features

  • Supports full URL encoding and decoding for all special characters.
  • Handles complex query strings with multiple parameters and values.
  • Processes instantly for real-time web development and troubleshooting.
  • Accessible from any device with a modern web browser.
  • Ensures data integrity and correct transmission across the web.

Who Is This Tool For?

Essential for web developers ensuring API calls are formatted correctly, digital marketers tracking campaign URLs, and anyone needing to safely pass data in a web address.

Why URL Encode and Decode?

URL encoding and decoding is a fundamental web standard that converts special characters into a percent-encoded format, ensuring URLs are universally safe to transmit and interpret by browsers and servers. This process is critical for maintaining data integrity in query strings, forming valid API requests, and enabling accurate analytics tracking.

Frequently Asked Questions

Is this URL encoder/decoder free?

Are my URLs or query strings sent to a server?

What can I encode or decode with this tool?

Does this tool handle special characters correctly?

Can I use this tool without installing anything?

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