FreeDev Tools

URL Encoder / Decoder

Percent-encode and decode URLs with fast validation and safe clipboard copy.

Runs locally in your browser. Your input is not uploaded.

URL Encoder/Decoder safely encodes and decodes URLs using percent-encoding. This tool is essential when working with query parameters, form data, and special characters in URLs. Ensure your URLs are safe for transmission across all systems and protocols.

Frequently Asked Questions

What is URL encoding? +

URL encoding converts special characters into a format that can be safely transmitted. Spaces become %20, and other special characters are converted to percent-encoded sequences.

When should I encode URLs? +

Encode URLs when you have query parameters with spaces, special characters, or non-ASCII characters that need to be transmitted safely across the internet.

Is this tool secure? +

Yes, all encoding and decoding happens locally in your browser with no data sent to any server.

How to Use

  1. 1

    Paste your URL or text

    Enter the URL, query parameter, or any text containing special characters.

  2. 2

    Encode or Decode

    Click "Encode" to percent-encode special characters, or "Decode" to restore encoded characters to readable text.

  3. 3

    Use the result

    Copy the encoded or decoded output and use it in your API requests, form data, or browser address bar.

Frequently Asked Questions

URL encoding (percent-encoding) converts characters that are unsafe in URLs into a % followed by two hex digits. For example, a space becomes %20.