URL Encoder Decoder

Encode URLs and query strings or decode them back to readable text.

Encode and decode modes

Simple browser-side processing

Natural fit with other developer utilities

URL input

Useful for links, callbacks, and query parameters.

Output

Keep decoded values readable during debugging.

Common use cases

Preparing query parameters for campaign links
Decoding copied callback URLs during debugging
Checking escaped values before shipping integrations

FAQ

What does URL encoding change?

It converts reserved or special characters into a transport-safe format that browsers and servers can interpret consistently.

Is this useful for query parameters?

Yes. Query strings are one of the most common reasons people need a URL encoder or decoder.

How it works

A lightweight browser tool for developers and marketers who need clean query strings and readable encoded URLs. The result is produced immediately so you can review it before copying or using it elsewhere.

Privacy

The tool is designed to process ordinary input in your browser. Avoid pasting passwords, private keys, access tokens, personal records, or other sensitive production data into any online utility.

Limitations

This utility handles the focused workflow described on this page. Check the result before production use, especially when an input depends on a vendor-specific format, security rule, or external standard.

Learn the essentials

Understanding URL Encoder Decoder

URL encoding represents characters with percent-encoded byte sequences so they can travel safely inside parts of a URL. Encoding an entire URL and encoding one query parameter are not always the same operation.

Encode components separately

A query value, path segment, fragment, and complete URL have different reserved characters. Encode user-provided values before inserting them into a URL rather than repeatedly encoding the finished string.

Watch for double encoding

If a percent sign is encoded a second time, %20 becomes %2520. Double encoding commonly appears when several application layers each assume they own URL construction.

Decoding untrusted URLs

Decoded text can reveal control characters, redirect targets, or misleading Unicode. Inspect the destination and scheme before opening a URL supplied by an unknown source.