What is URL encoding?
URL encoding is the process of converting characters into a format that can be transmitted over the internet. It replaces special characters with a '%' followed by two hexadecimal digits.
What is URL decoding?
URL decoding is the process of converting percent-encoded characters back to their original form so they are human-readable.
How do I encode a URL online?
To encode a URL online, paste your text into the input box on urlencodedecode.com, select your options, and click the Encode button or use live mode.
How do I decode a URL?
Paste the encoded URL into our tool and click Decode. It will convert percent-encoded characters back into readable format instantly.
What are percent-encoded characters in a URL?
Percent-encoded characters represent special or unsafe characters using a '%' followed by a hexadecimal code. For example, a space becomes %20.
When should I encode a URL?
You should encode a URL when it contains characters not allowed in URLs, such as spaces, quotes, or special symbols.
What characters need to be URL encoded?
Characters like spaces, ampersands (&), question marks (?), slashes (/), and quotes (") need to be encoded in a URL.
Is URL encoding the same as Base64 encoding?
No, URL encoding and Base64 encoding are different. URL encoding is used for safe transmission in URLs, while Base64 is used for binary-to-text encoding.
What is live mode in URL encoding?
Live mode allows you to see the URL-encoded output as you type, without clicking a button. It works in real-time for faster results.
Can I encode each line separately?
Yes, urlencodedecode.com supports encoding each line separately, which is useful when working with multi-line logs or data entries.
Why split encoded output into 78-character chunks?
Splitting output helps when transmitting data over email (MIME format) or when readability is important. It’s especially useful for long encoded strings.
What character sets are supported?
The tool supports UTF-8, ISO-8859-1, ASCII, and many other character sets to ensure compatibility with various systems and languages.
Is urlencodedecode.com free to use?
Yes, the tool is 100% free, with no registration or download required. All encoding and decoding is done in your browser for privacy and speed.
Is it safe to use an online URL encoder?
Yes, our tool runs completely in your browser. No data is sent to a server, ensuring your input remains private and secure.
Can I use this tool on mobile devices?
Yes, urlencodedecode.com is fully responsive and works on all modern smartphones, tablets, and desktops.
What does %20 mean in a URL?
%20 represents a space character in URL encoding. It is commonly used to separate words in a web address.
Why is my URL not working properly?
Your URL may contain unsafe characters that need to be encoded. Use our tool to encode special characters before using the URL.
Can I use this tool for API query strings?
Yes, you can use it to encode values used in API query strings, form parameters, or redirect URLs to ensure they are safely transmitted.
Does this tool support emojis and special symbols?
Yes, when using UTF-8, the tool can encode and decode emojis, accented letters, and special Unicode symbols.
Can I copy the encoded result easily?
Yes, just click the 'Copy to Clipboard' button under the result box to instantly copy your encoded or decoded output.
What is the purpose of URL encoding?
URL encoding ensures that URLs can be safely transmitted over the internet by converting special characters into a standard format.
How do I encode a URL with special characters online?
You can use our free online URL encoder at urlencodedecode.com to safely encode special characters like spaces, ampersands, or slashes in your URLs.
What tool can I use to decode a percent-encoded URL string?
Our URL decode tool lets you paste any percent-encoded string and instantly convert it back to readable text in your browser.
How to encode a long string of text for use in URLs?
Paste your text into the tool and enable options like line chunking or live mode to encode long text safely for URL use.
Is there a browser-based URL encoder that works offline?
Yes, our tool runs entirely in your browser and does not require internet access after loading. Your data never leaves your device.
What does %2F mean in a URL?
%2F is the percent-encoded form of the forward slash (/) character, used to avoid confusion with path separators.
How do I encode URL parameters with spaces?
Spaces in URLs should be encoded as %20 or plus (+). Our tool automatically handles this when you paste your text.
What is the difference between encodeURIComponent and encodeURI?
encodeURIComponent encodes every character that has special meaning in a URI, while encodeURI leaves path separators and colons untouched.
Can I use this URL encoding tool for REST API query strings?
Yes, it's ideal for encoding API parameters to ensure they're transmitted correctly in GET or POST requests.
How to encode a full URL including query string?
Paste the entire URL into the tool and it will safely encode all special characters, including query parameters.
Can I encode each line separately for batch processing?
Yes, our tool supports line-by-line URL encoding for handling large input data like logs or datasets.
What is live mode in the URL encoder?
Live mode instantly encodes text as you type or paste it, without needing to click a button. It supports only UTF-8 encoding.
Why split encoded output into 78-character lines?
This helps with compatibility in email or MIME formatting, making long encoded text more readable.
What are unsafe characters in a URL?
Unsafe characters include spaces, quotes, percent signs, and non-alphanumeric symbols which should be encoded for URL safety.
How do I decode a URL-encoded form submission?
Use the decoder to paste the URL-encoded string and view the original form data values.
How to encode emojis for use in URLs?
Paste emojis into our tool using UTF-8 encoding. They will be correctly percent-encoded for safe URL use.
Can I use this tool on a mobile browser?
Yes, urlencodedecode.com is mobile-optimized and works on all major browsers and devices.
Is URL encoding the same as HTML encoding?
No, URL encoding is for web addresses, while HTML encoding is used for rendering special characters in webpages.
Why does my URL break after adding special characters?
You likely forgot to encode those characters. Use the encoder to convert them into safe URL-compatible format.
How can I decode a string encoded multiple times?
Run the decode process multiple times until the string is readable. Our tool handles this step-by-step.
How to encode international characters in a URL?
Use UTF-8 encoding to convert accented letters and non-English characters into a percent-encoded format.
What is double encoding in URLs?
Double encoding means encoding an already encoded string, which can lead to incorrect or broken URLs.
How to prevent double encoding in URLs?
Ensure input is encoded only once and not re-processed. Use validation in your code or tool to check.
What encoding is best for multilingual URLs?
UTF-8 is the recommended encoding as it supports nearly all world languages and special characters.
What does %3D represent in a URL?
%3D is the encoded form of the equals sign (=), often used in query strings and form data.
How to encode JSON data for use in URLs?
Convert the JSON string to a text format, then encode it using our tool to make it safe for use in URLs or APIs.
Can I encode URLs in bulk?
Yes, paste multiple lines and enable 'encode each line separately' to process them in bulk.
Is it safe to use an online URL decoder?
Yes. Our tool runs entirely in your browser with no server interaction, so your data stays private.
How to handle special characters in redirect URLs?
Always encode special characters before inserting them into redirect or return URLs.
What does %26 mean in a URL?
%26 is the percent-encoded version of the ampersand (&), commonly found in query strings.
How to encode non-breaking space for a URL?
A non-breaking space (Unicode U+00A0) is encoded as %C2%A0 in UTF-8.
Can URL encoding be reversed?
Yes, URL encoding is fully reversible using our decoder or decodeURIComponent in JavaScript.
What does %0A represent in URL encoding?
%0A is the encoded form of a line feed (LF) character, representing a new line.
Why is my encoded URL still not working?
Check for double encoding, incorrect characters, or missing parts of the original URL.
Does this URL encoder work offline?
Yes. Once loaded, the encoder runs fully in your browser and does not require internet access.
Can I encode parameters for Google Analytics links?
Yes, you can safely encode UTM parameters or other tracking data using our tool.
What is a URI and how is it different from a URL?
A URI is a broader term that includes URLs. URLs are specific types of URIs that identify resources on the web.
How to encode a query string with special characters?
Paste the query string into our tool. It will safely encode all unsafe characters automatically.
Can this tool handle file names in URLs?
Yes, our encoder is perfect for safely encoding file names to be used in web links.
What does %40 mean in a URL?
%40 represents the at symbol (@), commonly used in email addresses or authentication URLs.
Do I need to encode forward slashes in URLs?
Generally no, unless they are part of data or parameters rather than path separators.
How do I encode a link for use in an HTML form?
Paste the link into the encoder and use the result as the form action or field value safely.
What does decodeURIComponent do in JavaScript?
It decodes a component of a URI, reversing the result of encodeURIComponent.
Can I encode SQL queries in a URL?
Yes, but be cautious with sensitive data. Always encode them properly to avoid syntax errors or injection risks.
How do I URL-encode form data in JavaScript?
Use encodeURIComponent for each form field value before appending it to a query string.
What’s the best way to debug encoded URLs?
Use our decode tool to see the raw values, especially for deeply encoded or redirected URLs.
Is there a character limit for URL encoding?
While the URL standard doesn't define a limit, browsers typically support URLs up to 2000–8000 characters. Use chunking if needed.
Can I encode Unicode text with this tool?
Yes, Unicode characters are supported through UTF-8 encoding by default.