URL Encoder/Decoder

Encode and decode URLs safely. Convert special characters to URL-safe format and back.

Input

Result

Characters: 0 Lines: 0

How It Works

Enter URL or Text

Paste your URL or text containing special characters into the input field.

Choose Action

Click Encode to convert special characters to URL-safe percent-encoded format, or Decode to convert URL-encoded text back to original.

View Result

The encoded or decoded result appears instantly in the output field with character and line count statistics.

Copy or Download

Use the copy button to copy the result to clipboard, or download it as a text file with timestamp for your records.

Encode and decode URLs safely. Convert special characters to URL-safe format and back.

This URL Encoder/Decoder converts URLs and text to percent-encoded format and back. Encode URLs to make them safe for transmission in query strings and web addresses, or decode URL-encoded text back to readable format. Supports full URI encoding to preserve URL structure and scheme preservation for http:// and https://. All processing happens locally in your browser with proper UTF-8 support for international characters and emojis. Perfect for web developers, API integrations, SEO professionals, and anyone working with web addresses and query parameters.

This URL Encoder/Decoder converts special characters to URL-safe percent-encoded format and back. No signup required. Encode or decode URLs, query parameters, and any text containing special characters. Supports UTF-8 encoding for international characters and emojis. Copy result to clipboard or download as text file. Perfect for web developers, SEO professionals, and anyone working with URLs and query parameters.

All processing happens directly in your browser, ensuring your data remains private and secure. Our tool works on all devices - desktop, tablet, and mobile.

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Frequently Asked Questions

What is URL encoding and why is it needed?

URL encoding (percent encoding) converts unsafe characters into a format that can be safely transmitted over the internet. URLs can only contain ASCII characters, so any character outside this set (like spaces, symbols, or non-English characters) must be encoded. For example, a space becomes %20, and @ becomes %40. This ensures web servers and browsers correctly interpret your URLs.

What's the difference between encodeURI and encodeURIComponent?

encodeURI encodes a complete URL but leaves protocol (http://) and domain name untouched. encodeURIComponent encodes everything including protocol, domain, and query parameters, making it suitable for encoding individual URL components like query parameter values. Our tool uses encodeURIComponent for complete encoding.

How do I encode a URL with query parameters?

For URLs with query parameters, encode each parameter value separately using encodeURIComponent, then combine them. For example: https://example.com/search?q= plus encodeURIComponent("hello world"). This produces: https://example.com/search?q=hello%20world. Our tool encodes the entire input text.

Is my data safe when using this tool?

Yes, absolutely. All encoding and decoding happens in your browser using JavaScript. Your data is never sent to any server, making it safe to encode URLs containing sensitive information like API keys, session tokens, or personal data.

Why do I see %20 in URLs instead of spaces?

%20 is the URL-encoded form of a space character. URLs cannot contain actual spaces, so they must be encoded. While browsers display spaces and some servers accept + for spaces in query strings, %20 is the standard percent-encoding representation that works everywhere.

Can I encode emojis and special characters?

Yes, our tool supports full UTF-8 encoding. Emojis and international characters (like é, ñ, 你, مرحبا) are encoded using multi-byte UTF-8 sequences. For example, 😀 becomes %F0%9F%98%80. These can be safely decoded back to the original characters.

About URL Encoder/Decoder

URL Encoder/Decoder is an essential web development tool for converting between plain text and percent-encoded URL format. URL encoding (percent encoding) is required when including special characters in URLs, query parameters, or form data. Characters like spaces, quotes, accented letters, and emojis are converted to a % followed by two hexadecimal digits, making them safe for transmission through web browsers, servers, and APIs without breaking URL structure. Our encoder supports both simple encoding (for individual values) and full URI encoding (for complete URLs). Full URI mode preserves URL structure by not encoding reserved characters like slashes, colons, question marks, and hash symbols, while still encoding user-provided content. The scheme preservation option keeps http://, https://, and other protocols readable. Proper UTF-8 encoding ensures international characters and emojis are correctly converted to their percent-encoded representation. Whether you're a web developer building dynamic websites, a backend engineer working with APIs, an SEO specialist optimizing URLs, a security professional analyzing encoded URLs, or anyone needing to encode or decode web addresses, this tool provides instant conversion with detailed statistics showing original and result lengths. Perfect for encoding query parameters, decoding URL-encoded form data, analyzing encoded URLs in logs, preparing data for API requests, handling user input in web applications, or debugging URL-related issues. Understand percent encoding standards, compare simple vs. full URI encoding, and ensure proper character encoding for international content with this comprehensive URL tool.

URL Encoder/Decoder is a fundamental web development tool for converting between regular text and URL-safe encoded format. URLs have strict character limitations - they can only contain ASCII characters (a-z, A-Z, 0-9, and a few special symbols like hyphen and underscore). Any character outside this allowed set must be converted to percent-encoding format, which represents the character's byte value as a % followed by two hexadecimal digits. Our tool uses the standard encodeURIComponent and decodeURIComponent JavaScript functions, which properly handle all UTF-8 characters including international characters (é, ñ, 你, مرحبا), emojis (😀, ❤️), and other multi-byte sequences. Common encodings include spaces becoming %20, @ becoming %40, & becoming %26, and # becoming %23. Use the Encode function when building URLs dynamically, creating query parameters with user input, or ensuring special characters are properly escaped for HTTP transmission. Use the Decode function to read URL-encoded values from query strings, debug encoded data, or convert encoded text back to readable format. The tool displays real-time statistics including character count and line count for both input and output text. Copy the result to clipboard with one click, or download it as a .txt file with timestamp for version control. All processing happens entirely in your browser - your data never leaves your device, making it safe to encode URLs containing sensitive information. Perfect for web developers building dynamic websites, backend engineers handling URL parameters, SEO professionals optimizing URLs, API developers encoding request parameters, and anyone working with URLs and web addresses. Use this tool to quickly encode and decode URLs, ensuring your web applications handle special characters correctly and your data is properly formatted for internet transmission.

Unlike many online tools that require account creation or have hidden costs, URL Encoder/Decoder is completely free and requires no signup. Simply open the tool and start using it immediately. Your privacy is our priority - all processing happens locally in your browser, and your data is never stored on our servers.

Whether you're a professional, student, or casual user, URL Encoder/Decoder is designed to be intuitive and efficient. Our tool works seamlessly on desktop computers, tablets, and mobile devices, ensuring you can get your tasks done wherever you are.

URL Encoder/Decoder