URL UTILITIES v7.0
Free URL Decoder/Encoder Tool
Convert any text or link to URL-safe format and back. Supports full Unicode, special characters, query strings, and Base64.
Standard Encoding
Component Mode
Base64 Support
100% Private
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Input Chars
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Output Chars
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Encoded Blocks
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Size Ratio
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Input
Result
Recent Conversions
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Common Special Characters
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What is URL Encoding?
URL encoding converts special characters into a format safe for internet transmission. It replaces disallowed characters with % followed by a two-digit hexadecimal code.
The HTTP protocol requires all characters in a URL to belong to the safe ASCII set — everything else must be encoded.
The HTTP protocol requires all characters in a URL to belong to the safe ASCII set — everything else must be encoded.
Encoding Modes
Standard — uses
Component — uses
Base64 — binary-safe encoding using A–Z, a–z, 0–9, +, /. Different purpose from URL encoding.
encodeURI() — preserves URL structure characters like / ? # &Component — uses
encodeURIComponent() — encodes everything, ideal for query values.Base64 — binary-safe encoding using A–Z, a–z, 0–9, +, /. Different purpose from URL encoding.
URL Encode vs Base64
Text
URL Encoded
Base64
Hello World
Hello%20World
SGVsbG8gV29ybGQ=
مرحباً
%D9%85%D8%B1%D8%AD%D8%A8%D8%A7%D9%8B
15mH15mG15nlinag
user@email.com
user%40email.com
dXNlckBlbWFpbC5jb20=
price=100&tax=5
price%3D100%26tax%3D5
cHJpY2U9MTAwJnRheD01
Standard Encoding
Utilizes native encodeURI() to safely encode text while preserving essential URL structure characters.
Component Mode
Uses encodeURIComponent() to encode everything, perfect for query parameter values.
Base64 Support
Your data never leaves your device. All encoding and decoding runs entirely client-side in your browser.
Quick Characters
Built for speed, our engine processes complex tasks in milliseconds to save you time.
Real-time Stats
Visualize conversion statistics, character counts, and size expansion in real-time.
100% Private
All conversions run locally in your browser. No data or sensitive keys are transmitted to any server.