URL Decoder Online - Free URL Decoding Tool
Free online URL decoder tool to decode percent-encoded URLs and strings. Convert URL encoded characters like %20 (space), %2F (slash), %3D (equals) back to their original readable format. Perfect for developers, SEO specialists, and anyone working with web URLs.
🔗 Enter URL Encoded String
📊 Decoding Results
🔤 Common URL Encodings
%20→ Space%2F→ Forward slash (/)%3F→ Question mark (?)%3D→ Equals sign (=)%26→ Ampersand (&)%25→ Percent sign (%)%2B→ Plus sign (+)%3A→ Colon (:)
🌍 Special Character Encodings
%C3%A9→ é (e with acute)%C3%BC→ ü (u with diaeresis)%C3%B1→ ñ (n with tilde)%E2%82%AC→ € (Euro sign)%C2%A9→ © (Copyright)%C2%AE→ ® (Registered)
⚙️ Decoding Options
- Component: Decode everything except :, /, ?, #, @
- Full URL: Decode entire URL including special chars
- Double: Decode twice for nested encoding
- Unicode: Handle UTF-8 encoded characters
100% Secure
All processing happens locally in your browser. Your URLs and data never leave your computer.
Instant Results
Decode URLs instantly with optimized algorithms. No delays, no waiting for server responses.
Bidirectional
Not just decode! Also encode text to URL format. Perfect for testing and development.
Smart Analysis
Get detailed analysis of encoded URLs including parameter extraction and validation.
Why Use Our URL Decoder?
Developer Friendly
Essential tool for web developers working with API calls, URL parameters, and encoded data transmission.
SEO Optimization
Decode encoded URLs to understand search engine indexing and improve URL structure for better SEO.
Data Analysis
Extract and analyze URL parameters from web analytics, tracking codes, and marketing campaigns.
Security Testing
Decode encoded payloads for security analysis, penetration testing, and vulnerability assessment.
Common Use Cases
- Web Developers: Decode API responses and URL parameters
- SEO Specialists: Analyze encoded URLs for search optimization
- Data Analysts: Extract parameters from tracking URLs
- Security Analysts: Decode encoded payloads for inspection
- QA Testers: Test URL encoding/decoding in applications
- Digital Marketers: Analyze campaign tracking URLs
- System Administrators: Decode encoded logs and reports
- Students: Learn about URL encoding standards
❓ Frequently Asked Questions
What is URL encoding?
URL encoding (percent-encoding) converts special characters to a % followed by two hexadecimal digits, making URLs safe for transmission.
When should I use URL decoding?
Use URL decoding when you receive encoded URLs from APIs, web forms, or need to analyze encoded parameters in web analytics.
What's the difference between decodeURI and decodeURIComponent?
decodeURIComponent decodes all encoded characters, while decodeURI preserves reserved characters like :, /, ?, and #.
Can I decode double-encoded URLs?
Yes! Our tool supports double decoding for URLs that have been encoded multiple times.
✅ Browser Compatibility
Works on all modern browsers and devices. No installation or plugins required.