URL Encoder, Decoder & Parser
Percent-encode text, decode URI components, or break down URL parameters into structured key-value tables.
📜 Recent URL History
No recent URLs saved yet. Encode or decode any URL above to save your history locally.
How to Use URL Encoder & Decoder Online
Encode special characters in URLs to percent-encoded format and decode URL-encoded strings back to readable text. Parses query parameters into a structured table.
1. Input Data
Paste or upload your data into the tool. We support a variety of formats depending on the specific tool requirements.
2. Process
The tool will instantly process your data. All calculations and conversions are performed locally in your browser for maximum speed.
3. Get Results
Once the processing is complete, you can copy the results to your clipboard or download them as a file.
Frequently Asked Questions
What is URL encoding (percent encoding)?
URL encoding replaces unsafe ASCII characters with a % followed by two hexadecimal digits. For example, a space becomes %20 and & becomes %26.
When do I need to URL encode?
Any time you put special characters like spaces, ?, &, =, or # in a URL path or query string value, you must percent-encode them so the URL remains valid.
Frequently Asked Questions
Is this URL Encoder & Decoder Online tool free to use?
Yes, this tool is 100% free to use with no limits, no sign-up required, and no hidden fees.
Is my data secure?
Absolutely. We prioritize your privacy. All processing happens locally in your web browser (client-side). Your data is never uploaded to, stored on, or sent to any external server.
Does it work offline?
Yes, Base64Decoder.app is a Progressive Web App (PWA). Once the site is loaded, you can continue using this tool even without an internet connection.
