FastFreeEncode & DecodeOnly Parameters Mode
Online URL Encoder & Decoder
Encode special characters for safe web transmission — or decode URL-encoded strings back to readable text. Simple, accurate, and built for daily dev workflows.
• No sign-up• Works instantly• Great for query strings
Input URL
Auto encode
Only parameters
Result
Auto Encode
Type and encode in real time when you enable auto mode.
Only Parameters
Keep the base URL intact and encode just query params.
Copy & Reset
Copy results in one click and reset anytime.
Tip: Use “Only parameters” when your base URL is already valid and you only need to encode the query string.
How to Use
Quick steps to encode or decode URLs without mistakes.
Encoding a URL
- Enter the URL in the Input URL box (e.g., https://koaris.com/?title=hello&description=world)
- Click the "Encode" button
- The encoded URL will appear in the Result box.
- Click "Copy" to copy the result to your clipboard.
Decoding a URL
- Enter an encoded URL in the Input URL box.
- Click the "Decode" button.
- The decoded URL will appear in the Result box.
Additional Features
- Auto encode: Automatically encodes the URL as you type.
- Only parameters: Encodes only the query parameters, keeping the base URL unchanged.
- Reset: Clears all input and results.
Common use cases
UTM parameters, special characters in query strings, API requests, and preparing URLs for redirects.