How to Use This Converter
Use this URL converter to safely encode values in query strings and decode encoded URLs for debugging.
- 01
Choose encode or decode
Select mode based on your current text format.
- 02
Paste URL value
Paste full URL, path segment, or parameter value.
- 03
Check transformed output
Encoded or decoded value appears immediately.
- 04
Copy and use
Use output in browser links, API calls, or redirects.
Formula / Method
Encode mode applies encodeURIComponent. Decode mode applies decodeURIComponent and surfaces errors for malformed escape sequences.
Common URL Encodings
| Character | Encoded | Usage |
|---|---|---|
| Space | %20 | Query and path values |
| / | %2F | Path-safe value encoding |
| ? | %3F | Literal question mark |
| & | %26 | Avoid query splitting |
Frequently Asked Questions
Need JSON or Base64 Tools?
Use related converters for API payloads and data transport.