What is this calculator?
Encode or decode text using a standard reversible encoding.
What can you use it for?
Use it for practical planning, conversions, measurement or checking the result described here. Encode or decode text using a standard reversible encoding.
How to use it
- Enter text.
- Enter action.
- Select Calculate (or Generate for random tools).
- Read the answer and any additional results below the form. Check the units and the limits of the method.
Formula and method
Characters outside the unreserved set are percent encoded. A plus sign is treated literally rather than as a space.
Worked example
Text: Hello world, Action: Encode. The result is Hello%20world (converted text).
Assumptions and limits
Encoding is not encryption. Do not enter sensitive secrets.
Frequently asked questions
What inputs does the URL Encode / Decode need?
Use text, action. Read the answer and any additional results below the form. Check the units and the limits of the method.
What assumptions apply to the URL Encode / Decode?
Encoding is not encryption. Do not enter sensitive secrets.