Base64 URL Encode
Encode to URL-safe Base64 without padding.
How to use Base64 URL Encode
Base64 URL Encode — Encode text to URL-safe Base64 without = padding. Free to use in D2i DevTools — no account required.
Steps
- Fill in Input. This field is required.
- Click Run and copy the result under the form.
Frequently asked questions
What is Base64 URL Encode used for?
Use it for JWT segments, filenames, and query values where + / and = would need extra escaping.
How do I use the free online Base64 URL Encode tool?
Fill in Input. This field is required. Click Run and copy the result under the form.
What can I paste or upload into Base64 URL Encode?
Paste the raw text. The tool encodes the UTF-8 bytes; it does not wrap the result in a URL.
What output does Base64 URL Encode give me?
Base64url text using - and _ and no padding. hello becomes aGVsbG8. Bytes that would be +/ in standard Base64 become -_.
Is Base64 URL Encode free, and is my input private?
Yes — Your input is processed in memory for this request only. It is not saved to disk or the database, and it is cleared after the tool finishes.
Can I put this straight into a query string?
The alphabet is URL-safe, so it does not need encoding again for + or /. Still encode the whole query if you add other characters such as & or =.
Inputs are processed in memory only and are not saved to disk or the database. Data exists only for the duration of your request.