Create clean URL-safe Base64 strings designed for web URLs, HTTP header parameters, and REST API payloads without character clash issues.
Enter Plaintext or Payload
Type or paste your text into the input field.
Toggle URL-Safe Option
Select the URL-safe mode to replace reserved web characters.
Copy Encoded String
Grab the resulting clean string for your API query parameter.
Automatically swaps '+' with '-' and '/' with '_', while trimming trailing '=' padding characters to prevent percent-encoding collision in web URLs.
The decoding engine accepts standard Base64, URL-safe variants, and strings with data-URL prefixes seamlessly with full UTF-8 international character support.
Yes, the decoder automatically recognizes both standard and URL-safe Base64, as well as data URL prefixes.
Yes, characters are processed using UTF-8 byte arrays to preserve international strings without corruption.