Web / Developer

Base64 Encoder/Decoder

Convert text to Base64 locally in the browser or decode Base64 back to readable text. The tool is useful for data URIs, API tests, simple encoding and technical examples.

Mode Output format MIME type for data URI

Use URL-safe Base64 (+ → -, / → _) Remove padding characters = for URL-safe Base64 Wrap encoded output every 76 characters Remove whitespace from decode input before decoding

Text or Base64

What is Base64 useful for?

Data URIs

Small text data can be generated as a data: URI for direct use in examples or tests.

API tests

Base64 is commonly used in technical interfaces, test data and simple transport formats.

Not encryption

Base64 is only encoding. The content is not protected and can always be decoded again.