Encoding, Hash & ID Tools

Base64 Decoder

Use Base64 Decoder free in your browser. No account required; your input is processed locally in your browser.

Runs locallyYour inputs stay in your browser.
Workspace
CONVERSION LOGIC

Decode Base64 into UTF-8 text

Base64 characters are converted back into bytes and decoded as UTF-8.

Base64UTF-8 textRuns locally
01Base64
02Decode bytes
03UTF-8 text

aGVsbG8= → hello

GOOD TO KNOW

Whitespace is ignored before decoding

The decoder removes whitespace from the Base64 input before converting it back to bytes.

PRIVATE BY DESIGN

Your content stays in the browser

Processing runs locally in the page without requiring the content to be sent to UtilityLake.

02

In short

What exactly does it do?

Base64 characters are converted back into bytes and decoded as UTF-8.

Example?

aGVsbG8= → hello