Base64 Encoder

Encode text or binary data to Base64 online. Free, private, and 100% client-side.

Character set

Input

Output

Local only

Recent history

No history yet

How to use

Type or paste text into the input box.
Select the desired character set.
Copy or download the encoded result.

Frequently asked questions

What is Base64 encoding?: Base64 encodes binary data as a set of 64 printable ASCII characters, making it safe to store or transmit over text-only channels.
Is my data uploaded anywhere?: No. All encoding happens locally in your browser with no server round-trip.