Is Base64 encryption?

No. Base64 is not encryption; it is reversible encoding and provides no confidentiality.

Do you upload my data?

No. This tool runs client-side in your browser; your input is not sent to any server.

Base64 Encode / Decode

Q: What is Base64 encoding?

Base64 is a binary-to-text encoding used to safely transmit binary data as ASCII. Common in data URLs, emails, and tokens.

Works locally in your browser. Beware of binary → UTF‑8 pitfalls; use the Unicode mode below.

Encode Decode URL‑safe Unicode‑safe

What is Base64 encoding?

Base64 is a binary-to-text encoding scheme used to safely transmit data over channels that only support text. It is commonly used for encoding images, files, JSON objects, and authentication tokens into plain text.

How to use this Base64 tool

Encode: Paste text and click Encode to get Base64 output.
Decode: Insert Base64 data to get back the original text.
URL-safe: Use the variant with - and _ for URLs and filenames.
Unicode-safe: Correctly handles emojis and non-ASCII characters.

This Base64 encoder/decoder runs fully in your browser — no data is sent to any server. It is ideal for developers, testers, and anyone working with encoded text.