Base64 Encode

Free online Base64 encoder to convert plain text into Base64 strings in your browser.

  • Runs locally in your browser
  • No data uploaded
  • Instant processing
Waiting for input

How to Use Base64 Encode

  1. Enter plain text in the input area.
  2. The tool encodes your text to Base64 instantly.
  3. Copy the Base64 output for APIs, tokens, or data transfer.

Example Usage

Input

Hello world

Output

SGVsbG8gd29ybGQ=

Frequently Asked Questions

Does this Base64 encoder support UTF-8 text?
Yes. It encodes UTF-8 text, including non-ASCII characters.
Is Base64 encryption?
No. Base64 is encoding, not encryption. It is reversible and not secure for secrets.
Do you store my input data?
No. Encoding happens client-side and your input is not sent to a backend.