Base64 Encode / Decode
Encode text to Base64 or decode Base64 back to text locally in your browser. No upload.
Overview
Encode or decode Base64 locally, including UTF‑8 text. Base64 is commonly used to transport binary data (images, tokens, attachments) as text, but it’s often used incorrectly when non‑ASCII characters are involved.
Paste text to encode, or paste Base64 to decode, and the tool will produce the corresponding output. Everything runs locally.
How to use
- Read the notes above so you know what the tool will do.
- Enter your input and click the main action button.
- Copy or download the result when you’re done.
Privacy
This page is designed for fast, local processing in your browser. We don’t ask you to create an account, and we avoid uploading inputs to our server whenever possible.
1) Input
Paste text or Base64 and pick an action.
2) Output
Copy the result.
FAQ
Does this tool upload my data?
Most tools run locally in your browser. If a tool ever needs a network request (for example, to load a library), it will be mentioned on the page.
Why does the output look different from another site?
Different tools can use different defaults (timezones, whitespace rules, encoding behavior). Check the options and try a small sample first.