How to use
01
Type or paste your text
Add the text you want to encode or the Base64 string you want to decode.
02
Choose direction
Click Encode or Decode.
03
Copy the result
Use the Copy button.
Why Base64 Encoder / Decoder
- Handles UTF-8 correctly, emoji, accented letters, non-Latin scripts.
- Runs in your browser. No data sent to a server.
- Two-way conversion in a single tool.
Common questions
Is Base64 Encoder / Decoder free to use?
Yes. Base64 Encoder / Decoder is completely free. There is no sign up, no trial, and no usage cap.
Do I need an account to use Base64 Encoder / Decoder?
No. You can start using Base64 Encoder / Decoder straight away. We do not ask for an email address or a login.
Is my data uploaded to a server when I use Base64 Encoder / Decoder?
No. Base64 Encoder / Decoder runs entirely inside your browser, so the code or data you enter never leaves your device and nothing is sent to us.
Do you store the code or data I use with Base64 Encoder / Decoder?
No. Because everything happens locally in your browser, there is nothing for us to store. Close the tab and it is gone.
Can I paste minified or messy code into Base64 Encoder / Decoder?
Yes. Base64 Encoder / Decoder handles compact, minified, or untidy input and processes it the same way.
Does Base64 Encoder / Decoder flag errors in my input?
Where it applies, Base64 Encoder / Decoder points out where something looks invalid so you can fix it quickly.
How do I use Base64 Encoder / Decoder?
Enter or paste your code or data and Base64 Encoder / Decoder updates the result as you go. When it looks right, copy or download it with one click.
Does Base64 Encoder / Decoder work on phones and tablets?
Yes. Base64 Encoder / Decoder is responsive and works in any modern browser on mobile, tablet, and desktop.
Which browsers does Base64 Encoder / Decoder support?
It works in current versions of Chrome, Firefox, Safari, and Edge. For the best experience, keep your browser up to date.
Is there a limit on how often I can use Base64 Encoder / Decoder?
No. You can use Base64 Encoder / Decoder as many times as you need, at no cost.
Can I use Base64 Encoder / Decoder for commercial or client work?
Yes. You are free to use the output in personal, educational, and commercial projects.
Why is Base64 Encoder / Decoder free?
The site is supported by advertising, which lets us keep every tool free and open to everyone.
What should I do if Base64 Encoder / Decoder gives an unexpected result?
First check that your code or data is formatted as expected. If something still looks wrong, use the feedback link on the page and we will take a look.