Base64 Encode / Decode
Convert text to and from Base64. Free, private and runs in your browser.
About Base64 Encode / Decode
Base64 Encode and Decode converts text to Base64 and back. Base64 is used to carry data in places that only allow plain text, such as some URLs, emails and configuration files.
How to use Base64 Encode / Decode
- Enter or paste your input into the tool.
- Choose the options you need.
- Use the button to get your result, then copy or save it.
When is Base64 Encode / Decode useful?
- Encode a text before adding it to a config file
- Decode a Base64 string you received
- Check what a Base64 value contains
Frequently asked questions
Is Base64 a form of encryption?
No. It is only an encoding, and anyone can decode it, so never use it to protect secrets.
Does it support non-English characters?
Yes. Text is handled as UTF-8, so accented letters and other scripts work.
What if the decode fails?
The input is probably not valid Base64. Check for missing characters or extra spaces.
Is Base64 Encode / Decode free to use?
Yes. Base64 Encode / Decode is free, with no sign-up and no usage limits.
Is my data sent anywhere?
No. The work is done in your browser on your own device, so nothing you use here is sent to our servers.
Privacy and safety
Base64 Encode / Decode runs entirely in your browser. What you enter never leave your device and nothing is kept after you close the page.