Base64 Encode / Decode
How to Decode Base64
Base64 turns binary or text into a safe string of letters, numbers and a couple of symbols. Decoding turns it back. Paste your string into the tool below to decode or encode it.
Decode or encode Base64
Steps to decode Base64
- Paste your Base64 string into the tool above.
- Choose Decode to turn it back into readable text.
- Choose Encode to convert text into Base64.
What Base64 is for
Base64 is used to send data through channels that only handle text safely, such as embedding an image in HTML or CSS, or putting binary data in a JSON field or URL.
It isn't encryption — anyone can decode it — so never use it to protect secrets.
Frequently asked questions
How do I decode a Base64 string?
Paste it into the tool above and choose Decode. The original text appears instantly.
Is Base64 secure?
No. It's an encoding, not encryption — anyone can decode it. Don't use it to hide sensitive data.
What is Base64 used for?
Sending binary data safely as text — for example embedding images in HTML/CSS or putting data in JSON or URLs.