Frequently Asked Questions

What is Base64 encoding?
Base64 is a method for encoding binary data into ASCII text. It is commonly used for transmitting data over media that are designed to deal with textual data.

How do I use this Base64 tool?
Paste your text or Base64 string in the input box, then click Encode to convert to Base64 or Decode to convert Base64 back to text.

Is my data sent to any server?
No, all encoding and decoding is done locally in your browser. Your data is not sent to any server or stored.

Can I encode files with this tool?
This tool is designed for text. To encode files, convert them to text (such as using a hex editor or file reader) and paste the content here.

Why do I see an error when decoding?
Decoding errors usually occur if the input is not valid Base64. Make sure your input is a properly formatted Base64 string.

Is Base64 secure?
No, Base64 is not encryption. It is only encoding and can be easily reversed. Do not use Base64 for secure data transmission.

Can I use this tool on mobile devices?
Yes, this Base64 tool is fully responsive and works on all modern mobile browsers.