Base64 Encoder Decoder - Convert Base64 Online

Encode and decode Base64 online for free. Convert text and files to Base64 format and back instantly.

Input Text

What This Tool Does

1
Choose encode or decode
Select whether you want to encode to Base64 or decode from Base64
2
Input data
Enter text or upload a file to convert
3
Click Convert
The tool will encode or decode your data instantly
4
Copy or download
Copy the Base64 string or download the decoded file

1

Select whether you want to encode to Base64 or decode from Base64

2

Enter text or upload a file to convert

3

The tool will encode or decode your data instantly

4

Copy the Base64 string or download the decoded file

Base64 is a method to represent binary data using only ASCII text characters, making it safe for text-only transmission.

Yes, any file can be encoded to Base64, including images, documents, and executables.

It's used for embedding images in code, transmitting binary data through text protocols, or encoding data in APIs.

No, Base64 encoding actually increases file size by about 33%. It's for encoding, not compression.