Image to Base64 Online Encoder Tool

What Does This Tool Do?

This image to Base64 converter allows you to select an image file from your computer. As soon as you select a file, it instantly converts the image into Base64 encoding.

What is Base64?

In simple terms, Base64 is an encryption scheme that can render text data unreadable. That's for the layman. Now to be precise, Base64 is a binary to text encoding scheme. It represents binary data as ASCII character string. Each Base64 digit represents 6 bits of data.

Let's understand Base64 with an example.

Let's consider the letter T. If we convert this letter in binary, we get eight bit representation as 01010100

If we encode these binary strings into Base64, we get:

010101 00

This is because Base64 uses 6 bits to represent each binary string. If we consult Base64 table given below:

010101 = V

In order to make the binary again eight bit, zero bit 0000 are added to the right:

010101 000000

010101 = V
000000 = A

In Base64 empty octets are padded with = mark. In a three octets representation, the letter T occupies only one octet and the other two octets remain empty. These two empty bytes will be passded with ==

010101 000000 000000 000000

  V      A      =      =   

So T is equal to VA== in Base64.

Base64 as Encryption Method

Base64 encoding is not a very strong security measure because decoding it is very easy. As it is with encoding, TechWelkin Base64 Decoder can easily decode Base64 and break encryption. Therefore, this method should not be used if stakes are high. It can be used just to obfuscate ordinary text.

Base64 Table