Base64 to ICO Decoder: Convert Base64 Images to ICO

The Base64 to ICO Encoder is a utility that converts Base64-encoded images into ICO format. By pasting your Base64 code into the designated area, you can effortlessly obtain the corresponding ICO file using this tool.

What is Base64?

Binary-to-text encoding is the process of converting binary data into a textual representation that can then be easily transmitted or stored in a text-based format. This is especially useful in situations where only text data is expected or supported, such as email attachments or text-based protocols.

Base64 is one of the common binary-to-text encoding schemes. In Base64 encoding, every three bytes of binary data are represented as four characters in the ASCII character set. These characters are typically alphanumeric (A-Z, a-z, 0-9) and may include two additional symbols, most commonly “+” and “/”, as well as the padding character “=”, if necessary.

What is Base64 Decoding? How Does Base64 Decoding Work?

Base64 decoding is the process of turning Base64-encoded data back into its original binary format. Binary data is represented using a set of 64 ASCII characters in Base64 encoding, making it appropriate for transmission or storage in systems that process text data.

Here’s a step-by-step explanation of how Base64 decoding works:

1. Grouping into 6-bit chunks: The Base64-encoded data is separated into 4 character chunks. Each character corresponds to 6 bits of original binary data.
2. Mapping to decimal values: Each character in the chunk is mapped to its corresponding 6-bit binary value using the Base64 character set. The character set includes 26 uppercase letters (A-Z), 26 lowercase letters (a-z), 10 digits (0-9), and usually two additional characters (e.g., “+”, “/”).
3. Concatenation of binary values: The resulting 24 bits (6 bits from each character) are concatenated to give a binary value of 24 bits.
4. Conversion to bytes: The 24-bit binary value is then split into three 8-bit bytes, which represent the original binary data.
5. Padding handling: If padding characters (‘=’) were added during the encoding process to make the data length a multiple of 4, they are removed during decoding.
6. Reconstruction of original data: The decoded 8-bit bytes are combined to reconstruct the original binary data.

What is ICO?

ICO is a shorthand for the “Icon” file format. It’s a popular file format for storing icons, which are little graphical representations that appear on a computer’s user interface to represent applications, files, folders, and other things. ICO files can contain one or more images with varying resolutions and color depths, allowing them to be displayed at multiple sizes without losing quality.

What is the Base64 to ICO Converter?

A Base64 to ICO Converter is a tool designed to convert Base64-encoded data into ICO (Icon) format, commonly used for icons in Microsoft Windows. This conversion involves decoding the Base64 data into its original binary form and structuring it according to ICO file specifications. Users can input the Base64 data into the converter’s interface, which then performs the decoding process and produces a downloadable ICO file. This tool is useful in scenarios where Base64-encoded ICO data needs to be transformed into a standard ICO file for applications or systems that recognize the ICO format.

How Do I Use the Online Base64 to ICO Image Decoder?

1. First, paste the encoded Base64 image.
2. No need to press a button, wait until Base64 is decoded. For large photos, this may take longer.
3. The decoded ICO image will automatically appear in the Output box.
4. If you want, you can download the result using the Download button.

How does the Base64 to ICO Converter work?

The Base64 code entered on the website will be attempted to be decoded by the system, and if the code is correct, the ICO image file will be displayed and available for download.

Why would I need to convert Base64 to ICO?

There are many situations in which Base64 images may need to be decoded, the most common being when we receive a Base64 image and want to download it in a format we are familiar with, such as ICO.

Is it secure to use your Base64 to ICO Converter?

Our converter is client-side, which means that neither the Base64 code you enter nor the decoded ICO image is stored on our server, so your images are completely safe.

Base64 Characters

Base64 characters are made up of 64 ASCII characters, which include 26 uppercase letters, 26 lowercase letters, 10 numerals, and two extra characters, such as “+”, and “/”. The padding character in Base64, typically “=”, is used to ensure that the length of the encoded data is a multiple of four, helping maintain the integrity of the encoding scheme by signaling the presence of additional bits.

Value	Character	Binary Value
0	A	000000
1	B	000001
2	C	000010
3	D	000011
4	E	000100
5	F	000101
6	G	000110
7	H	000111
8	I	001000
9	J	001001
10	K	001010
11	L	001011
12	M	001100
13	N	001101
14	O	001110
15	P	001111
16	Q	010000
17	R	010001
18	S	010010
19	T	010011
20	U	010100
21	V	010101
22	W	010110
23	X	010111
24	Y	011000
25	Z	011001
26	a	011010
27	b	011011
28	c	011100
29	d	011101
30	e	011110
31	f	011111
32	g	100000
33	h	100001
34	i	100010
35	j	100011
36	k	100100
37	l	100101
38	m	100110
39	n	100111
40	o	101000
41	p	101001
42	q	101010
43	r	101011
44	s	101100
45	t	101101
46	u	101110
47	v	101111
48	w	110000
49	x	110001
50	y	110010
51	z	110011
52	0	110100
53	1	110101
54	2	110110
55	3	110111
56	4	111000
57	5	111001
58	6	111010
59	7	111011
60	8	111100
61	9	111101
62	+	111110
63	/	111111