This web utility converts a Base64 encoded string into .xls, .xlsx and other formats. Simply upload your Base64 encoded data, and the program will do the rest, decoding the data and delivering a Excel file version of your data in no time.
Base64 to Excel Converter
Input: Base64 Encoded Excel File
What is Base64?
Base64, a popular encoding system, converts binary data into a human-readable format by employing a standardized set of ASCII characters. This conversion process acts as a bridge, allowing for the efficient storage and transfer of binary data within text-based contexts.
What is Base64 Encoding & Decoding?
The encoding process involves dividing the binary data into groups of 3 bytes, each representing 24 bits of information. These groups are then converted into 4-character groups of Base64 characters, each representing 6 bits of information. This mapping ensures that the original binary data can be reconstructed from the Base64 representation.
Base64 decoding reverses the encoding process, converting Base64-encoded data back to its original binary form. It transforms characters from the 64-character ASCII set into binary representations, retrieving the original data for access, interpretation, and usage.
How Does Base64 Decoding Work?
Base64 decoding works by mapping characters from Base64-encoded text back to their binary values. The original binary data is then reconstructed by merging these binary values. Following this reverse transformation, the encoded data is returned to its pre-encoded condition, suitable for processing, storage, or transmission.
What is Excel?
Microsoft Excel is an electronic spreadsheet tool used for data storage, organization, and manipulation. It is part of Microsoft’s 365 software package, which also includes Word, PowerPoint, Teams, Outlook, and other applications. Excel allows users to generate tables, charts, and graphs to aid in the computation and visualization of large data sets. It also has calculating or computation capabilities, pivot tables, and Visual Basic for Applications (VBA), a macro programming language.
What is the Difference Between XLS and XLSX?
XLS and XLSX are two different file formats used by Microsoft Excel. The primary difference between the two formats is the underlying file structure. XLS files are based on the Binary Interchange File Format (BIFF) and store information in binary format, while XLSX files are XML-based with a more open structure.
When compared to XLS files, XLSX files are often lower in size and less prone to corruption. Additionally, XLSX files provide more complex choices and compatibility with the most recent Excel features and chart kinds. However, XLS files may still be useful in some scenarios, particularly when working with legacy Excel versions that may not fully support the XLSX format.
What is the Base64 to Excel File Converter?
The Base64 to Excel File Converter is a useful tool that enables you to convert data encoded in Base64 format into Microsoft Excel (.xls or .xlsx) files. This program streamlines the process of converting Base64 data, making it easy for you to access and edit your data in Excel. With just a few clicks, you can quickly transform your Base64-encoded data into a familiar spreadsheet format, allowing you to analyze and work with your data more effectively.
How To Use the Online Base64 to XLS Decoder?
- Simply enter the Base64 encoded file in the Input field.
- The conversion time may vary depending on the size, so please wait until it is finished.
- You can download the decoded XLS file by clicking the Download button.
Is it Secure to Use Your Base64 to XLS Converter?
Our product prioritizes user privacy and takes a client-side approach, guaranteeing that all data transformations take place exclusively within the user’s web browser. This method avoids the need for data communication to our servers, allowing the user total control over sensitive information during the conversion process.
Base64 Characters
Base64 encoding utilizes 64 ASCII characters: uppercase letters (A-Z), lowercase letters (a-z), digits (0-9), and two special characters, typically “+” and “/”. The “=” character is used for padding.
| 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 |
Text to Base64 Examples
Here’s a table that shows some examples of text-to-base64 conversion:
| Original Text | Base64 Encoded Text |
|---|---|
| Hello | SGVsbG8= |
| Base64 | QmFzZTY0 |
| Example | RXhhbXBsZQ== |
| 123456789 | MTIzNDU2Nzg5 |
| ABCDEFGH | QUJDREVGR0g= |
| This is a test. | VGhpcyBpcyBhIHRlc3Qu |
| The quick brown fox jumps over the lazy dog. | VGhlIHF1aWNrIGJyb3duIGZveCBqdW1wcyBvdmVyIHRoZSBsYXp5IGRvZy4= |
The examples provided demonstrate the transformation of original text (left) into Base64 encoding (right). Upon examination, the encoded text reveals a mix of uppercase and lowercase letters, numbers, and special characters. This mix is characteristic of Base64 encoding, as we wrote before.
