Discover a wide range of Base64 tools designed to simplify your data encoding and decoding tasks. Whether you need to encode text, images or files, or decode Base64 data back to its original form, our set of versatile tools provides an efficient solution for all your Base64-related needs.
- Base64 Encoding Encode your data into Base64 format.
- Base64 Decoding Decode Base64 data into its original form.
- Base64 to Image Convert Base64 string to an image.
- Image to Base64 Convert an image to Base64 string.
- URL Encoding Encode URL parameters to be sent over HTTP.
- URL Decoding Decode URL parameters received from HTTP.
- HTML Encoding Encode text containing HTML special characters.
- HTML Decoding Decode HTML special characters.
- PDF to Base64 Convert PDF file to Base64 string.
- Base64 to PDF Convert Base64 string to a PDF file.
- Word to Base64 Convert Word document to Base64 string.
- Base64 to Word Convert Base64 string to a Word document.
- Excel to Base64 Convert Excel spreadsheet to Base64 string.
- Base64 to Excel Convert Base64 string to an Excel file.
How Base64 Encoding and Decoding Works
Base64 encoding is a popular way to convert binary data into text format. This technique ensures that data can be transmitted over systems that only handle text, such as email or JSON. Let's learn how Base64 encoding and decoding works.
What is Base64 Encoding?
Base64 encoding takes binary data and converts it into ASCII string format. This method uses 64 characters: uppercase (A-Z), lowercase (a-z), numbers (0-9), and two symbols (+ and /). Its purpose is to make binary data readable in text-based systems.
For example:
- Binary Input:
01001001 01001110 01010000 - Base64 Encoded:
SU5Q
Why Use Base64?
Base64 is commonly used in:
- Email Attachments: To send images or files as plain text.
- Web Applications: To embed images or data in HTML or CSS
- APIs: Transferring non-text data in JSON format.
How Base64 Encoding Works
- Convert Data to Binary: Input data is translated into binary format.
- Split into 6-Bit Groups: Each group represents a number between 0 and 63.
- Map to Base64 Characters: Use the Base64 table to convert numbers into corresponding characters.
Example:
- Input Text:
INP - Binary:
01001001 01001110 01010000 - Base64:
SU5Q
How Base64 Decoding Works
Decoding reverses the process:
- Convert Characters to Binary: Map each Base64 character to its binary equivalent.
- Combine Binary Groups: Merge binary chunks to recreate the original data.
- Translate to Original Format: Convert binary back to the original text or file.
Example:
- Base64:
SU5Q - Binary:
01001001 01001110 01010000 - Output:
INP
Limitations of Base64
- Increased Size: Encoded data is ~33% larger than the original.
- Not for Encryption: Base64 doesn’t secure data—it’s just an encoding method.
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