Base64 Encoder & Decoder
Securely encode and decode text or files using Base64. Supports file uploads and multiple character sets.
Input
Result
How to Use the Base64 Encoder & Decoder
What is Base64 Encoding?
Base64 is a method for converting binary data (like images, files, or even complex text) into a limited set of ASCII text characters. Think of it as a universal language for data, ensuring it can be safely transmitted over systems that are designed to handle only plain text. It's commonly used to embed images directly into HTML or CSS files, send file attachments in emails, and safely include complex data in XML or JSON files.
A Step-by-Step Guide
Our tool makes it simple to perform both encoding (text/file to Base64) and decoding (Base64 to text/file) operations.
- Provide Your Input: You have two options for input. To convert text to Base64, simply type or paste it directly into the Input box. To encode a file to Base64 (like an image, PDF, or zip), you can either click the Upload File button or drag and drop the file directly onto the input area.
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Choose Your Operation: Use the Mode switch to select your desired action.
- Encode: Converts your plain text or file into a Base64 string.
- Decode: Converts a Base64 string back to its original text or file form.
- Configure Options (Optional): For most uses, the default settings are perfect. However, you can customize the process. The Character Set dropdown lets you specify the text encoding (UTF-8 is the web standard). For instant conversions as you type, enable Live Mode. For large amounts of text or files, it's best to leave this off and use the "Process" button.
- Get Your Result: Your converted data will appear in the Result panel. If you encoded or decoded text, you can use the Copy Text button or Download .txt. If you decoded a file from a Base64 string, the Download File button will become active, allowing you to save the fully reconstructed original file (e.g., `image.png`, `document.pdf`).