Base64 Encode
Convert any text to Base64 encoding instantly. Free online tool for developers, data transfer, and web applications.
Run tool
The Base64 Encode tool converts plain text into Base64-encoded output. It works by encoding the text into the Base64 format. This is useful for embedding data in URLs, email attachments, or JSON payloads where binary data needs to be represented as text. The tool accepts any non-empty text input and returns the encoded string. If the input is empty, the output panel remains blank. This tool is designed for text encoding only and does not handle file uploads or binary data directly. It is a straightforward utility for developers and anyone who needs quick Base64 encoding without installing software. The interface is simple: paste your text, click run, and copy the encoded result. There are no hidden settings or options to configure. Review the encoded result before using it in another system. Use it for encoding API keys, small data snippets, or any text that needs to be safely transmitted over text-based protocols.
Instructions
- Type or paste the text you want to encode into the input box.
- Make sure the text is not empty. The tool requires at least one character.
- Click the 'Run' button to start the encoding process.
- The result appears in the output panel.
- Copy the Base64-encoded string from the result panel.
- Use the encoded string in your application, email, or data transfer.
Examples
- Enter 'Hello World' and get 'SGVsbG8gV29ybGQ='.
- Enter 'Base64 encoding is useful' and get 'QmFzZTY0IGVuY29kaW5nIGlzIHVzZWZ1bA=='.
- Enter '12345' and get 'MTIzNDU='.
- Enter 'A' and get 'QQ=='.
FAQ
What is Base64 encoding used for?
Base64 encoding is commonly used to transmit binary data over text-based protocols like email (MIME), HTTP (for embedding images in CSS or HTML), and JSON. It converts binary data into a safe ASCII string that won't be corrupted by systems that only handle text.
Can I decode Base64 with this tool?
This tool is for encoding text to Base64. If you need to decode Base64, you can use a dedicated decoder tool.
What happens if I leave the input empty?
If you leave the input empty, the output panel remains blank. You need to enter at least one character for the encoding to work.
Does this tool work with non-English characters?
Yes, the tool converts your text to UTF-8 bytes before encoding, so it supports characters from many languages, including accented letters, Chinese characters, and emoji.
Is my data sent to a server?
The tool accepts text and returns its Base64 representation. This page does not make a transmission or retention guarantee, so check the current privacy information before entering sensitive text.