Encode text to Base64 or decode Base64 strings instantly with this free online tool. Convert plain text, URLs, or data to and from Base64 for secure transmission and storage. Perfect for developers handling APIs, emails, and data URIs. No installation or registration required—fast, reliable Base64 conversion with UTF-8 support.
How to Use the Base64 Encoder & Decoder
Options:
- Encode / Decode:
Select whether you want to encode plain text to Base64 or decode Base64 back to plain text.
How to use:
- Choose the desired mode:
- Select Encode to convert your input text to a Base64 string.
- Select Decode to convert a Base64 string back to readable text.
- Paste or type your text or Base64 string into the Input box.
- The converted result will appear instantly in the Output box.
- Use the Copy button to copy the result, or Clear to reset the fields and start over.
Tips:
- This tool is designed for text only. To encode or decode binary files (like images or PDFs), use a dedicated file-to-Base64 converter.
- Make sure your input is valid for the selected mode to avoid errors.