Base64 Encode Online
Convert text, files, and images to Base64 format instantly. Fast, secure, and completely free.
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The Simplest Way to Encode Base64
Base64 encoding converts binary data into ASCII text format, making it safe to transmit through text-based systems like email, JSON, or URLs. Our free online encoder handles text, files, and images with ease.
Unlike other tools, our encoder processes everything locally in your browser. Your sensitive data never leaves your device, ensuring complete privacy and security.
Powerful Encoding Features
Everything you need for Base64 encoding
Text Encoding
Encode any text string to Base64 with support for UTF-8, ASCII, and Unicode characters.
File Encoding
Drag and drop files to encode them to Base64. Perfect for embedding files in JSON or XML.
Image Encoding
Convert images to Base64 data URIs for inline embedding in HTML, CSS, or JSON.
URL-Safe Mode
Generate URL-safe Base64 output that can be safely used in URLs without additional encoding.
How to Encode Base64
Three simple steps
Paste or Upload
Enter your text or drag and drop a file to encode.
Choose Options
Select standard or URL-safe encoding format.
Copy Result
Your Base64 encoded output is ready to use instantly.