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Base64 Encoder/Decoder

Convert text to Base64 and decode instantly

📝 Input Text

0 characters

✨ Result

0 characters

💡 What is Base64?

Base64 is a method of encoding binary data into text format. It’s commonly used to embed images in HTML/CSS, transmit data over text-based protocols, and obscure sensitive information temporarily. This tool runs 100% in your browser—your data is never sent to a server.

What is Base64 Encoder?

Base64 Encoder is a simple, free online tool that converts plain text or image files into a Base64 encoded string. This encoding scheme is widely used in web development to embed images directly into CSS/HTML, encode data for API transmission, or obfuscate sensitive information.

Whether you are a developer needing to embed a small icon without an HTTP request, or just need to encode a string for a config file, ToolsOnGo handles it instantly. The entire process happens locally in your browser, ensuring your data never leaves your device.

How to Encode to Base64

1. Enter Data Type your text or upload an image file using the options above.
2. Instant Conversion The tool automatically processes your input and generates the Base64 string immediately.
3. Copy Result Click the “Copy” button to grab the encoded string for use in your code or project.

Why Use This Tool?

  • ✅ Client-Side Security: Encoding happens entirely in your browser. Your text and images are never uploaded to a server.
  • ✅ Image Support: Easily convert JPG, PNG, GIF, and SVG images into data URIs for embedding in HTML/CSS.
  • ✅ Fast & Free: No limits on character count or file size (within browser memory). Completely free to use.
  • ✅ Developer Friendly: Perfect for generating data URIs, encoding API payloads, or handling binary data in text formats.

Frequently Asked Questions

❓ Is my data safe when encoding?

Yes, absolutely. Our Base64 encoder runs 100% locally in your browser using JavaScript. Your text or images are never sent to our servers or stored anywhere.

❓ Can I encode images to Base64?

Yes! You can upload image files (PNG, JPG, etc.) and the tool will generate a Data URI string (e.g., data:image/png;base64...) ready to be embedded in your HTML or CSS.

❓ What is Base64 used for?

Base64 is commonly used to encode binary data (like images) into text format so it can be safely transmitted over media designed for text (like JSON, XML, or email).