Image to Base64 Converter – Fast, Free & Secure Online

Convert Image to Base64 Free - Easy Image Encoder

Convert Image to Base64 Free

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Drop your images here or click to browse
Supports multiple files • JPG, PNG, GIF, WebP • Client-side processing
Base64 Output Options

About This Tool

Our Image to Base64 converter is a powerful, free tool that transforms images into Base64 encoded strings. Perfect for embedding images directly in CSS, HTML, or data URIs without requiring separate image files. Ideal for web developers, designers, and anyone working with inline images.

This tool processes your files entirely in your browser, ensuring complete privacy and security. No images are uploaded to any server, and all conversions happen locally on your device.

Key Features

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100% Private

All processing happens locally in your browser

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Multiple Files

Convert multiple images simultaneously

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Instant Results

Fast conversion with immediate preview

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Mobile Friendly

Works perfectly on all devices and screen sizes

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Multiple Formats

Output as Base64, Data URI, CSS, or HTML

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Easy Copy

One-click copy to clipboard functionality

How to Use

  1. Upload Images: Drag and drop your image files into the upload area or click to browse and select files
  2. Configure Options: Choose your Base64 output preferences using the checkboxes and dropdown
  3. Convert: Click the "Convert to Base64" button to start the conversion process
  4. Preview: Review the converted Base64 content and image preview
  5. Copy or Download: Use the copy button to copy to clipboard or download the Base64 text file

Supported Formats: JPG, JPEG, PNG, GIF, WebP, BMP, SVG

Output Options: Base64 string, Data URI, CSS background-image, HTML img src

Frequently Asked Questions

What is Base64 encoding and why use it?
Base64 is a binary-to-text encoding scheme that represents binary data in ASCII format. It's commonly used to embed images directly in HTML, CSS, or JSON without requiring separate image files. This reduces HTTP requests and can improve page load times for small images.
What image formats are supported?
The tool supports all common image formats including JPG, JPEG, PNG, GIF, WebP, BMP, and SVG. The original format and quality are preserved in the Base64 encoding.
Is my data secure when using this converter?
Yes, absolutely! This tool processes all images locally in your browser. No images are uploaded to any server or transmitted over the internet. Your images remain completely private and secure on your device.
What's the difference between Base64 and Data URI?
Base64 is just the encoded string, while Data URI includes the MIME type prefix (e.g., "data:image/png;base64,"). Data URIs can be used directly in HTML img src attributes or CSS background-image properties.
Are there any file size limitations?
While there's no hard limit, very large images (over 10MB) might cause performance issues in your browser. Base64 encoding increases file size by about 33%, so consider optimizing large images before conversion.
Can I use the Base64 output in my website?
Yes! You can use the Base64 output directly in HTML img tags, CSS background-image properties, or anywhere that accepts image data. The tool provides formatted output for different use cases.

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