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Image to Base64

Convert images to base64 encoded strings instantly. Upload or drag & drop images to get clean base64 data URLs for web development.

About Image to Base64 Converter

Convert any image to base64 encoded format with our powerful online tool. This converter supports all major image formats and provides clean, ready-to-use base64 data URLs for your web development projects.

Features

  • Convert images to base64 instantly
  • Drag & drop file upload
  • Manual file selection
  • Support for PNG, JPG, JPEG, GIF, WebP formats
  • Image preview before conversion
  • One-click copy to clipboard
  • File size estimation
  • Clean, formatted base64 output

How to Use

  1. 1
    Upload your image via drag & drop or file browser
  2. 2
    Preview the converted base64 string
  3. 3
    Copy with one click for immediate use
  4. 4
    Clear and start over with new images

Base64 Output Format

The tool generates data URLs in the format:

data:image/[format];base64,[base64-encoded-data]

Common Use Cases

  • Embed images directly in HTML/CSS without external files
  • Store images in databases as base64 strings
  • Include images in JSON APIs and responses
  • Optimize small images for faster loading
  • Create data URLs for CSS background images
  • Embed images in email templates
  • Store images in localStorage for offline apps
  • Include images in configuration files

Technical Details

Supported Formats

  • PNG (.png)
  • JPEG (.jpg, .jpeg)
  • GIF (.gif)
  • WebP (.webp)
  • SVG (.svg)
  • BMP (.bmp)

File Size Limits

  • Maximum file size: 10MB
  • Recommended for images under 2MB
  • Larger files may take longer to process

Best Practices

  • Use base64 for small images (icons, logos, thumbnails)
  • Avoid base64 for large images to maintain performance
  • Consider file size - base64 increases size by ~33%
  • Use appropriate image formats for your use case
  • Test base64 images across different browsers