image

Mode

Select Image

Drop image here or click to select

Output Options

Base64 Output

Select an image to generate base64 encoding

About Base64 Encoding

  • Purpose: Embed images directly in HTML, CSS, or JSON
  • Size increase: ~33% larger than binary (3 bytes → 4 characters)
  • Data URI: data:image/png;base64,... format for direct use in src attributes
  • Use cases: Small icons, CSS backgrounds, email templates, API payloads
  • Avoid for: Large images (use URLs instead for better caching)