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🖼️
Image to Base64 Converter
Convert images to Base64 encoded strings and decode Base64 back to images for web development and data embedding
imagebase64converterencodedecodeembedcsshtmldata-uri
Image to Base64 Converter
Convert images to Base64 encoded strings and decode Base64 back to images
Upload Image
📁
Drop your image here or click to browse
Supports PNG, JPG, GIF, WebP, SVG (max 10MB)
🖼️ About Image to Base64 Conversion
Supported Formats
• PNG (Portable Network Graphics)
• JPEG/JPG (Joint Photographic Experts Group)
• GIF (Graphics Interchange Format)
• WebP (Web Picture format)
• SVG (Scalable Vector Graphics)
Common Use Cases
• Embedding images in CSS
• Inline images in HTML
• API responses with image data
• Email templates
• Reducing HTTP requests
Important Notes
• Base64 increases file size by ~33%
• Best for small images (< 50KB)
• Data URIs work in all modern browsers
• Consider caching implications
• Alternative to external image files
Key Features
• Drag & drop file upload with preview functionality
• Support for multiple image formats and data URI generation
• Copy full Base64 string or data-only portion
• Decode Base64 back to viewable and downloadable images
• Real-time file information display (size, dimensions, format)
• All processing happens locally in your browser for privacy
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About Image to Base64 Converter
The Image to Base64 Converter tool allows you to convert images into Base64 encoded strings for embedding directly in CSS, HTML, or APIs. Also supports decoding Base64 strings back to viewable images. Essential for web developers working with data URIs and image optimization.
✨ Key Benefits
- Convert images to Base64 encoded strings
- Decode Base64 strings back to images
- Support for multiple image formats (PNG, JPG, GIF, SVG, WebP)
- Generate data URIs for CSS and HTML
- Reduce HTTP requests by embedding images
- Copy Base64 strings to clipboard
- Download converted images
- Preview images before and after conversion
- Works entirely in your browser
🚀 Features
- Drag & drop image upload
- Multiple image format support
- Base64 encoding and decoding
- Data URI generation
- Image preview functionality
- Copy to clipboard support
- Download functionality
- File size information
- Image dimension display
- Real-time conversion
💡 Use Cases
- Embedding small images in CSS files
- Including images in HTML without external files
- API responses with embedded image data
- Email templates with inline images
- Single-page applications with bundled assets
- Offline-first web applications
- Reducing HTTP requests for performance
- Image data transmission in JSON APIs
🎯 Fun Facts
- Base64 encoding increases file size by approximately 33%
- Base64 was originally designed for email attachments
- Data URIs were introduced in RFC 2397 in 1998
- Base64 uses 64 printable ASCII characters
- Gmail uses Base64 encoding for email attachments
- Base64 encoding helps avoid issues with binary data transmission
- CSS data URIs can eliminate HTTP requests for small images
- Base64 is named after the 64-character set it uses
📚 Historical Context
- Base64 encoding was first described in RFC 989 in 1987
- The MIME standard (RFC 2045) formalized Base64 in 1996
- Data URIs were standardized in RFC 2397 in 1998
- Modern browsers started supporting data URIs in the early 2000s
- Base64 became essential for web APIs and JSON data transfer
- CSS data URIs gained popularity with CSS3 adoption
- Modern build tools often automatically convert small images to Base64
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