Convert images to Base64 data URLs
Click here or drag and drop an image file
Choose File
Select any image file from your device (JPG, PNG, GIF, WebP, etc.)
Choose whether to include the data URL prefix for direct HTML/CSS usage
Convert to Base64 and copy the result or download as a text file
Support for all major image formats with instant preview
Choose between full data URL or raw Base64 string output
Get detailed image information including size and dimensions
A: Base64 is a binary-to-text encoding scheme that converts binary data (like images) into ASCII text. It's commonly used to embed images directly in HTML/CSS or transfer binary data over text-based protocols.
A: Base64 encoding increases file size by approximately 33% because it uses 4 ASCII characters to represent every 3 bytes of binary data. This overhead is the trade-off for text-based encoding.
A: Use the full data URL (with prefix) when embedding directly in HTML/CSS. Use raw Base64 when you need just the encoded data for APIs or when you'll add your own prefix.
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Convert images to Base64 data URLs
Click here or drag and drop an image file
Choose File
Select any image file from your device (JPG, PNG, GIF, WebP, etc.)
Choose whether to include the data URL prefix for direct HTML/CSS usage
Convert to Base64 and copy the result or download as a text file
Support for all major image formats with instant preview
Choose between full data URL or raw Base64 string output
Get detailed image information including size and dimensions
A: Base64 is a binary-to-text encoding scheme that converts binary data (like images) into ASCII text. It's commonly used to embed images directly in HTML/CSS or transfer binary data over text-based protocols.
A: Base64 encoding increases file size by approximately 33% because it uses 4 ASCII characters to represent every 3 bytes of binary data. This overhead is the trade-off for text-based encoding.
A: Use the full data URL (with prefix) when embedding directly in HTML/CSS. Use raw Base64 when you need just the encoded data for APIs or when you'll add your own prefix.