Image Tool
Base64 Encoder
Convert any image to a Base64 string online. Output as data URL or raw Base64. Copy for use in CSS, HTML, or JSON.
Use Base64 Encoder FreeHow to encode an image to Base64
- 1
Upload your image in any supported format
- 2
Choose output format: data URL or raw Base64 string
- 3
Copy the Base64 string to use in your code, CSS, or JSON
Frequently Asked Questions
What is Base64 encoding?
Base64 encoding converts binary image data into text format that can be embedded directly in HTML, CSS, or JSON.
When should I use Base64 images?
Use Base64 for small images (icons, logos) to reduce HTTP requests.
Can I decode Base64 back to an image?
Yes, paste a Base64 string into the tool and it will decode it back to an image for download.
What's the difference between data URL and raw Base64?
Data URL includes the MIME type prefix ready for use in HTML/CSS. Raw Base64 is just the encoded string.