Image to Base64
Convert any image to a Base64 data URL for inline embedding.
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Drop your image or click to browse
Convert image to Base64 data URL
What is Base64 encoding?
Base64 turns binary data (like images) into ASCII text. The result can be embedded directly in HTML, CSS, or JSON without needing a separate file.
When to use it
- Small icons and logos (under 10 KB)
- SVGs in CSS
- Email templates with inline images
- Reducing HTTP requests on landing pages
When NOT to use it
- Images over 50 KB (Base64 is 33% larger)
- Photos that will be reused
- Images that benefit from browser caching
Privacy
Everything runs in your browser. Nothing is uploaded.
Frequently Asked Questions
What is image to Base64 conversion?
It converts an image file into a Base64-encoded string that can be embedded directly in HTML, CSS, or JSON without a separate file.
When should I use Base64 images?
For small icons (under 10 KB), inline SVGs, or when you want to reduce HTTP requests. Avoid for large images — Base64 is ~33% larger than the original.
Is it free?
Yes, completely free.
Is my image uploaded?
No. Everything runs in your browser.
What output formats are supported?
Data URL, raw Base64, CSS background-image snippet, and HTML <img> tag.