Image to Base64 — Free Online Tool
Convert images to Base64 encoded strings for embedding in HTML, CSS, JSON, and other code formats.
Use Image to Base64
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Use Image to Base64Quick Facts
- 100% free — no signups
- Client-side processing
- No file size limits
- Works on all devices
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What is Base64 Image Encoding?
Base64 encoding converts binary image data into ASCII text, allowing images to be embedded directly in HTML, CSS, JSON, or stored as text in databases.
When to Use Base64 Images
- Inline images in HTML emails
- Data URIs in CSS for small icons
- APIs that accept image data as text
- Storing images in JSON or databases
Pros and Cons
Pros: No external file dependency, works in restricted environments, no CORS issues.
Cons: ~33% larger file size than binary, not cached separately by browsers, increases HTML document size.
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