Image to Base64
Convert images to Base64 strings
Convert any image to a Base64-encoded string for use in HTML, CSS, or JSON. Decode Base64 back to an image instantly.
How to Use Image to Base64
- 1Upload your image file
- 2The Base64 encoded string appears instantly
- 3Choose output format: raw Base64 or data URL
- 4Click "Copy" to copy the string to clipboard
- 5Or paste a Base64 string to decode it back to an image
Features
- Encode any image to Base64 instantly
- Output as raw Base64 or complete data URI
- Decode Base64 strings back to images
- Copy output with one click
- Supports JPEG, PNG, WebP, GIF, SVG
- All processing in browser — files never uploaded
Frequently Asked Questions
What is Base64 image encoding used for?
Base64 lets you embed images directly in HTML, CSS, or JSON without a separate file. Useful for email templates, inline SVGs, and API responses that include images.
Does Base64 encoding increase file size?
Yes. Base64 encoding increases the file size by approximately 33%. Inline images in HTML/CSS should be small (under 10KB) to avoid page bloat.
What is a data URL?
A data URL is a URI scheme that embeds file data inline: data:image/png;base64,... It allows images to be included directly in HTML or CSS without a separate request.