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Image to Base64

Convert images to Base64 data URI

Click or drop an image here

About Image to Base64

Image to Base64 reads an image file and encodes it as a Base64 data URI, entirely in your browser using the FileReader API — your file is never uploaded to a server. The encoding happens automatically as soon as you select a file, ready to copy.

How to use Image to Base64

  1. 1Click the upload area and select an image file from your device.
  2. 2The Base64 data URI is generated automatically — there's no separate convert button.
  3. 3Review the encoded text in the output box.
  4. 4Click 'Copy Base64' to copy the full data URI to your clipboard.

Frequently Asked Questions

What image formats does Image to Base64 support?

It accepts common formats your browser can open, such as JPG, PNG, GIF, and WebP.

Is there a file size limit for the Image to Base64 converter?

There's no fixed size limit — encoding happens locally, so it's limited only by your device's available memory. Keep in mind large images produce very long Base64 strings.

Can I use Base64 images in all browsers?

Yes, data URIs are supported by all current browsers.

Why would I need to convert an image to Base64?

It's useful for embedding small images directly in HTML, CSS, or JavaScript without a separate file request.

Tips & Tricks

  • ✓Base64 encoding works best for small images and icons — large images produce very long strings that bloat your code.
  • ✓Compress or resize an image before encoding it if you want a shorter Base64 string.
  • ✓Paste the full data URI (starting with data:image/...) directly into an src or url() property.
  • ✓Test the encoded image in your actual application before relying on it, to confirm it renders correctly.