Convert Image to Base64

Encode the original image bytes as a data URI for HTML, CSS, or a test fixture.

Choose an image to encode as Base64

Drop an image here, or choose one from your device.

JPG, PNG, WebP, AVIF, or GIF · 1 image · up to 10 MB

Your original files stay unchanged. Processing happens in this browser where supported.

How to use this tool

Read the selected image locally without converting it and expose its Base64 data URI as selectable text.

  1. 1Choose one JPG, PNG, WebP, AVIF, or GIF up to 10 MB.
  2. 2Create the data URI and review its MIME type and text.
  3. 3Copy it into your code only where inline image data is appropriate.

Best for

Small icons, prototypes, and code examples where embedding a short image string is useful.

Privacy

Files are processed locally in this browser for this tool. The original files stay unchanged, and file names or image contents are not included in tool analytics. Read our privacy policy

Limitations

  • Base64 increases payload size and can make HTML or CSS harder to cache and maintain.
  • The MIME type describes the detected source bytes; no image conversion is performed.
  • Avoid embedding sensitive images in public source code.

Questions

How do I use convert image to base64?

Choose one JPG, PNG, WebP, AVIF, or GIF up to 10 MB. Create the data URI and review its MIME type and text. Copy it into your code only where inline image data is appropriate.

What format will I download?

The data URI MIME type is detected from the original bytes. This tool does not convert the source image.

Are my files uploaded?

No. This tool processes the selected files locally in your browser. Processing speed and format support depend on your device and browser.

Can I change the original file?

No. The tool creates a separate downloadable result; your source file remains unchanged.

Can I use this tool on my phone?

Yes, in a current mobile browser. Large images or batches may take longer and use more memory on a phone, so reduce the batch or image size if processing stops.

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