Data URI is the most common — it includes the MIME type and can be pasted directly into a src attribute?

Data URI is the most common — it includes the MIME type and can be pasted directly into a src attribute.

Use raw Base64 for JSON payloads or APIs that don't accept Data URIs?

Use raw Base64 for JSON payloads or APIs that don't accept Data URIs.

Watch the size: a 1 MB image in Base64 becomes ~1.33 MB — reserve Base64 for small images (icons, logos).

Convert images to Base64 encoded strings

Convert any image to a Base64 string ready to embed in HTML, CSS or JSON.

1Upload your image via drag and drop.
2The tool automatically generates 4 formats: Data URI, raw Base64, HTML <img> tag, CSS background.
3Click "Copy" next to the desired format.
4Check file info: name, size, dimensions and MIME type.

Data URI is the most common — it includes the MIME type and can be pasted directly into a src attribute.
Use raw Base64 for JSON payloads or APIs that don't accept Data URIs.
Watch the size: a 1 MB image in Base64 becomes ~1.33 MB — reserve Base64 for small images (icons, logos).

OneKitTools TeamUpdated 2.21.4