Image to Base64 Encoding

Encode images into Base64 strings

Upload an image to display the Base64 string

Encode both local image files and image URLs on the web

Output in various formats such as data URLs, img tags, and CSS backgrounds

Switch output between prefixed data URLs and Base64 data only

Copy the output format that fits your purpose individually with one click

1

Pick an image on the File tab, or enter an image URL on the URL tab

2

Press the run button to encode the image into a Base64 string

3

Check the data URI format toggle and copy or download the output for your purpose

Embed small images directly into HTML or CSS to reduce the number of loads

Embed images directly into HTML email to display them without external references

Set a favicon without an external file using the Link tag format output

Store images in API requests or responses in JSON or XML format

Processed temporarily on the server and discarded after the result is returned. Only the information needed for the lookup is sent.

For image retrieval, temporary processing occurs on the server, then data is discarded after results are returned.

All sent and received data is encrypted by TLS and cannot be read by third parties.

Input content is not sent to external services such as ad networks or trackers.

When a URL is specified, the server fetches only the target URL to retrieve the image