Question 1

What image formats are supported?

Accepted Answer

PNG, JPEG, GIF, WebP, SVG, and most common image formats are supported.

Question 2

Is there a size limit?

Accepted Answer

Files up to 10MB can be converted. Larger images may cause browser slowdown.

Question 3

What is the output?

Accepted Answer

A Base64 data URI string you can paste into HTML src, CSS url(), or JSON. Optionally with a format prefix (data:image/png;base64,...).

Question 4

Is my image sent to a server?

Accepted Answer

Conversion can be done client-side in the browser. Your image is not uploaded or stored; check the tool's implementation.

Question 5

When should I use image to Base64?

Accepted Answer

Use it to embed small images in HTML emails, inline CSS, or API payloads to avoid separate file requests.

Question 6

Why is my Base64 string very long?

Accepted Answer

Base64 increases size by about 33%. Large images produce long strings; consider compressing the image first or using external hosting for big files.

Image to Base64

Frequently Asked Questions