1.Go to socialbook.io and find  'Free Tools' section.  Click 'Cartoonizer'.

Or click the link to go directly：

Convert Photo to Cartoon Online Free | SocialBook Photo Cartoonizer
Want to convert photo to cartoon online free? Use SocialBook Photo Cartoonizer to turn images into cartoons for free. Convert photo into cartoon in seconds now!
https://socialbook.io/cartoonize

2.Upload your image. The maximum size of the image we support is 5 MB.

3. Enter the verification code and click 'Confirm' to download your image.

4. Here you go! Background of your beautiful photo is cartoonized successfully.

Click 'Free Download' to get free image.

Tips: the experience is even better after logging in and buying plan/coins.