Kapwing

Kapwing is a free online editor created in 2017 to make projects and images. Anybody can Anonymously create videos but the watermark will appear but if you are signed in then there will be no watermark. However, there are some screamers that are created with the editor.

Links
NOTE : The following videos contain screamers!
 * I LOVE BURGERS!: kapwing.com/videos/5faac539d13aa800da625a20
 * Just a White Background!: kapwing.com/videos/5fc91b809b9180007ede0a34
 * World's Longest Bus!: kapwing.com/videos/5f862f02e69faa009f50cd8b
 * Screaming jumpscare prank: reddit.com/r/ScreamerWiki/comments/jqfazt/screaming_jumpscare_prank/