The best alternatives to DropJar are Infinit, ShareOn, and FilePizza. If these 3 options don't work for you, we've listed a few more alternatives below.
blymp.io is a webapp that allows you to easily transfer files between devices with high speeds. It uses modern technologies like WebRTC, Blobs and WebSockets to allow files to be transferred as fast as possible.
KwiqFlick instantly sends files to anyone • No Expiration of files and transfers • Send large files over 2GB • Your files are stored until you delete them • Instant transfer • Send to anyone with an email • All for free A simple and easy way to transfer files.
Transfer files and plain text easily and securely without the need of creating an account. Simply start a session invite others, and you're all synced!
Jybe.gg is a web app that allows you to share links, images, files, and plain text between all your devices! Just log in on one device, upload what you want, and log in on another device to access it! Check it out on YouTube: https://youtu.be/YR2staVZ7Ek