The best alternatives to Disposable URL are Firefox Send, WeTransfer, and Tresorit. If these 3 options don't work for you, we've listed a few more alternatives below.
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Universal-2 by AssemblyAI— Speech-to-Text API for conversational data
WeTransfer is a file-sharing platform that allows users to easily send large files up to 2GB for free. Paid plans are also available for added features like password protection and more storage space.
Tresorit is an online cloud storage service based in Switzerland and Hungary that emphasizes enhanced security and data encryption for Businesses and individuals/freelancers. ... Tresorit has been likened to a high-security alternative to Dropbox.
Datash(a free and open-source application) helps you to send and receive text and files from one device to another one through browser without any login or registration using end-to-end encryption which ensures data is being sent to the intended person.
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