file.io
file.io
Uploads a file and deletes it the moment someone downloads it
No sign-up
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file.io
Uploads a file and deletes it the moment someone downloads it
pairdrop.net
Finds other browsers on your network and sends files straight to them
send-anywhere.com
Pairs two devices with a six-digit key instead of sending a link
fromsmash.com
Sends a file of any size without charging you for the big ones
toffeeshare.com
Streams a file from your browser to theirs with no copy in between
send.tresorit.com
A 5 GB end-to-end encrypted drop that needs no sign-up on either side
wetransfer.com
Drop a file, type two email addresses, and it sends a download link
wormhole.app
Encrypts the file in your browser, then hands you a self-expiring link
Where these come from
A real job usually crosses two or three categories, which is why starting from the task is often faster than starting from the shelf.
Questions
Under about 2 GB, an expiring-link service is simplest. Above that, a browser-to-browser transfer avoids the upload entirely but needs both people online at the same time. Encrypt anything sensitive before it leaves your machine, not after.
Yes — 5 of the 8 sites listed here work with no account at all. They are marked "No sign-up" and you can spot them by the green rule down the left edge of the card.
2 of these do the work inside your browser and never upload the file — those are the ones to use for anything with personal data in it. The rest send your input to their servers, which is fine for public material.