The safest way for anyone to send files through the internet. Still in development. End-to-end encrypted
Cost / License
- Free
- Proprietary
Platforms
- Software as a Service (SaaS)
Netherlands
EU

Smash is described as 'Send encrypted files without size limits. No need to have a Smash account' and is a large file transfer service in the file sharing category. There are more than 50 alternatives to Smash for a variety of platforms, including Web-based, SaaS, Mac, Windows and iPhone apps. The best Smash alternative is Blip. It's not free, so if you're looking for a free alternative, you could try Blip or Transfer.it. Other great apps like Smash are Wormhole, SwissTransfer, Send Anywhere and Sharrr.
The safest way for anyone to send files through the internet. Still in development. End-to-end encrypted

Reezu works well for people who want to send large video files and let others watch them immediately. The recipient does not need an account and can stream the video before downloading it. The original file is always available with no compression.

Key&Box is for sending or collecting secure information over the internet, encrypted in transit and at rest.


Peer-to-peer sharing app for sending files and text instantly between devices on the same Wi-Fi, with privacy-focused encryption, no login or installs, no cloud or server storage, up to 25MB file support, and compatibility with any modern browser or device.





ButterShare is a free, web-based peer-to-peer file transfer service that lets you send files of any size directly between devices with no account, no app installation, and zero intermediate cloud file storage.

Free peer-to-peer device sync. Share files and text between devices instantly by scanning a QR code. No account, no cloud, no installation required.




Sandra is a secure file transfer service that lets you send files up to 5 GB for free — no account required. Every transfer is encrypted, protected by optional passwords, and delivered via an expiring shareable link. Recipients can download everything as a single ZIP archive.

Self-hosted file transfer tool enabling peer-to-peer sending from CLI or browser using passphrases and WebRTC. Relay never accesses contents. Includes mailbox mode for temporary encrypted storage, requires no account, and supports large file exchanges securely.

MASV is a cloud-based intelligent managed file transfer (IMFT) designed to orchestrate global file movement in cloud, on-prem, and hybrid workflows.




CROSSBOW is large-file transfer solution. Built on a proprietary RUDP stack (mkudp) and the mkfft transfer architecture, it delivers direct peer-to-peer transfers with no cloud relay involved.

