Peer to Peer file transfer in your browser
Securely share files with anyone. Protect the file from the servers on which it is hosted.
Peer to Peer file transfer in your browser launched on March 20, 2015 with 10 votes, #1,262 of 2,697 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 11 years on.
In plain words
File Sender IO is a browser-based file transfer service that lets users securely share files with others. Unlike major cloud storage providers, all files are encrypted on the user's device before upload, with decryption keys never shared with the service itself. Recipients access shared files through one-time download links, and both file names and accompanying notes are encrypted. The service is designed for anyone needing private file transfers without relying on server-side security.
written from the facts on this page · September 2026
From the sources
Encrypt and Upload File Clear All A download link (for file recipient) will appear below. Upload in progress... Cancel Upload Resume Upload How is this web-based file transfer different? Unlike every popular service (read: Google Drive, Microsoft OneDrive, iCloud, Dropbox, etc.), all data is client-side encrypted with the key never shared with File Sender IO . The key required for decryption always stays in your browser only. A one-time URL allows exactly one download for the recipient. Will the note to recipient be encrypted? Both, the file name and the note to recipient (if any) are fully encrypted. How will the file be delivered? Via a unique, one-time download link generated locally in…from filesender.io
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