Send big files directly between devices – no cloud upload, no waiting, no storage limits.
Trying to send a large video, project folder, or high-resolution photos? You've probably hit these frustrating limits:
Most email providers block large attachments
Limit: 25 MB
Messaging apps compress files or block them
Limit: 100 MB (compressed)
Free storage fills up quickly
Limit: 2-15 GB free
InstDrop transfers files directly between devices without going through any cloud servers. Your files never leave your network.
No Cloud Upload
Files go directly to recipient
Faster Transfer
No upload/download – just direct transfer
Private & Secure
End-to-end encrypted, no server storage
InstDrop supports large file transfers directly between devices:
Up to 4 GB
Per individual file
Up to 8 GB
Multiple files in one transfer
Open your web browser and go to:
instdrop.czClick 'Create Connection' to get a QR code and shareable link.
Have the recipient scan the QR code or open the link on their device.
Choose the files or folders you want to send. For multiple files, use the folder transfer option.
Files transfer directly to the recipient's device. They can download immediately.
Sender
Select large files
QR Code
Scan & Connect
Receiver
Download files
✓ Files never uploaded to any server
✓ No third-party can access your data
✓ End-to-end encryption (WebRTC)
✓ No account or registration needed
Start sending big files without cloud storage – it's free and instant.
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WebRTC is the technology that powers InstDrop's secure, direct file transfers between devices. Here's everything you need to know.
InstDrop uses WebRTC technology, which automatically encrypts all data using DTLS and SRTP protocols. Here's how you can verify it yourself.
When you save a received file, it stays exclusively in your browser. Nothing is sent to any server. Here's how you can verify it.
InstDrop uses WebRTC for direct P2P file transfer between devices. Find out if your browser is compatible.
WebRTC connections are inherently temporary and cannot be serialized for future use. This limitation is actually a security advantage.
Paranoid Mode provides enhanced security for your transfers by ensuring exclusive 1:1 communication between exactly two devices.
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