Autodesk Autocad 202312 X64rartransfer Large Files Securely Top Free ^new^ Official
How design firms protect proprietary blueprints during remote collaboration.
| Tool | Free Tier Limit | Security Features | Best For | | :--- | :--- | :--- | :--- | | | Up to 2.5GB | End-to-end encryption (E2EE), expiring links | Quick, anonymous CAD file sharing. | | Tresorit Send | Up to 5GB | Zero-knowledge (provider cannot read data) | High-security architectural plans. | | Internxt Send | Up to 5GB | Open-source, encrypted, no logs | Privacy-focused firms. | | Wormhole.app | Up to 10GB (P2P) | End-to-end encrypted, peer-to-peer | Real-time transfer without storing on a server. | | Mega.nz | 20GB storage (free account) | Client-side encryption (RSA/AES) | Long-term collaboration storage, not just transfer. | | | Internxt Send | Up to 5GB
Before uploading to any service, use a tool like WinRAR or 7-Zip to encrypt your .rar file with a strong password. Send the password via a separate communication channel (like a text message). | Before uploading to any service, use a
on its free plan, though transfers over 2 GB may be queued during peak times. WeTransfer | Before uploading to any service