FileShot vs Sync.com: Zero-Knowledge File Sharing Compared
— Written by Brendan, Founder of FileShot.io
Quick Comparison
| Feature | Sync.com | FileShot |
|---|---|---|
| Zero-Knowledge Encryption | Yes (AES-256) | Yes (AES-256-GCM client-side) |
| Free Storage | 5 GB | 50 GB (10 GB per file) |
| Account Required | Yes | No |
| Primary Focus | Cloud storage & sync | File sharing & privacy tools |
| Headquarters | Toronto, Canada | United States |
| Password Protection (Free) | Limited | Yes |
| Expiration Control (Free) | No | 1 day to unlimited |
| Built-in Tools | Office doc viewer | PDF editor, converter, compressor, metadata scrubber, virus scanner, and more |
| Desktop App | Yes (sync client) | Yes (Windows, macOS, Linux) |
| P2P Transfer | No | Yes (WebRTC) |
| Encrypted Chat | No | Yes |
| Paid Plan Starting Price | $8/mo (2 TB) | $2/mo (Lite), $5/mo (Pro), $12/mo (Creator) |
Two Zero-Knowledge Providers, Different Goals
Sync.com and FileShot both implement zero-knowledge encryption, meaning neither provider can access your files. That puts both services in a fundamentally stronger privacy position than mainstream alternatives like Google Drive or Dropbox. But the two platforms serve different use cases.
Sync.com is a Canadian cloud storage and file synchronization service. It launched in 2011 and positions itself as a Dropbox replacement with privacy. You install a sync client on your computer, and your files are continuously backed up and synchronized across devices. The emphasis is on persistent cloud storage with folder-level sync.
FileShot is a file sharing platform built around zero-knowledge encryption. Files are encrypted in the browser with AES-256-GCM before upload, and the decryption key lives only in the URL fragment — the server never sees it. The emphasis is on secure sharing: send a file, get a link, the recipient downloads it. No sync client needed, no account required.
Free Tier
Sync.com offers 5 GB of free encrypted cloud storage, which requires creating an account with an email address. FileShot offers generous free storage (50 GB total, 10 GB per file) with no account required. You can share files of any size, set custom expiration (1 day to unlimited), and use password protection — all without signing up. For occasional file sharing, FileShot's no-signup model removes all friction.
Encryption Approach
Both services encrypt files client-side. Sync.com uses AES-256 encryption with keys derived on the client. FileShot uses AES-256-GCM with keys generated in the browser and embedded in the URL fragment (the part after the # that never reaches the server). Both approaches qualify as zero-knowledge. The key difference is that FileShot's model works without accounts — encryption happens in the browser for anyone, even anonymous users.
Built-in Tools and Ecosystem
Sync.com is focused on storage and sync. It offers a document viewer for Office files and basic collaboration features. FileShot provides a full suite of privacy tools: PDF editor, file converter, image compressor, metadata scrubber, archive builder, virus scanner, secure paste, and encrypted chat. FileShot also offers a Chrome browser extension, P2P file transfer via WebRTC, and a desktop app for Windows, macOS, and Linux.
Pricing
Sync.com's paid plans start at $8/month for 2 TB of storage. FileShot's paid plans start at $2/month (Lite tier), with Pro at $5/month and Creator at $12/month. If you primarily need file sharing rather than persistent cloud storage, FileShot offers substantially more value per dollar.
Who Should Choose FileShot?
If your primary need is sending files securely — sharing documents with clients, transferring project files, distributing sensitive data — FileShot's zero-knowledge sharing with no account requirement is the faster, cheaper, and more private option. If you need full cloud sync with folder mirroring across devices, Sync.com covers that use case better. For users who want both privacy and a broad set of tools without committing to monthly storage fees, FileShot's generous free tier is hard to beat.
For secure, private file sharing with zero-knowledge encryption, try FileShot free or explore our plans.