Finding the right free file sharing site can be overwhelming. Dozens of services claim to be the best, but they vary dramatically in limits, security, and usability. We've tested the most popular options to help you choose the right one.
Quick Comparison
| Service | Free Limit | Retention | E2E Encryption | Ads |
|---|---|---|---|---|
| Download.fyi | Unlimited | Active session | Yes | No |
| SwissTransfer | 50 GB | 30 days | Yes | No |
| Send Anywhere | 10 GB | 48 hours | Yes | Yes |
| WeTransfer | 2 GB | 7 days | No | Yes |
| Smash | No limit | 14 days | No | Yes |
| Filemail | 5 GB | 7 days | No | Yes |
| Tresorit Send | 5 GB | 7 days | Yes | No |
| TransferNow | 5 GB | 7 days | No | Yes |
| Wormhole | 10 GB | 24 hours | Yes | No |
| pCloud Transfer | 5 GB | 7 days | No | No |
Now let's look at each service in detail.
1. Download.fyi
Best for: Large files, privacy-conscious users, instant transfers
Download.fyi takes a fundamentally different approach using peer-to-peer technology. Files transfer directly between devices without touching servers.
Key Features
- No file size limits whatsoever
- End-to-end AES-256-GCM encryption
- No account required
- No ads
- Files never stored on third-party servers
- Password protection available
Limitations
- Both sender and recipient must be online simultaneously
- Sender must keep browser tab open during transfer
Ideal Use Cases
- Sending video projects (10GB+)
- Transferring sensitive documents
- Quick sharing when both parties are available
- Privacy-focused transfers
Verdict
The best option when file size or privacy matters. The requirement for simultaneous connection is the only real downside, but for many use cases, it's not an issue.
2. SwissTransfer
Best for: Large files with delayed downloads
Created by Infomaniak, a Swiss hosting company, SwissTransfer offers impressive free limits with Swiss privacy protection.
Key Features
- 50GB per transfer
- 30-day link validity
- Password protection
- No account required
- Swiss data protection laws apply
- End-to-end encryption option
Limitations
- Download speeds can vary
- Less well-known, may concern some recipients
Ideal Use Cases
- Large files when recipient may download later
- Privacy-conscious users who need server storage
- International transfers (Swiss neutrality)
Verdict
Excellent balance of features. The 50GB limit and 30-day retention beat most competitors handily.
3. Send Anywhere
Best for: Cross-platform sharing, mobile users
Send Anywhere focuses on seamless transfers across all devices with both direct and cloud options.
Key Features
- 10GB limit for direct transfers
- 6-digit key for quick sharing
- Apps for every major platform
- QR code sharing option
- Browser-based option available
Limitations
- 48-hour expiration for direct transfers
- Ads in free version
- Best experience requires app installation
Ideal Use Cases
- Phone-to-phone transfers
- Cross-platform sharing (Mac to Windows, etc.)
- Quick transfers using 6-digit code
Verdict
Best choice for mobile users or those frequently transferring between different device types.
4. WeTransfer
Best for: Simple, familiar interface
The original easy file sharing service. WeTransfer popularized drag-and-drop file transfers.
Key Features
- Clean, simple interface
- Email notification when downloaded
- Well-known and trusted by recipients
Limitations
- Only 2GB free (reduced from 3GB)
- 7-day expiration
- Ads on download pages
- No end-to-end encryption on free tier
- Account required for some features
Ideal Use Cases
- Small file transfers
- Recipients familiar with WeTransfer
- When simplicity matters most
Verdict
Still useful for small files, but free tier limitations have made alternatives more attractive.
5. Smash
Best for: Unlimited file sizes with server storage
French startup Smash promises no file size limits while using server storage.
Key Features
- No stated file size limit
- Custom branding options
- Availability preview (see when files are available)
- No account required
Limitations
- 14-day retention on free tier
- Ads displayed
- No end-to-end encryption
- Large uploads can take significant time
Ideal Use Cases
- Very large files when both parties can't be online together
- Creative professionals sharing project files
- When you need server storage without size limits
Verdict
Good option when you need unlimited sizes with server storage, though transfers are slower and less private than P2P.
6. Filemail
Best for: Business users, email-integrated sharing
Filemail combines file transfer with email delivery, sending files directly to recipient inboxes.
Key Features
- 5GB free limit
- Email delivery option
- Desktop apps available
- Outlook plugin
Limitations
- 7-day retention
- Ads on download page
- No E2E encryption on free tier
Ideal Use Cases
- Business email workflows
- Users who want files delivered to inbox
- Integration with existing email
Verdict
Solid choice for email-centric workflows, though limits are modest.
7. Tresorit Send
Best for: Security-conscious business users
From the enterprise security company Tresorit, their Send service focuses on secure transfers.
Key Features
- End-to-end encryption
- Download tracking
- Access logs
- Password protection
Limitations
- 5GB limit
- 7-day expiration
- Account required
- Business-oriented interface
Ideal Use Cases
- Confidential business documents
- Regulated industries (legal, healthcare)
- When you need transfer tracking
Verdict
Best option when compliance and tracking matter more than file size.
8. TransferNow
Best for: Simple transfers with decent limits
European service offering straightforward file transfers.
Key Features
- 5GB per transfer
- Email notification
- Simple interface
- No account required for basic transfers
Limitations
- 7-day retention
- Ads displayed
- No E2E encryption
Ideal Use Cases
- Everyday file sharing
- European users (EU data storage)
- Simple, no-frills transfers
Verdict
Reliable middle-ground option without standout features.
9. Wormhole
Best for: Privacy-focused quick transfers
Open-source file sharing with a focus on simplicity and privacy.
Key Features
- End-to-end encryption
- 10GB limit
- Simple, clean interface
- Open source code
Limitations
- 24-hour expiration
- Relatively unknown
- Limited features
Ideal Use Cases
- Quick, encrypted transfers
- Open source advocates
- When you want simplicity with security
Verdict
Good minimalist option for privacy-conscious users who don't need long retention.
10. pCloud Transfer
Best for: Users already on pCloud
From the cloud storage provider pCloud, a dedicated transfer tool.
Key Features
- 5GB per transfer
- 7-day retention
- Clean interface
- No ads
Limitations
- Ties into pCloud ecosystem
- No E2E encryption on transfers
- Limited features compared to main service
Ideal Use Cases
- Existing pCloud users
- When you want ad-free experience
- Simple transfers without security requirements
Verdict
Decent option, especially if you already use pCloud for storage.
How to Choose the Right Service
Consider Your Primary Use Case
Large files (10GB+)
- Download.fyi (no limits, both parties online)
- SwissTransfer (50GB, server storage)
- Smash (unlimited, server storage)
Privacy/security priority
- Download.fyi (P2P, E2E encrypted)
- Tresorit Send (E2E, compliance-ready)
- Wormhole (E2E, open source)
Recipient may download later
- SwissTransfer (30-day retention)
- Smash (14-day retention)
- WeTransfer, Filemail (7-day retention)
Mobile/cross-platform
- Send Anywhere (all platforms)
- Download.fyi (browser-based)
Questions to Ask
- How large are your files? Eliminates many options immediately
- Does the recipient need to download immediately? Determines if P2P works
- How sensitive is the content? Dictates encryption requirements
- Does your recipient trust the service? Unknown services may cause hesitation
- Do you need tracking/confirmation? Some services offer download notifications
Security Comparison
Not all "secure" claims are equal:
True End-to-End Encryption
Files encrypted on your device, decrypted only by recipient:
- Download.fyi
- Tresorit Send
- Wormhole
- SwissTransfer (when enabled)
Encryption in Transit Only
Protected during transfer, but service can access files:
- WeTransfer
- Smash
- Filemail
- TransferNow
- pCloud Transfer
Why It Matters
With encryption in transit only:
- Service employees could potentially access files
- Server breaches expose unencrypted files
- Legal requests can compel access
- Your files may be scanned for various purposes
The Verdict
There's no single "best" service - it depends on your needs:
- Download.fyi wins for large files, privacy, and no limits
- SwissTransfer wins for generous server-based storage
- Send Anywhere wins for cross-platform mobile use
- Tresorit Send wins for business compliance needs
- WeTransfer wins for familiarity and simplicity
For most users, keeping Download.fyi bookmarked for large/sensitive files and SwissTransfer for when recipients need delayed access covers nearly every scenario.
The best free file sharing sites have gotten remarkably capable. You no longer need to pay for features that matter - size limits, encryption, and convenience are available at no cost.