Transfer.zip
Self-hostable file sharing with stored and peer-to-peer transfers
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Transfer.zip is an open-source file-sharing solution that can be self-hosted for reliable file delivery and simple sharing workflows. It supports both stored, resumable uploads as well as real-time, end-to-end encrypted peer-to-peer transfers in the browser.
Key Features
- Resumable and reliable uploads using the tus protocol
- Stored transfers with expiry and automatic deletion
- Optional storage backends: local disk or S3-compatible object storage
- Quick Transfers: browser-based peer-to-peer file sending via WebRTC with end-to-end encryption (AES-GCM)
- Transfer requests to collect files from others via shareable upload links
- Send transfers to recipients via email
- Basic customization/branding for transfer pages and emails (with current S3 requirement)
Use Cases
- Self-hosted alternative to WeTransfer-style “upload then share a link” workflows
- Peer-to-peer sharing for sensitive files without server-side storage
- Collecting files from clients or teammates using upload-request links
Limitations and Considerations
- Quick Transfers require both parties to be online at the same time
- Some browsers/devices may have issues with Quick Transfers (notably Safari and Firefox mobile)
- Peer-to-peer connectivity can be impacted by restrictive networks; relaying may be used in some cases
Transfer.zip is a solid choice for teams and individuals who want a privacy-conscious file sharing service with both scalable stored uploads and encrypted real-time transfers. Its modern web stack and storage flexibility make it suitable for personal servers and larger deployments alike.
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