Move large files without friction
Send gigabytes or terabytes without caps. Auto‑resumes if a connection drops and compresses when it helps.
Move anything
Between everything
Send folders, photos, and multi‑gig archives across phones, laptops, TVs, and servers. End‑to‑end encrypted, resumable, no size limits.
0%Platform Coverage
Efficiency is key. Built to make your life easy.
Watch Zynk in action
See how easy data transfer can be
Why Zynk
We built Zynk after too many late nights babysitting transfers. It connects devices directly for speed and privacy, falls back to encrypted Cloud Relay when needed, resumes automatically, and never caps size—so you can just send and move on.
Guiding principles
Six core values that drive everything we build at Zynk. These principles ensure every feature serves your needs first.
Effortless by design
No setup marathons. Send it, see progress, done.
No limits
No caps on size or file counts. Bring the terabytes
Reliability is a given
Transfers auto‑resume. Networks can drop; your progress won’t.
Built for speed
Efficient, fast, and resource-savvy.
Truly universal
Works everywhere: Mac, Windows, Linux, iOS, Android, FreeBSD, Android TV, Steam Deck, Raspberry Pi.
Safety & security first
End‑to‑end encryption and zero‑knowledge by design.
Covers all your needs
Use the UI for everyday moves. Use the CLI for automation and scale.
Keep devices in sync
Move folders between laptops, phones, TVs, and servers. Same simple flow on every platform.
Share with anyone
Share a Web Drop link to let people download in a browser. Or request files with an upload link. Control access and expiration.
UI extras you’ll love
Three small touches that make sharing with Zynk feel effortless.
Built‑in chat with voice messages
Preview images and videos in‑app
Download manager to browse received files
Choose your interface
Powerful UI for everyday use, or CLI for automation and scripting.
Send file
document.pdf2.3 MB
65% complete
1.2 MB/s
Drag & drop
Pause/Resume
Security first
Your files are yours. Zynk is built with end‑to‑end encryption, zero‑knowledge architecture, and clear controls.
No ads. No selling data. Peer‑to‑peer by default.
End‑to‑end encryption
Encrypted in transit and at rest with modern, proven safeguards.
Zero‑knowledge architecture
We never have access to your data. Only you hold the keys to your files.
Transparent permissions
Know what's accessed and when, with toggles that stick.
Take the fast route
Download and try Zynk today