Features built for private, effortless calls

Everything you need for secure, no-hassle communication — nothing you don’t.

Private by design

Peer-to-peer by default, no ads, and no profiling of calls or messages.

  • Encrypted WebRTC sessions (DTLS + SRTP)
  • HTTPS + permissions only when needed
  • No call recording or media storage
No installs. No required accounts.

Click a link and you’re in — on desktop or mobile. Create an account only if you want Phone Mode and saved contacts.

  • Works in modern browsers
  • Share a single secure link
  • Join in seconds
Schedule capsules

Plan ahead with a date & time, then share the link. Participants simply join when it’s live.

  • One link per capsule
  • Time-boxed sessions
  • Great for clients, family, and teams
Screen share

Show what matters instantly — walkthroughs, demos, or quick fixes.

  • Share tab, window, or entire screen
  • Adaptive quality for slower networks
  • Low-latency streaming
P2P file transfer

Send files directly device-to-device — no cloud, no middleman.

  • Encrypted in transit (WebRTC)
  • No server-side file storage
  • Drag & drop simplicity
Fast & reliable

Optimized for real-time communication, even on spotty connections.

  • Low latency media
  • Automatic bitrate adaptation
  • Lightweight footprint
Phone Mode

Use Capsulinker instantly without registration — or create an account to unlock Phone Mode: an address-book style interface where you can save contacts and connect with one tap, just like a phone dialer.

Encrypted WebRTC No Required Account No Ads / No Profiling No Media Storage