ECHO · 메아리

A digital time capsule,
sealed for video.

Seal today's feelings together with a video, and it stays locked until the day you set. To the you of six months from now, the us of a year away — words that travel across time.

Words that time will carry.

Seal for: 1 day to 5 years · 6 months by default

What is a digital time capsule?

A digital time capsule is something you seal today that can't be opened until a date you set. incove calls its version an Echo: a message left today, sealed together with a video. You can lock it from one day up to five years (six months by default), and not even the sender can open it before that day. The contents are end-to-end encrypted and unreadable to incove's servers, which only control when it is delivered — so the capsule really is shut, not just hidden behind a screen.

Choose the day it opens

From one day out to any date up to five years away — six months by default. Until that day arrives, not even you can open it early.

  • Schedule for birthdays, anniversaries, graduations
  • Sealed Echoes carry a lock icon and a wax seal
  • A cinematic unseal animation at the moment it opens

The time-lock is enforced by the server

Message contents are end-to-end encrypted on the server, which only refuses to deliver them before the set time. It controls when an Echo arrives — never what it says.

  • The server holds no content-decryption key
  • Delivery is gated purely on the unlock time
  • Manage incoming and sent Echoes in your mailbox
The moment you keep today
returns to you, one day.INCOVE · Echo
Up to 5 yrs
maximum seal length
Zero
can read it before the day
E2EE
contents stay private

FAQ

Digital time capsule — FAQ

How long can an Echo stay sealed?

From one day up to five years, with six months as the default.

Can I open a sealed Echo early?

No. Before the unlock time you set, even the sender can't open it. That's the promise of a time capsule.

What are good digital time capsule ideas?

The ones people come back to are usually small and dated: a clip on a birthday for the same day next year, a message to a child sealed until they're older, a note to yourself the week before something big, an anniversary reply to the video you sealed last year. Short and specific ages better than a long summary.

Can incove read my Echo's contents?

No. Echoes are end-to-end encrypted. The server only controls when they're delivered and never holds the key to decrypt the contents.

INCOVE · CONCEPTS

Explore more