Send a message into the future

Write a message and pick a time. Your browser encrypts it. Nobody can read it before that time, not even you or us. After that, anyone with the encrypted text can read it.

Encrypt a message Have an encrypted message? Decrypt it below

Encrypt a message

Runs in your browser
When can it be opened?
Plain notes above the encrypted block

Notes aren't encrypted, and anyone can edit them. Other tools need only the BEGIN…END block. About notes

Your message is encrypted on this page and is not sent to us.

Decrypt a message

Works after the unlock time

Paste the whole thing. Notes above or below the block are fine; the site reads only the block.

Your browser downloads the public drand key for that round. The message stays on this page.

Recent activity

230 messages encrypted and 213 decrypted in the last 30 days. Average lock: 66 days 14 hours.

  • Encrypted · 19-hour 11-minute lock · opens Nov 4, 11:30 PM UTC website
  • Decrypted · unlocked Nov 3, 11:30 PM UTC website
  • Decrypted · unlocked Oct 24, 2:31 PM UTC website
  • Encrypted · 7-day lock · opens Nov 11, 1:16 AM UTC website
  • Decrypted · unlocked Oct 27, 9:04 AM UTC website
  • Encrypted · 5-minute lock · opened 3 hours ago website
  • Decrypted · unlocked Sep 20, 10:00 PM UTC website
  • Encrypted · 7-hour 59-minute lock · opens Nov 4, 8:00 AM UTC API
  • Encrypted · 17-hour 30-minute lock · opens Nov 4, 5:06 PM UTC website
  • Encrypted · 58-day 13-hour lock · opens Jan 1, 2027, 12:00 PM UTC website
Each row is one encryption or decryption. We record the type, the time and the unlock round. Never the message.

We never store your message. For higher security, encrypt offline.