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

365 messages encrypted and 356 decrypted in the last 30 days. Average lock: 64 days 15 hours.

  • Encrypted · 7-day lock · opens Nov 17, 3:44 PM UTC website
  • Decrypted · unlocked Nov 8, 8:31 PM UTC website
  • Encrypted · 1-year lock · opens Nov 10, 2027, 2:55 PM UTC website
  • Encrypted · 10-day lock · opens Nov 20, 2:51 PM UTC website
  • Decrypted · unlocked Nov 10, 1:09 PM UTC website
  • Encrypted · 4-year 283-day lock · opens Aug 20, 2031, 1:00 AM UTC website
  • Encrypted · 2-day lock · opens Nov 12, 2:16 PM UTC website
  • Encrypted · 5-minute lock · opened 2 hours ago website
  • Encrypted · 1-day 6-hour lock · opens Nov 11, 7:00 PM UTC API
  • Encrypted · 5-day 2-hour lock · opens Nov 15, 3:00 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.