Write today, deliver in a year: letters with a set due date.
There's one type of message that WhatsApp doesn't know how to send: the kind that's only meant to arrive a year from now. A letter written today for yourself to open on your next birthday, a note for a child to read when they turn 18, a declaration scheduled to drop exactly at midnight on the right date.
This exists, it's free on most services, and it takes five minutes to set up. What changes everything is understanding what happens to your card during the interval. — because writing is the easy part; making sure it gets through is where almost everyone slips up.
You choose the delivery date.
It could be tomorrow, on the person's birthday, or in ten years. The service saves the message and sends it automatically at the scheduled time.
A letter to yourself
This is the most popular use of the format. You write to who you will be a year from now, and you receive a photograph of who you were today.
Chosen recipient, not random.
Unlike anonymous messages sent via link, here you define exactly who receives them. This completely changes the risk involved.
The blind spot: the service needs to exist up front.
A letter scheduled for ten years depends on the company remaining in business. That's the only real risk of the format—and it can be overcome.
Why a dated letter works so well
Because it reverses the logic of instant messaging. Everything we send today is designed to be read in seconds and forgotten in minutes. A dated letter is written knowing it will be read by someone else—even if that person is yourself, a year older than you.
This changes what is written. No one programs a letter to say "hi, how are you?". The distance in time forces one to say something worthwhile, and that is precisely where the value of the format lies.
Where this format shines
Dates you don't want to forget
Write calmly now, and the message will arrive at the exact moment, without depending on you remembering on that day.
Letters that span childhood
A note written today for a child to open when they turn 18 is one of the most beautiful uses, and the one that requires the most care regarding its durability.
A record of who you were.
Reading what you wrote a year ago is the most honest portrait of your progress there is—better than any goal-setting app.
Frequently Asked Questions
In most services, yes, for standard deadlines. Some charge for extra features like media attachments or very long deadlines.
This is the central risk of the format, and it's real. The guide shows how to mitigate it, including the simple method of keeping your own copy of the letter.
Yes, you can. You provide the recipient's contact information and the date. It's a good idea to let them know something is coming, so the message doesn't end up in spam.
No, and confusion is common. Here you choose the recipient. In the anonymous link app, anyone can write to you — different format, different precautions.
The guide to the side explains how to schedule delivery step by step, what to write to make the letter worth the wait, and three ways to ensure it arrives even many years from now.
Open the letter guide for the future.