Popular
Birthday
A message that unlocks on the day itself.
Private digital surprises with a future opening time
Create a surprise that stays locked until the moment is right.
Write a message, choose when it can be opened and add photos or video if you want. ChronoBoxes is free to use—no subscription and no checkout.
🔒 No account🎁 Private link📅 Scheduled opening
For that day“Open this on your birthday”
⏱ChronoBox
Tap it ✨
Included free6 photos + video
One idea, many moments
Do not just send a message. Give someone the moment of discovering it.
Start with a template or explore a guide for the occasion.
Romantic
Partner
Memories, photos and a timed surprise.
Memory
For your children
Capture something from today to reopen later.
Memory
Weddings
A memory box to open later.
Team
Farewells
Messages from the whole team in one box.
Game
Adventures
Keys, clues and a final reward.
More inspiration
Looking for a specific occasion?
Explore focused guides for time capsules, birthdays, couples, weddings, teams and online surprises.
Create a digital time capsule that opens laterWrite a future-self letter you will actually want to readCreate a timed digital gift for your partnerCreate an anniversary gift from your shared storyCreate a digital birthday gift that opens on the daySend a long-distance birthday surprise at the right momentCreate an 18th birthday gift from memories and messagesCreate a wedding time capsule for a six-month revealCreate a personal First Communion digital giftCollect coworker farewell messages in one private revealCreate a retirement gift from team memoriesBuild a romantic treasure hunt from shared memories
Explore all guidesChronoBoxes Tools
Useful ways to calculate the moments that matter.
Free date and time tools that run in your browser. Work out a future age, count down to a date or visualize a family milestone—then turn that date into a ChronoBox if you want.
Free to create
One ChronoBox. All core features included. €0.
No subscription, no checkout and no feature locked behind a payment.
Everything included
ChronoBoxes
Free€0to create
- Message and opening date
- Up to 6 photos
- 1 video up to 20 MB
- Secret question and optional location gate
- Private link + management and deletion for server-stored media
- Adventure, collaborative and Secret Santa modes
- Opening date up to 6 months for boxes with uploaded media
Optional support
Ko-fi☕
Help keep ChronoBoxes free
Tips are entirely optional. Supporting the project does not unlock features, change storage limits or affect your ChronoBox.
Support ChronoBoxesChronoBoxes is currently free to use. Normal ChronoBoxes can be scheduled to open up to 6 months from creation. Server-stored media may remain available for up to 90 days after opening.
Create your surprise
Your ChronoBox starts here
Choose the experience type. The normal box includes photos and video for free.
Key adventure
Create a treasure with several digital keys that must be solved before the final message appears.
Three steps
Creating the surprise can take less time than choosing the gift.
1
Write
Message, date and an optional challenge.
2
Personalize
Add up to 6 photos and 1 video for free.
3
Share
Send the link. It opens when the configured moment arrives.