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One day, all of us
will be gone.
What remains are the memories and the things we leave with the people we love — the pieces of ourselves they can return to and cherish in our absence.
Yet today, even though we send more messages than ever before, almost none of them are designed to be kept. The most important words, wishes, and voices of the people we love disappear into endless chat threads.
Not anymore.
Introducing Petra — made for those moments when you feel:
“This deserves more
than a text.”
Petra helps you create beautiful messages for life’s most meaningful moments — messages that become cherished keepsakes, preserved in a timeless album to revisit with nostalgia for years to come.
Welcome to Petra.
No account needed — sign up later
By continuing, you agree to our Terms and Privacy Policy
Your keepsakes, arriving & arrived
Your post office is quiet today. Keepsakes will arrive here.
You haven't sent anything yet.
Sign on a piece of paper, take a photo. Your ink will be lifted onto every letter and postcard you write.
Petra v1.0 — Messages Worth Keeping
Made with love for people who treasure connections
Tap one to begin
This is what they'll receive.
Drag the sealed letter down — your wax seal goes with it.
Dear …
Drag the letter into the mailbox
Off it goes.
Choose where it lands…
Recording...
your voice is now preserved
Timeless
tap to open
Keepsakes in this collection will appear here as you send and receive them.
Never miss the people you love
Add the dates that matter — Petra helps you remember, and helps you show up.
Would you like to write something now?
Your handwriting becomes a personal style
Upload 1–3 pages of your handwriting
Your handwriting carries rhythm, spacing, and emotion. We can study it and create a personal writing style — so your postcards still feel like you.
Share 1–3 pages for best results
Page 1
Tap to upload
Page 2
Optional
Page 3
Optional
Accepts JPG, PNG, or PDF
Make sure your handwriting is clear and readable
We'll study your handwriting's spacing, rhythm, and form.
This takes a moment.
Studying letter shapes…
This may take a moment
Your personal writing style is ready
This is an interpretation of your handwriting — not an exact replica.
A postcard from
Private — only you will ever see this.
What do you want to remember about today?
What do you want to tell your future self?
Archive Letter
Par Avion
By Air Mail
TO: FUTURE SELF
FROM: PRESENT SELF
0/1000
Time Capsule
pull the tab to open
Par Avion
This is what they'll open.
A hand-bound collection of messages, photos & voice notes from everyone who loves them.
A collection of messages for
A few sincere lines mean more than many.
0/420
— if you'd like —
Tap to preview — re-record any time.
Groupsake
A soft track plays in the background — entirely optional.
Groupsake
0 messages gathered for
Tap the seal when you're ready.
Once sealed, it's final — no more messages can be added.
Sealed.
It's ready for .
Groupsake
for
slide — or tap — to open
Create one for someone you love.
In progress.
