Birthday cards for your sister

Bright, playful cards for the sister who knows all your secrets. Add her name, a memory only the two of you share, and a sticker or two before you download it.

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    Confetti Pop for Sister

    Pastel confetti bursts around a playful greeting made for celebrating your sister.

    Personnaliser

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    Sparkle Hearts for Sister

    Pink and lilac hearts with gold sparkles float around a soft white panel for your sister.

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    Retro Sunburst for Sister

    A groovy seventies sunset with pink and orange rays rising behind a bold greeting for your sister.

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    Birthday for Sister

    Two potted flowers growing side by side, with a little heart between them, for sisters who grew up together.

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    Y2K Sparkle Sister

    Chunky sparkles and a bubblegum blob on a lilac-to-silver gradient, straight out of a 2000s playlist.

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    Twin Blooms for Sister

    Two overlapping organic shapes in peach and lilac, each with a little daisy, for sisters who grew up side by side.

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    Checker Pop for Sister

    A pastel checkerboard melts into a wavy edge under a big lilac heart and bold pink lettering.

    Personnaliser

What to write in a birthday card for your sister

Lean on what only the two of you share: a childhood memory, a running joke or the thing she always does for you. Sisters often enjoy a mix of teasing and sincerity, so a playful line followed by one honest compliment works well in a short birthday message.

Sample messages to copy

Use one as it is, or start from it and add a detail only you would know.

  • Happy birthday to my sister, my first best friend and the keeper of all my secrets.

  • We fought over the front seat for years, and I would still give it to you today. Happy birthday, sis.

  • Happy birthday, sis! Thanks for always taking my side, even when I was wrong.

  • Growing up with you was the best part of growing up. Have the happiest birthday.

  • Sister by chance, friend by choice. Happy birthday to someone I am lucky to have.

  • Happy birthday to the only person who laughs at my jokes and tells me when there is food in my teeth.

Questions about birthday cards for your sister

Can I put her name in a big, decorative font?

Yes. Tap the name to edit it, then choose a script, serif or bold display font and make it as large as the card allows.

Can I add stickers to a sister card?

Yes. Open the Elements panel to add stickers and shapes, then move, resize or rotate them anywhere on the card.

What if my sister lives far away?

Download the card as a PNG and send it by message or email. It arrives instantly and looks sharp on a phone screen.