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Show HN: Card-Snap – Generate Printable Flashcards from Any Document

Hi HN, I built Card-Snap: www.card-snap.com It’s a very simple tool where you upload a document (Word, PDF, TXT), and it generates a PDF file with printable flashcards. The idea came to me when helping my daughter study science. I realized that while there are many digital flashcard apps, it’s not easy to get physical flashcards without a lot of manual work. Card-Snap is minimal: no signup, no tracking, no ads — just upload, pick how many questions you want, and download the printable cards. I’d love your feedback! Some questions I have: Is the idea useful enough on its own? What features would you expect next (e.g., export options, better formatting, templates)? Would you prefer more control over card content? Thanks so much for taking a look!

lelia_florina 1y ago
Thanks for checking it out! I'm happy to answer any questions or hear any suggestions you have. Also curious: would you prefer a totally free version forever, or something with a few premium templates later on?
- treetalker 1y ago
  "Why I built this?" --> Either "Why I Built This" or "Why did I build this?".
  - lelia_florina 1y ago
    Good point, thank you very much.
    - lelia_florina 1y ago
      It's already in place :) Thanks again and let us know if you have other suggestions!
- treetalker 1y ago
  It would be cool to have an option to export to a PDF with a page size ready to print one card per page (for direct printing onto 3x5 or 4x6 cards, for example).
  - lelia_florina 1y ago
    Thanks a lot for the suggestion! I really like the idea of allowing direct printing onto 3x5 or 4x6 cards. Out of curiosity: do you usually print on blank index cards at home? Or would you prefer a ready-to-order printable file (like a print shop format)? Trying to understand better how you'd use it!
    - treetalker 1y ago
      As I understood, the service currently creates a PDF file in which each PDF page is standard US letter size and automatically generates flash cards 6-up for the user to cut up after printing. What I had in mind was to generate the same flash cards 1-up on index-card-sized PDF pages. Then the user can print onto blank index cards and avoid the cutting. I hope that answers your question!
      - lelia_florina 1y ago
        Thank you for the clarification! I like the idea, as it would save users the step of cutting them out. I'll definitely consider this approach for my next improvements. Appreciate your input!
atmanactive 1y ago
> What features would you expect next (e.g., export options, better formatting, templates)? I would love to be able to use this without paper at all. Ideally, the app would "create" my own personal unique random string and when I open that url I would get a flashcard shown (full-screen, no menus). When touched/clicked, the flashcard would flip. When clicked again, it would proceed to the next card, and this would be stored in cookie so, on next visit, we can continue where we left of. In this way I could dedicate a phone or a tablet, mount it on a wall or a cupboard and use it every day for flashcards. No printing, no cutting. Thanks.
- lelia_florina 1y ago
  Thanks a lot for your detailed feedback! For now, Card-Snap is focused on printable, physical flashcards because there are already many digital flashcard apps out there. That said, I can see how a super-minimal, distraction-free viewer could be useful for setups like using a dedicated tablet. Just curious — what made you want something new rather than using existing flashcard apps like Anki, Quizlet, or Brainscape? (It would be really helpful for me to understand what’s missing or frustrating in the current options.) Thanks again for taking the time to share your ideas!
  - atmanactive 1y ago
    > Just curious — what made you want something new rather than using existing flashcard apps like Anki, Quizlet, or Brainscape? I don't think any of those mentioned have the functionality I described. I could be wrong, though. Is there an app that could publish flash cards as a URL?
    - lelia_florina 1y ago
      I'll definitely look into this more. I’m intrigued by your idea. A simple, shareable flashcard viewer with zero UI clutter could actually complement the printed version. Just to make sure I understand: 1.the main need is to have a link you can prepare in advance and revisit anytime, so you can review flashcards fullscreen, one by one, from any device (like a phone or tablet)? 2. would you use it as your main way to study, or more as a casual daily reinforcement tool?
lelia_florina 1y ago
The look and feel and some new features are available in Card-Snap application since the first post. Feel free to give it a try and let us know how you like it. Thanks so much, you beautiful community!!!
- lelia_florina 1y ago
  Hey @treetalker, I cannot reply in the thread you started... The feature that you suggested to have extra options for printing the cards is in place now. I would appreciate your feedback, is it useful for you like it is now? Thank you!
lelia_florina 1y ago
Update: now supports online card viewing!

lelia_florina 1y ago

Thanks for checking it out! I'm happy to answer any questions or hear any suggestions you have. Also curious: would you prefer a totally free version forever, or something with a few premium templates later on?

treetalker 1y ago
"Why I built this?" --> Either "Why I Built This" or "Why did I build this?".
- lelia_florina 1y ago
  Good point, thank you very much.
  - lelia_florina 1y ago
    It's already in place :) Thanks again and let us know if you have other suggestions!
treetalker 1y ago
It would be cool to have an option to export to a PDF with a page size ready to print one card per page (for direct printing onto 3x5 or 4x6 cards, for example).
- lelia_florina 1y ago
  Thanks a lot for the suggestion! I really like the idea of allowing direct printing onto 3x5 or 4x6 cards. Out of curiosity: do you usually print on blank index cards at home? Or would you prefer a ready-to-order printable file (like a print shop format)? Trying to understand better how you'd use it!
  - treetalker 1y ago
    As I understood, the service currently creates a PDF file in which each PDF page is standard US letter size and automatically generates flash cards 6-up for the user to cut up after printing. What I had in mind was to generate the same flash cards 1-up on index-card-sized PDF pages. Then the user can print onto blank index cards and avoid the cutting. I hope that answers your question!
    - lelia_florina 1y ago
      Thank you for the clarification! I like the idea, as it would save users the step of cutting them out. I'll definitely consider this approach for my next improvements. Appreciate your input!

atmanactive 1y ago

> What features would you expect next (e.g., export options, better formatting, templates)? I would love to be able to use this without paper at all. Ideally, the app would "create" my own personal unique random string and when I open that url I would get a flashcard shown (full-screen, no menus). When touched/clicked, the flashcard would flip. When clicked again, it would proceed to the next card, and this would be stored in cookie so, on next visit, we can continue where we left of. In this way I could dedicate a phone or a tablet, mount it on a wall or a cupboard and use it every day for flashcards. No printing, no cutting. Thanks.

lelia_florina 1y ago
Thanks a lot for your detailed feedback! For now, Card-Snap is focused on printable, physical flashcards because there are already many digital flashcard apps out there. That said, I can see how a super-minimal, distraction-free viewer could be useful for setups like using a dedicated tablet. Just curious — what made you want something new rather than using existing flashcard apps like Anki, Quizlet, or Brainscape? (It would be really helpful for me to understand what’s missing or frustrating in the current options.) Thanks again for taking the time to share your ideas!
- atmanactive 1y ago
  > Just curious — what made you want something new rather than using existing flashcard apps like Anki, Quizlet, or Brainscape? I don't think any of those mentioned have the functionality I described. I could be wrong, though. Is there an app that could publish flash cards as a URL?
  - lelia_florina 1y ago
    I'll definitely look into this more. I’m intrigued by your idea. A simple, shareable flashcard viewer with zero UI clutter could actually complement the printed version. Just to make sure I understand: 1.the main need is to have a link you can prepare in advance and revisit anytime, so you can review flashcards fullscreen, one by one, from any device (like a phone or tablet)? 2. would you use it as your main way to study, or more as a casual daily reinforcement tool?

lelia_florina 1y ago

The look and feel and some new features are available in Card-Snap application since the first post. Feel free to give it a try and let us know how you like it. Thanks so much, you beautiful community!!!

lelia_florina 1y ago
Hey @treetalker, I cannot reply in the thread you started... The feature that you suggested to have extra options for printing the cards is in place now. I would appreciate your feedback, is it useful for you like it is now? Thank you!

lelia_florina 1y ago

Update: now supports online card viewing!