AnyTool
Your files never leave your device. All processing happens locally in your browser.

How do I make flashcards and study them online for free?

Open AnyTool Flashcard Maker, create a deck and add cards by typing a front (term/question) and back (definition/answer), or paste a whole list and bulk-import it — split on a comma, tab, dash or colon. Then press Study to flip through a big 3-D card: tap to reveal the back and mark Got it or Missed. A simple Leitner box system brings cards you miss back sooner. You can keep multiple decks, print cut-out cards, and export a deck as JSON. Everything runs in your browser — your decks are saved only in this browser and nothing is uploaded.

  • Create decks; add, edit, delete or bulk-import term/definition cards
  • Study with a CSS 3-D flip card — tap to flip, mark Got it / Missed
  • Leitner boxes 1–5: missed cards return sooner, known cards move up
  • Print cut-out cards (fronts page + mirrored backs) and export decks as JSON
  • 100% in your browser · decks saved only in localStorage · nothing uploaded

What is

Flashcard Maker

A flashcard maker is a tool for building decks of two-sided study cards — a front holding a term, question or prompt and a back holding the definition or answer — and then reviewing them by flipping each card to test recall. Better flashcard tools add spaced repetition, such as the Leitner box system, which shows cards you answer incorrectly more often and well-known cards less often, and a print mode that lays the cards out for cutting into physical flashcards.

Generators

Related terms

FlashcardsStudy cardsSpaced repetitionLeitner systemFlip cardActive recall

Frequently Asked Questions

Every card sits in one of five boxes. Mark a card Got it and it moves up a box and is shown less often; mark it Missed and it drops to box 1 and comes back sooner.

The Leitner system groups flashcards into numbered boxes — here, boxes 1 to 5. New cards start in box 1. When you study, you flip a card and self-grade: marking it Got it promotes the card one box toward box 5 (mastered), so it appears less often, while marking it Missed sends it straight back to box 1, so it returns sooner and is practised more. The study queue is weighted toward the lower boxes, so the material you find hardest gets the most repetition. It is a lightweight, transparent schedule rather than a full day-by-day SRS algorithm.

They are completely private. Every deck, card and box is saved only in this browser’s localStorage and is never uploaded, logged or tracked.

Flashcard Maker is 100% client-side. Creating decks, importing cards, the flip animation, the Leitner boxes, the print sheet and the JSON export all run in your browser with no server call and no CDN. Your decks are stored only in this browser’s localStorage on this device, so they persist between visits but never leave your machine. Because there is no cloud sync, clearing your browser data removes your decks — use Export JSON to keep a backup or move a deck to another device.

Yes. Paste one card per line into the bulk-import box and choose the separator — comma, tab, dash or colon — and every line becomes a front/back card.

The bulk importer parses pasted text one line at a time. Pick the separator that matches your data — a comma (term, definition), a tab (handy for spreadsheet copy-paste or CSV), a spaced dash (term - definition) or a colon (term: definition) — and the tool splits each line into the front and back of a card and shows a live count before you add them. This makes it easy to turn vocabulary lists, study notes or a spreadsheet column into a full deck in seconds, all without uploading the file anywhere.

Yes. Print produces a fronts page and a mirrored backs page so that, printed double-sided, each back lines up behind its front for cutting into physical cards.

The Print cut-out cards option opens a clean print sheet with the card fronts in a grid on the first page and the card backs on a second page. The backs are laid out in mirrored row order so that when you print double-sided (flipping on the short edge) each answer lands directly behind its question. Dashed cut lines mark where to trim. Everything is generated in your browser, so you can make physical flashcards from any deck without sending your content to a server.

Detailed Explanation

Methodology

How the Flashcard Maker Works

AnyTool Flashcard Maker builds and studies decks of two-sided cards entirely in the browser. A card has a front (term or question) and a back (definition or answer); cards are added one at a time or bulk-imported by pasting one card per line and choosing a separator — comma, tab, dash or colon — which the parser splits into front and back. Multiple decks can be created, renamed, switched and deleted, and every change is auto-saved to localStorage. Study mode shows a CSS-3D flip card that turns on tap to reveal the back, and the learner self-grades each card as Got it or Missed.

  • Cards model a front/back pair plus a Leitner box (1–5) and last-seen time
  • Bulk import splits pasted lines on comma, tab, dash or colon
  • Study uses a real CSS rotateY flip card, tap to reveal the back
  • Multiple decks, each auto-saved to the browser’s localStorage
  • All deck building, study and scoring is client-side JavaScript — no server
How It Works

Leitner Spaced Repetition

Review scheduling uses the Leitner system, a spaced-repetition method with five boxes. Every card starts in box 1; marking it Got it promotes it one box toward box 5 (mastered) so it is shown less often, while marking it Missed demotes it back to box 1 so it returns sooner. Each study session builds its queue by weighting cards by box — a card in box 1 is given more copies than one in box 5 — then shuffles that weighted list with a crypto-secure Fisher–Yates shuffle and de-duplicates it, so weaker cards appear earlier and more often. An overall mastery percentage and a per-box count show what to study next.

  • Five Leitner boxes from new (1) to mastered (5)
  • Got it promotes a card one box; Missed resets it to box 1
  • Session queue is box-weighted then crypto-shuffled (Web Crypto, never Math.random)
  • Mastery percentage is a weighted average of every card’s box
  • A lightweight, transparent schedule — not a day-timed SM-2/FSRS algorithm
Privacy & Security

Printing, Export and Privacy

Because every feature runs in the browser, decks and study progress never reach a server, there is no account or tracking, and the page works offline after first load. The Print option opens a cut-out sheet with the card fronts in a grid and a second page of backs laid out in mirrored row order, so printing double-sided (flipping on the short edge) lands each answer behind its question for trimming into physical cards. Any deck can be exported as a JSON file for backup, sharing or moving to another device, and re-imported later — keeping the data fully under the learner’s control.

Flashcards: in-browser (AnyTool) vs typical online flashcard apps
CapabilityAnyToolTypical flashcard apps
Deck storageIn your browser (localStorage)Synced to a cloud account
PrivacyDecks never leave the deviceCards stored on a server
Spaced repetitionLeitner boxes, built in & freeOften paywalled or premium-only
Study flip cardCSS 3-D flip, tap to revealUsually flip on free tier
Bulk importComma / tab / dash / colon pasteCSV import, sometimes gated
Print cut-out cardsFronts + mirrored backs pageOften premium or unavailable
Export / importDeck JSON, freeOften gated or account-bound
Works offlineYes (PWA)Usually needs an account/login
Cost / signupFree, no signupOften freemium with ads

Cloud flashcard apps store decks on their servers and often reserve spaced repetition and printing for paid tiers; AnyTool keeps every deck in your browser, includes Leitner review and cut-out printing for free, and uploads nothing.