GRE

GRE flashcards built from your own prep material

Paste a high-frequency vocab list, upload a Manhattan or Magoosh chapter PDF, or drop in your quant notes and get back a deck of GRE-style cards covering vocabulary, math concepts, and formulas. Spend your prep time recalling instead of recopying.

Try the generator See pricing →

Free to start — no credit card required.

Add your GRE material

Vocab lists, quant chapter PDFs, or your own notes — all supported.

Generate targeted cards

Deckio turns word lists into definition cards and quant chapters into concept and formula cards.

Review with spaced repetition

Drill daily inside Deckio or export to Anki for your commute review.

How to actually use it

01Build a vocabulary deck from a high-frequency list

GRE verbal lives and dies on vocabulary. Paste a high-frequency word list (Magoosh, Manhattan 500, or your own) into the notes input and Deckio generates one card per word: the word on the front, a clear definition plus an example sentence on the back. For words you keep confusing, add custom instructions like 'include a synonym and an antonym on each card' so the context sticks.

02Turn quant chapters into concept and formula cards

Upload a quant chapter PDF — arithmetic, algebra, geometry, or data analysis. Deckio pulls out the rules and formulas (exponent rules, the quadratic formula, special right triangles, probability basics) into recall cards. Cloze deletion works especially well for multi-step formulas where you need to remember each term in order.

03Edit down to what you actually miss

Generated decks are a first draft. After your first practice section, delete cards for material you already know cold and keep the ones tied to questions you missed. Ten minutes of pruning turns a generic deck into a personalized GRE review deck aimed squarely at your weak spots.

Why GRE prep rewards flashcards over rereading

The GRE verbal section tests a wide vocabulary under time pressure, and the quant section rewards instant recall of rules and formulas. Rereading a prep book does not build that speed — active recall through flashcards does. Spaced repetition is the evidence-backed way to hold hundreds of words and dozens of formulas in memory at once.

The problem is that making cards by hand for a 500-word vocab list or every quant chapter takes hours you would rather spend on practice sets. Most applicants either skip card-making and hope rereading sticks, or buy a generic premade deck that does not match the words and concepts they personally struggle with.

Deckio gives you a faster loop. Paste the list or upload the chapter, get a draft deck in under a minute, trim it to your weak areas, and review daily. You get personalized active recall without losing a weekend to transcription.

Who this is for

Vocabulary building (weeks 1-4)
Generate a deck from a high-frequency word list. Review 20-30 new cards a day and let spaced repetition cycle the rest.
Quant concept review
Upload one quant chapter at a time. Generate concept and formula cards, then drill them alongside practice problems.
Final two weeks
Build a condensed deck from the words and formulas you still miss on practice tests. Review exclusively from that deck.

What it looks like

Input

Garrulous (adj.): excessively talkative, especially about trivial matters. Synonym: loquacious. Antonym: taciturn. Example: The garrulous passenger talked for the entire flight. Laconic (adj.): using very few words; terse. Example: Her laconic reply made it clear the conversation was over.

Generated cards

Garrulous (adj.)

Excessively talkative, especially about trivial matters. Syn: loquacious. Ant: taciturn.

Laconic (adj.)

Using very few words; terse. 'Her laconic reply ended the conversation.'

What is the antonym of garrulous?

Taciturn — habitually reserved or silent.

Premade GRE decks like Magoosh's are solid but generic — you review hundreds of words you may already know. Building cards by hand is accurate but slow. Deckio sits between: paste your list or upload your chapter, get a focused deck in minutes, trim it to your weak words and concepts, and review with spaced repetition aimed at your actual gaps.

Questions

Is this good for GRE vocabulary?+

Yes — vocabulary is the single best use case. Paste any high-frequency word list and Deckio generates definition cards with example sentences. Then review with spaced repetition, which is the proven way to retain a large vocabulary.

Can it handle the quant section too?+

Yes. Upload a quant chapter PDF or paste your notes, and Deckio generates concept and formula cards for arithmetic, algebra, geometry, and data analysis. Cloze cards work well for multi-step formulas.

Can I export my GRE deck to Anki?+

Yes. Any deck exports as an .apkg file that imports straight into Anki. Export is available on Pro, Ultimate, and during the 7-day trial.

How many words can I turn into cards at once?+

Paste lists in batches — a few hundred words at a time generates cleanly. For very long lists, split them into themed batches (high-frequency, science roots, etc.) for tidier decks.

Does the free tier cover GRE prep?+

Free accounts get 100 AI credits per month — enough to try the tool. Serious vocab building usually needs Pro (1,500 credits/month) or the one-time Exam Cram pack (1,000 credits, $7) if you prefer no subscription.

Can I make cards from practice questions I missed?+

Yes. Paste the question and explanation into the notes input and Deckio turns it into cards that reinforce the underlying concept — one of the highest-yield ways to use the tool.

Start with your own notes

Upload a PDF, paste notes, or drop in a YouTube link. Get a first deck in under a minute.

Open the generator