Check your own Polish

Write or paste a Polish text. This page holds it up against exactly the rules the site itself teaches: 76 constructions Polish does not have, 73 misspelt words and 44 false friends. Each finding comes with the page on which the rule is explained. Everything runs in your browser; the text never leaves your device.

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What it is measured against

Every rule in this checker is on one of these pages — and the same table checks this site’s own Polish when it is built. A finding without a source would be an assertion; here are the sources, even without you checking anything.

Comparison: nowszy, najnowszy, lepszy Adverbs: dobrze, szybko, ładnie The Polish alphabet Two futures: będę robić and zrobię Gdyby: conditions that are not real Travelling now or regularly: jechać and jeździć False friends Yes-no questions with czy The future with będę: będę czytać, będę czytał The imperative: czytaj, pisz, rób The dative: bratu, mamie, dziecku The genitive: dom Piotra, szklanka wody The genitive after negation: nie mam czasu The instrumental: z mamą, jestem lekarzem The locative: w domu, w Krakowie, o mamie Which case after which verb The vocative: Piotrze! Aniu! Panie doktorze! Lubię or podoba mi się: like and be pleased by Trzeba, można, warto, wolno: one must, one can The plural: domy, książki, klucze, okna do, z, od, u, bez: prepositions with the genitive w, na and do: where and where to Time phrases: w poniedziałek, za tydzień, dwa dni temu Pronouns in every case: mnie, mi, go, niego Polite address: pan, pani, państwo Same sound, different spelling: u/ó, rz/ż, h/ch To jest: “This is …” Verb forms Byli or były: the plural in the past Negation with nie and nie ma The date: siedemnastego października Numbers from nought to a thousand: jeden, dwa, pięć The case after the number: dwa koty, pięć kotów Collective numbers: dwoje dzieci, oboje Numbers for groups of men: dwaj, dwóch, pięciu The time: o ósmej, wpół do dziewiątej Żeby: wishes, requests and aims

What this checker can do — and what it cannot

It does not check your Polish. It checks 193 particular things in it. A text with no findings is not a text without mistakes: tenses, word order, articles and everything there is no rule for here are invisible to this tool. The reverse holds, though: whatever it reports is explained on a page of this site.

Three levels of certainty, and the difference matters. A mistake is a construction this site explicitly rules out — there is nothing to weigh up. A spelling is a word that sounds exactly like the right one and is written differently: ó and u, rz and ż, ch and h sound the same, and then there are the words typed without their marks on an English keyboard, such as dziekuje for dziękuję. A Polish reader understands it, but notices at once. A note is a question rather than a verdict: ewentualnie is a perfectly good Polish word — it simply means “possibly, or else”, not “eventually”, and whoever wrote it may have meant exactly that.

Aspect, iść against chodzić, word order and the gender of most nouns are left out on purpose. They are where an English speaker goes wrong most often, and none of them can be recognised from a pattern: czytałem książkę and przeczytałem książkę are both correct — “I was reading a book” and “I read the book” — and only you know which you meant. Where a pattern decides it — będę zrobić, nie mam siostrę, dwa kobiety — the checker speaks; anywhere else it would be wrong so often that nobody would believe it the next time it was right. Each has its own page; here the checker says nothing.

The word list below is information, not a mark. It shows which levels the words of your text sit at in this vocabulary. A text made entirely of words from the first level can be very good, and one full of words from the top levels very bad.