Lexloom

What is Lexloom?

Flashcards are fine if you want to memorize "apple = Apfel" like a parrot. But if you actually want to think in a language, you need context. Full sentences & Real grammar. The messy stuff textbooks hide from you until Chapter 47.

Lexloom throws 111,111 sentences at you per language. Each one graded A1 → C2 by actual linguistic complexity. Hover over underlined words, get the dictionary form, gender, case, and up to 5 meanings. It's like having a linguist whispering in your ear, except less creepy and more free.

Languages Currently Armed

DE German The whole nightmare

FR French Because why not hate yourself

IT Italian Hand gestures not included

ES Spanish Subjunctive sold separately

PT Portuguese Brazilian edition coming never

What You Actually Get

CEFR Graded Sentences
A1 to C2. We measure sentence length, clause depth, passive voice, subjunctive mood, and vocabulary frequency. It's science. Ish.
Hover Underlined Words
See lemma, gender (♂m ♀f ⚲n), grammatical case, tense, and up to 5 English meanings. No more flipping to a dictionary like it's 1998.
Grammar Filters
Only want passive voice in subjunctive relative clauses? Weird flex, but okay. Filter by topic, grammar, sentence type, inclusions, declension, verb frame. Only shows filters your selected language actually supports.
36 Themes
18 dark, 18 light. Curated from the mechanical keyboard community because aesthetics matter when you're suffering through German cases.
17 Font Families
From JetBrains Mono to OpenDyslexic. Your eyes, your rules.
Word Styling
Underline nouns, dotted verbs, wavy adjectives. Or don't. Live your truth.
Presentation Mode
Fullscreen, no distractions. Designed for streamers, classrooms, or people who just hate their browser chrome.
Text-To-Speech
Auto-plays target language on reveal. Train your ear, not just your eyes.

The Fine Print

Sentences from TONS OF SOURCES. Dictionary data from dict.cc. Grammar analysis by spaCy. CEFR scoring by an algorithm that has opinions.

Lexloom is free. No ads, no subscriptions, no "upgrade to Pro to unlock the letter ß." I built this because I needed it and figured you might too. But your help will keep the site alive, it'll only be live up until i run out of bandwidth.

❤️ Help keep the site alive on Ko-fi

Upload CSV

Single CSV mode: Upload a merged CSV with all columns.
Required columns: language, level, english, translation, category

Space-efficient mode (4 files): Upload all 4 files at once for one language.
Files needed: sentences.csv, words.csv, sentence_words.csv, pos_index.csv

· level: A1 A2 B1 B2 C1 C2 · category: any string
· grammar: pipe-separated tags e.g. Passive|Relative Clause
· word_data: JSON array with word analysis (single CSV only)
· UTF-8 · wrap comma-containing cells in quotes

Drop CSV(s) here or click to browse
1 file = merged CSV · 4 files = space-efficient set