The free, intelligent e-reader for German PDFs and images. Features instant der / die / das color memory, compound word decomposition, full 6-tense conjugation tables, and AI-powered active recall quizzes.
Der alte in Berlin war voller Menschen. Eine kleine saß auf dem und das geschäftige .
Noun (Maskulin)
train station / railway station
ReadCall is a free, local-first German language reading assistant and grammatical inspector designed for learners from beginner (A1) to advanced (C2) levels. Unlike generic PDF viewers or subscription-locked language apps, ReadCall automatically extracts and inspects authentic German texts, visualizes grammatical noun genders (der / die / das) with subconscious color coding, breaks down long German compound nouns, and provides complete 6-person conjugation tables across 6 indicative tenses and subjunctive moods without subscription fees.
Build effortless subconscious recall with standard color memory: der (Blue), die (Red), and das (Green). Never guess noun genders again.
German is notorious for multi-word composites. ReadCall dismantles long words like Krankenversicherung or Donaudampfschifffahrt into their root morphemes, individual genders, and meanings.
One-click inspection generates comprehensive 6-person conjugation tables (Präsens, Präteritum, Perfekt, Plusquamperfekt, Futur I, Futur II) plus Adjektivdeklination across Weak, Strong, and Mixed declensions.
Instant native German speech synthesis via your browser's Web Speech API. Hear the accurate pronunciation of any word, separable verb, or full sentence with zero latency and zero data consumption.
Turn your reading into active recall: test articles and verb conjugations with Cloze fill-in-the-blank cards, or answer German reading comprehension questions with real-time AI error diagnosis.
Your books, notes, and vocabulary lists reside inside your local browser IndexedDB. Zero subscription paywalls, zero server tracking, and 1,500 free daily AI requests via Google AI Studio.
Why technical German learners choose ReadCall over traditional subscription-based tools.
| Feature | ReadCall (Free) | LingQ ($13/mo) | Generic PDF Readers |
|---|---|---|---|
| Pricing Model | 100% Free (Gemini BYOK) | $12.99 / month | Free / Paid |
| German Gender Color Coding (der/die/das) | Automatic Visual Tokens | Not Available | Not Available |
| Compound Noun Stem Decomposition | Full Morpheme Breakdown | Basic Dictionary Lookup | Not Available |
| Full 6-Tense Verb Conjugation Tables | Indikativ & Konjunktiv I/II | External dictionary link | Not Available |
| Data Privacy & Storage | 100% Local (IndexedDB) | Stored on Remote Cloud | Local |
| Offline Pronunciation (TTS) | Zero-latency Web Speech | Requires Server Connection | Varies |
Drag and drop German PDFs, Goethe exam papers, news articles, or book screenshots directly into your local bookshelf.
Highlight any word or sentence to see instant gender color tokens, compound word breakdowns, 6-tense conjugation tables, and pronunciation.
Reinforce long-term retention with spaced flashcards, Cloze tests, and German reading comprehension checks with AI error diagnosis.
Yes! ReadCall utilizes a Bring-Your-Own-Key (BYOK) architecture powered by Google AI Studio. Google provides 1,500 API calls every single day for free with no credit card required. All your books and notes are stored inside your browser, so you never pay any subscription fees.
Click the “Connect Free Key” button in the header, click the link to Google AI Studio, log in with your Google account, and click “Create API key”. Paste it into ReadCall, test it with one click, and you're ready to learn!
LingQ charges $12.99 per month and saves all reading history to remote servers. ReadCall is completely free (via Google Gemini BYOK), keeps your files 100% private in local browser IndexedDB, and offers advanced German-specific tools including automatic der/die/das color memory, compound word splitting, and complete 6-tense conjugation tables.
Absolutely. ReadCall is built local-first using IndexedDB in your browser. Your files, reading history, and saved words are saved directly to your device disk. When you look up a word, the snippet is sent directly to Google's API endpoint and is never stored on any ReadCall server.
You can upload digital PDFs (rendered instantly via PDF.js) as well as PNG and JPG images (screenshots, photo scans of textbooks). ReadCall automatically overlays interactive text layers so you can highlight any sentence or word.
Yes. Whether you search for a past participle (Partizip II like gemeint or gegangen), a preterite verb (ging), or a plural noun (Häuser), ReadCall instantly reduces it to its infinitive base lemma (meinen, gehen, das Haus) while preserving the exact inflection relationship.
Zero sign-up friction. Upload your favorite German document or explore our bilingual dictionary immediately.