Show HN: Wordwright.ai – Learn vocabulary by writing, not memorizing

[kwakubiney]

Hi HN,

I built a Chrome extension that flips vocabulary learning on its head. Instead of flashcards where you passively recognise words, Wordwright.ai makes you actively use them.

How it works:

Add words you encounter while browsing. When it's time to review, you write sentences using the word. AI evaluates your usage — not just right/wrong, but explains nuances like collocations, tone, and common mistakes.

What makes it different:

Production over recognition — Writing forces deeper processing than "did I remember the meaning?"

AI feedback — Not just "correct/incorrect" but "this is technically right, but native speakers would say it this way instead"

Privacy option — Works with OpenRouter (cloud) or Ollama (local). Your vocabulary stays on your machine if you want

Semantic distractors — Fill-in-the-blank questions use near-synonyms, not random words. Tests whether you really understand the nuance

Spaced repetition — SM-2 algorithm. Reviews pop up as gentle reminders when you open new tabs

Built because I was frustrated with Anki for vocabulary. Knowing a definition isn't the same as being able to use a word naturally in conversation.