language-learning

ReMarker

AI

ReMarker is a Chrome extension for close reading and language learning. Highlight passages, get contextual word explanations from an OpenAI-compatible model, save vocabulary, and revisit highlights on the same page.

Free HSK Level Test

Education

Free HSK Level Test is a web-based Chinese proficiency quiz that uses 10 quick questions to estimate your HSK 1-6 level and show instant feedback, with no account required.

just talk english

AI

just talk english is a free AI voice chat web app for practicing spoken English with an AI conversation partner in the browser.

LingTube

AI

LingTube is a Chrome extension for translating YouTube videos with bilingual captions, speech-to-text transcription, AI dubbing, and read-aloud voice playback.

ClaviSay

AI

ClaviSay is an AI language learning assistant that turns articles, PDFs, webpages, videos, and pasted text into bilingual reading, vocabulary practice, summaries, and review.

AI Vocabulary Overlay

Developer Tools

AI Vocabulary Overlay is a JetBrains plugin that turns AI Assistant waiting time into a lightweight English learning moment with centered vocabulary cards.

YouTube Repeat & Loop

Education

A free web app for repeating YouTube videos with A-B loop points, variable speed, repetition counting, and shareable session links—no signup or extension required.