Top 17 Harken Chrome Extension Alternatives in 2026

Flashcard Maker – KardsAI transforms PDFs, slides, documents, images, and free‑text into instant, multi‑language flashcards. It offers quizzes, spaced‑repetition, progress tracking, offline access, and voice‑enabled tests for mobile and desktop study.

Memozora is a browser‑based flashcard maker that uses spaced repetition to improve retention. Users create custom decks, choose quiz styles, and use built‑in multilingual dictionaries with AI text‑to‑speech for pronunciation. It supports CSV import/export and cross‑device study.

StudyCards lets users build custom flashcard decks with AI help, supporting multiple languages, swipe review, repeat listening, and TTS. Import/export CSVs, study on Apple Watch or Android Wear, share decks, and generate content via ChatGPT Wizard.

Revisely uses AI to produce flashcards, quizzes, notes, and video summaries for students, teachers, and professionals. It auto‑generates spaced‑repetition flashcards, graded multiple‑choice and short‑answer quizzes, and concise summaries of PDFs, slides, and transcripts.

AnkiDecks automatically turns PDFs, PowerPoints, Word files, ePub, and YouTube videos into Anki flashcards in seconds. Supporting 50+ languages, it creates various card types, exports directly to Anki Desktop or Android, and offers in‑browser reviewing with FSRS scheduling.

Generate AI flashcards from notes or slides in seconds, add concise explanations, audio, and active recall games. Mobile‑friendly, organize into folders, mark favorites, import/export decks for students and educators, streamlining review and retention for learners.

Upload slides, notes, or recordings (≤50 MB) and AI creates 80–100 flashcards per 500 words. Pick Basic, Cloze, or Image‑Occlusion cards, set difficulty, support 20+ languages, and export decks to Anki.

Keepmind is an AI tool that creates personalized flashcards and quizzes using spaced repetition for effective learning. It extracts key points, generates mind maps, and aids exam preparation by organizing essential vocabulary and concepts for efficient study.

Upload PDFs, documents, presentations, images, audio, or video to automatically generate spaced‑repetition flashcards. AI extracts key points; cards can be edited, shared, and collaborated on. An iOS app allows on‑the‑go study and knowledge organization.

Studygenie turns uploaded lecture slides, textbooks, or handwritten notes into targeted learning assets—quizzes, spaced‑repetition flashcards, mock tests, audio summaries, and a document‑based conversational tutor—enabling efficient, self‑paced exam preparation aligned with course outlines for students.

Slay School is an AI study tool that converts notes and lectures into interactive flashcards and quizzes, utilizing spaced repetition for improved retention. It supports various formats, allowing for customized study sessions across multiple devices.

Cramd is an AI-powered learning platform that creates customizable flashcards from study materials using AI analysis. It enhances retention with spaced repetition, active recall, and progress tracking while supporting mind mapping and the Feynman technique.

Syncstudy is an AI study tool that enhances learning through active recall, generating quizzes and flashcards from study materials. It utilizes spaced repetition, tracks progress, and provides insights to help users identify knowledge gaps.

Flexi auto‑generates flashcards from any text, adding translations, definitions, and examples, and uses spaced repetition to schedule reviews. It offers on‑the‑fly note‑taking, text‑to‑speech pronunciation, streak tracking, and customization for learners.

Memgrain converts notes, PDFs, and web pages into AI‑generated flashcards with explanations and spaced‑repetition schedules, auto‑creates quizzes, grades them instantly, and provides a memorization guide to track progress, enhancing retention for students and lifelong learners.

Harken AI tool helps you rediscover lost songs on Spotify playlists, view past week's favorites, and receive daily playlist updates. Enhance your music experience by effortlessly managing and tracking your Spotify collection with Harken.

Flashlab is an AI tool that enhances studying with customizable flashcards, spaced repetition, and gamified quizzes. It allows users to create study decks from PDFs and YouTube videos, promoting effective knowledge retention and tracking progress.