All-in-one PDF toolkit with AI-powered editing | Freemium | - **98+ PDF Tools**: Edit, convert, merge, split, compress, rotate, and organize PDFs from one platform without switching apps.
- - **Format Conversion**: Convert PDFs to and from Word, Excel, PowerPoint, JPG, PNG, EPUB, and other common formats.
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Real-time AI copilot for software engineering interviews | Free tier | - **Screenshot and Prompt Parsing**: Capture a coding problem, table, or diagram and get a solution outline back. It works for LeetCode-style questions on platforms like HackerRank, CoderPad, CodeSignal, and Codility.
- - **Real-Time Voice Recognition**: GhostInterview transcribes spoken questions and surfaces hints as the conversation moves. You can trigger answers yourself in Manual mode or turn on Auto mode, which responds when the latest interviewer turn looks like a question.
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AI study toolkit for flashcards, quizzes, and answers | Free tier | - **Quiz Solver Browser Extension**: Drag a box over any question, or highlight text, to get a step-by-step solve, a summary, or a chat. It works in Chrome and Edge across Canvas, Blackboard, Moodle, Google Forms, D2L Brightspace, Schoology, Pearson MyLab, and more.
- - **AI Flashcards with Spaced Repetition**: Make decks from your own material, and cards you keep missing come back more often. You can import existing Anki and Quizlet decks.
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AI mock interviews that push back like real interviewers | Paid | - **Live AI Interviewers**: Practice in real-time sessions with an AI that interrupts, challenges, and probes your answers, so you get used to the pressure before the real interview.
- - **Follow-Up Questions**: The AI asks follow-ups and pushes back on weak answers instead of reading from a fixed question list.
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Turn any study material into AI flashcards | Free tier | - **AI Flashcard Generation**: Upload study material or paste notes, and Keepmind writes the flashcards for you. You can also create a deck from a topic through a chat-style prompt.
- - **Quizzes from Your Cards**: Each flashcard gets a matching quiz question, so you can check what you know right after you study. If a question isn't useful, you can regenerate it with one click.
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Turn lectures and meetings into notes you can study | Free tier | - **Capture from many sources**: Record live, upload MP3, WAV, M4A, AAC, or OGG audio, import PDF, DOC, or DOCX files, add public web pages or YouTube videos, or scan up to 9 images per note. Your lecture slides, recordings, and readings all go to one place.
- - **Structured AI notes**: NoteLyn turns raw input into notes with headings, key points, definitions, and takeaways. You can edit them in the rich text editor or regenerate them.
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All-in-one AI workspace for slides, docs, and research | Free tier | - **Slides Agent**: Turn a topic, a PDF/Word/TXT file, or HTML into a 10-20+ slide deck in minutes. Export editable .pptx or PDF, or share a link.
- - **Deep Research**: Gathers and analyzes sources, then writes a research report with citations, so you start from a sourced draft rather than a blank page.
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AI transcription for files, links, and live meetings | Free tier | - **Per-File Token Pricing**: One token covers one transcription, whatever the file length. A three-hour lecture costs the same as a five-minute clip, so long recordings don't eat into your allowance.
- - **Uploads and Links**: Upload MP3, MP4, WAV, WEBM, M4A, AVI, MOV and other common formats. You can also paste links from YouTube, Instagram, Facebook, Vimeo, Reddit, Twitter, Google Drive and more, so you don't have to download the file first.
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Search, summarize, and chat with research papers | Freemium | - **Smart paper search**: Enter a keyword, title, or full research question and get matching papers pulled from arXiv, PubMed, and Semantic Scholar. The AI reads context rather than matching strings, so related work surfaces alongside exact hits.
- - **Abstracts and summaries up front**: Every result shows a cleaned-up abstract and key points before you commit to the full text. You decide in seconds whether a paper is worth opening.
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