Free study tools, no signup
Turn a video, a PDF, or your own notes into something you can study. Pick a tool, give it your source, done.
A set of free study tools and free AI tools for students, all without a sign up. Make flashcards, summarize a lecture, build a quiz or a mind map, pull a transcript from YouTube, TikTok, Instagram or X, or convert PDFs to EPUB and text. No install and no sign up. The study tools turn any source into material you can drill, then save it to a free library and prove you learned it.
AI study tools
Turn any source into study material. Powered by AI.
Flashcard generator
Turn a video, PDF, or your notes into clean question-and-answer cards.
AI summarizer
Get the key sections of any lecture, article, or PDF in seconds.
Quiz generator
Turn any material into a multiple-choice quiz with answers and explanations.
Key points extractor
Get the main takeaways of anything as a short, ranked bullet list.
Mind map generator
See how ideas connect: a tree of concepts built from your material.
PDF to flashcards
Turn a chapter, a paper, or a slide deck into question-and-answer cards.
PowerPoint to flashcards
Turn the lecture deck your lecturer handed out into question-and-answer cards.
PowerPoint to quiz
Turn a lecture deck into multiple-choice questions with explanations.
PowerPoint summarizer
Turn a long lecture deck into a short, readable summary.
Google Slides to flashcards
Paste a Google Slides link and get flashcards from the deck.
Handwritten notes to flashcards
Photograph your notebook and get flashcards from your own handwriting.
Word to flashcards
Turn a .docx document into question-and-answer cards.
PDF summarizer
Get a short, sectioned summary of any paper, chapter, or slide deck.
PDF to quiz
Turn a PDF into a multiple-choice practice test with answers.
YouTube summarizer
Get the key sections of a lecture or talk without watching the whole thing.
YouTube to flashcards
Turn a lecture or tutorial on YouTube into question-and-answer cards.
YouTube quiz generator
Turn any YouTube video into a multiple-choice quiz you can answer.
YouTube to mind map
See a video's ideas as a tree instead of a 60 minute timeline.
Article summarizer
Paste any public article link and get the key sections in seconds.
Website to flashcards
Turn a docs page, wiki article, or blog post into study cards.
Notes to flashcards
Paste your class notes and get a deck of question-and-answer cards.
TikTok summarizer
Get the point of a long TikTok without replaying it three times.
Instagram summarizer
Get what a Reel says as short sections, without the loop.
X video summarizer
Get what a video post on X says, as text, without playing it.
PDF to reviewer
Turn a PDF module or handout into a reviewer: the main points, in order, ready to study.
Reviewer maker
Paste notes or upload a file and get a reviewer: the main points of the lesson, in order.
Word to quiz
Turn a .docx document into a multiple-choice quiz with answers.
PPTX to flashcards
Turn a .pptx file into question-and-answer cards, speaker notes included.
Notes to quiz
Paste your notes, or photograph them, and get a multiple-choice quiz with answers.
Photo to flashcards
Upload a photo of a page, a board, or a screen and get question-and-answer cards.
Transcripts & text
Pull the raw text out. No AI.
YouTube transcript
Pull the full transcript from any YouTube video with captions.
TikTok transcript
Turn any TikTok video into text you can read, search, and copy.
Instagram transcript
Turn an Instagram Reel or video post into text you can read and copy.
X (Twitter) transcript
Turn a video post on X into text you can read, search, and copy.
Image to text
Pull the text out of a photo or a screenshot.
Website text extractor
Pull the readable text out of any public web page.
Facebook transcript
Turn a public Facebook video or Reel into text you can read and copy.
PDF to text
Pull all the text out of a PDF into a plain .txt file.
PDF & ebook converters
Convert and organize your files. No AI.
PDF to EPUB
Turn a PDF into a reflowable EPUB ebook for any e-reader.
EPUB to PDF
Turn an EPUB ebook into a plain, printable PDF.
Merge PDF
Combine several PDFs into one, in the order you pick.
Split PDF
Split a PDF into one file per page, downloaded as a ZIP.
Study it on your phone too
Synapsi runs on the web, iPhone, iPad, Mac and Android. One free account, the same notes everywhere.