ReadlystJoin the waitlistEverything you need to explore an EPUB.
Open, inspect, and understand your ebooks with six simple tools. Your files are processed privately in your browser and never uploaded.
Free online EPUB reader
Open and read EPUB files instantly in your browser. Navigate chapters, adjust the reading view, and keep your ebook completely on your device.
Open toolEPUB reading time calculator
Upload an EPUB to estimate its total reading time, daily reading goal, and how many days it could take you to finish the book.
Open toolEPUB word counter
Count the words, chapters, and estimated pages in any DRM-free EPUB file without uploading your ebook to a server.
Open toolEPUB cover extractor
Find, preview, and download the original cover image embedded inside your EPUB file—privately and without uploading the book.
Open toolEPUB metadata viewer
View an EPUB book’s title, author, publisher, language, identifier, publication date, description, and technical package information.
Open toolEPUB table of contents viewer
Open an EPUB’s chapter list and inspect its reading order, section titles, and book structure without installing an ebook application.
Open toolYour ebooks stay yours.
Every Readlyst EPUB tool runs locally in your browser. We never upload, store, or read your book files.
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