Tools
Free EPUB & PDF tools
Client-side · No upload · No account
Small, single-purpose tools for the questions that come up before a book is worth importing. Each one reads the file with JavaScript in your browser tab: nothing is uploaded, nothing is stored, and they keep working with the network off.
EPUB & PDF DRM CheckerWill this book open? DRM, text layer, form fields, fixed layout — read from the file itself.EPUB Metadata EditorFix a wrong title, author or cover and download the corrected file. No upload.EPUB ValidatorThe book won't open. Find out whether it's the archive, the package document or a missing chapter.EPUB Reading TimeWord count, page equivalent and how many hours the book takes at three paces.Kindle DRM CheckerIs this AZW, AZW3 or MOBI locked to Amazon? One flag in the header decides.MOBI & AZW3 to EPUBConvert a DRM-free Kindle file to EPUB — chapters, images, cover and contents kept. No upload.ACSM File CheckerYour .acsm isn't the book. See which book, which store, when the ticket expires and what to do.Kindle Highlights to AnkiMy Clippings.txt → a flashcard deck or Markdown quotes. Duplicates merged, notes attached.Kobo Highlights to AnkiKoboReader.sqlite → a flashcard deck or Markdown quotes. Every book, every note, no Calibre.Apple Books Highlights to AnkiEvery Apple Books highlight and note at once, as an Anki deck or Markdown. From your Mac, no upload.PDF Text Layer CheckerCan this PDF be highlighted and searched, or is it a stack of scans?GemList BuilderBuild a shareable catalog of free books for the in-app library browser.