Utilities & Software

Tools

Active Tools

CalibreSigilKOReaderReadwiseCalibre-WebPageEditEbook TranslatorEpubPressKepubifyKindle Comic ConverterPandocGutenbergStandard EbooksKindle Previewer

Legacy

K2pdfoptKindleUnpackKindleGenFix Kindle Coversdr-CleanerClippings Fere

Tool Guides

The best free dictionaries for Kindle and Kobo: how to install and switch between them

5 essential ebook tools I actually use every week

The 15 best places to download free ebooks legally in 2026

Pandoc for ebooks: convert anything to EPUB with one command

Readwise: automatically sync Kindle highlights to your notes app

Calibre-Web: build your own cloud library for ebooks

PageEdit guide: the free ePub editor that actually works

SDR-Cleaner: remove useless Kindle sdr folders in one click

Fix Kindle ebook cover: restore missing thumbnails on your library

EpubPress: turn open browser tabs into a single ebook

Ebook Translator: translate ebooks inside Calibre with one plugin

Clippings Fere: turn Kindle highlights into readable HTML

Standard ebooks: the best source for free, beautifully formatted ebooks

Best ebook subscription services compared in 2026

Kepubify: convert epub to kepub for a better kobo experience

Nickelmenu & plato for kobo: customize your kobo beyond the defaults

Kindleunpack: extract and modify kindle ebook files

Kindle previewer: amazon's official ebook preview tool guide

Kindle comic converter (kcc): turn comics into e-reader friendly files

K2pdfopt: the ultimate pdf reflow tool for e-readers

Project gutenberg: 70,000+ free ebooks for your e-reader

Kindlegen guide: amazon's official ebook converter (still useful in 2026)

The 50+ free ebook sites: the ultimate directory for e-reader owners