How to read PDFs on e-readers: reflow and best devices
Struggling with tiny text on pdfs? learn how to optimize pdfs for e-readers — reflow, crop, convert, and choose the right device.
Content Type
Format Guide
Optimizing images for e-readers: size and format tips
Large images slow down an e-reader and take up space. here's how to optimize images for the best reading experience.
Ebook formats explained: EPUB vs MOBI vs PDF vs KFX
Every ebook format compared. When to use EPUB, MOBI, AZW3, KFX, PDF, KEPUB, and CBZ. Compatibility tables for Kindle, Kobo, Boox, and PocketBook.
EPUB 3 advanced features: overlays, footnotes, and MathML
beyond basic reflowable text — what EPUB 3 adds over EPUB 2, which e-readers actually support the advanced features, and when they're worth using.
Is removing DRM from ebooks legal? The 2026 guide
Is it legal to remove DRM from Kindle and Kobo ebooks? Covers DMCA, EU law, practical risks, and how to legally back up a digital library.
How to convert comic files (cbr/cbz) to epub for e-readers
Read a digital comics on kindle, kobo, or boox — convert cbr and cbz files to epub format with full image quality.
How to convert any file to an ebook: Word, PDF, HTML, TXT
a practical guide to converting common file types into EPUB — which conversions work well, which ones don't, and how to handle the hard cases.
Calibre: a beginner's guide to ebook management
Get started with Calibre, the free ebook management tool. Learn to import books, edit metadata, convert formats, and organize a library for Kindle, Kobo, a.