49 articles in this topic. — Page 6 of 7
Have an FB2 file that won't open on your Kindle? FB2 — FictionBook — is huge in Russian-language ebook circles but nearly invisible everywhere else. The fix is simple: convert FB2 to EPUB, the open format almost every reader supports. This guide covers what FB2 is, why EPUB wins, and how to get your book onto a Kindle afterward.
Got a plain .txt file — your own manuscript, a Project Gutenberg download, or public-domain text — that you want to read on a Kindle, Kobo, or phone without squinting at a wall of unbroken text? A TXT file has no chapters, no table of contents, and no structure. Converting it to EPUB gives you a proper ebook with a navigable TOC. This guide shows the shortest path and how to get clean chapter breaks.
Sitting on a pile of old .mobi files that only open on a Kindle? MOBI is Amazon's legacy format, and most non-Kindle readers — Kobo, Apple Books, Google Play Books — won't touch it. Converting MOBI to EPUB frees your books to read anywhere, because EPUB is the open standard nearly every device supports. This guide covers the quick conversion and what actually moves across. New to the format question? Our EPUB vs MOBI explainer covers which to keep as your master file.
Converting an EPUB to PDF on Linux is a five-minute job once you know the three routes: Calibre's command line, Calibre's GUI, or a browser tab. This guide covers all three, plus the permission and font errors that trip up most Linux users and how to fix them.
LIT is the ebook format Microsoft built for its never-quite-successful Reader app. Microsoft killed the app in 2012, which left every LIT file stranded. This guide explains what LIT is, why it died, and the three ways you can still open one today.
Upload your EPUB and convert it to MOBI on BookConv in seconds — no Calibre install, no account, no settings to guess at. This guide shows you how to run the conversion cleanly, whether you even need MOBI in 2026, and how to fix the cover, metadata, and table-of-contents problems that quietly ruin most attempts. If you are deciding between EPUB and MOBI for your device, start with our EPUB vs MOBI comparison.
Upload your PDF and convert it to EPUB on BookConv in seconds — no software to install, no account needed. This guide shows you how to run it, how to tell in ten seconds whether your PDF will convert well or turn into a mess, and when you're better off keeping the PDF exactly as it is.
EPUB, AZW3, and MOBI all hold the same book — they just answer to different devices. A modern Kindle wants AZW3, everything else wants EPUB, and MOBI only earns its place on pre-2012 hardware. Here's the reasoning, plus how to switch formats in a browser without installing anything.