Compare software

Sigil vs Jutoh: catalog facts
Sigil	Jutoh
Free Free and open source under the GPL.	Paid One-time purchase with no subscription; a demo is available to try first.
Windows, macOS, Linux	Windows, macOS, Linux
Edits EPUB 2 and EPUB 3 in a visual view or directly in the XHTML Built-in validation catches the errors that make readers reject a book	Imports Word, ODT, EPUB and text files Exports Kindle, EPUB, HTML, Markdown, CBZ and audio
EPUB only; it does not handle MOBI, AZW3 or PDF Some XHTML and CSS knowledge is needed to fix anything non-trivial	Paid after the demo Print output goes through ODT rather than direct PDF
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.