Based on our record, Sigil seems to be a lot more popular than Backdrops. While we know about 23 links to Sigil, we've tracked only 1 mention of Backdrops. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Sigil is a gui epub editor that can import those images. Source: about 1 year ago
If i’m only doing an ePub, the Sigil ePub Editor (https://sigil-ebook.com/)) has worked well for me (free). Source: about 1 year ago
Sigil is the epub creator and editor. https://sigil-ebook.com. Source: about 1 year ago
On Mac, you can use Sigil to edit the metadata, and also remove pages. Source: about 1 year ago
Another option, better, IMHO, is to download Sigil (https://sigil-ebook.com/), and also download and install the epubcheck plugin for Sigil (https://www.mobileread.com/forums/showpost.php?p=2950625&postcount=1). Then see if Sigil find any issues upon opening your epub, if not, then run the plugin and see if there are any validation issues. The error messages will point at the line of code that is problematical and... Source: about 1 year ago
Same thing on my phone, but there I have a bunch of pictures I've downloaded from the Backdrops app. Source: over 2 years ago
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