Swap faces on product photos.
AI pen pals. Replies arrive later.
A new tab shows one line from the source.
Offline, auditable Chinese ebook conversion
Convert PNG and JPEG to WebP.
Manage character-card PNGs on iPhone.
Turn photos into stickers, kept on a calendar.
Convert ebooks between simplified and traditional Chinese.
Ask AI about the book you are reading.
Export a book as Markdown.
A toast of a line you once highlighted, shown when calibre opens.
