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6 apps
Find and repair EPUB errors before KDP upload
EPUB Fixer is a free web tool that validates reflowable EPUB 2 and 3 files against the checks that break KDP, Kindle Previewer, and EPUBCheck, then auto-repairs deterministic issues like manifest wiring and packaging and lets you download a fixed copy once it re-passes. Uploads are deleted after 24 hours and no signup is required.
Web
Clean up your macOS Disk
SimplyDiskSweeper helps you find large files and folders when your Mac is running out of space. It scans your disk, shows where storage is going, and lets you inspect the biggest items before deciding what to remove. Use it when you want a simple disk cleanup tool without complex maintenance features. It costs US$14.99 upfront on the Mac App Store.
macOS
once
Find and repair EPUB errors before KDP upload
EPUB Fixer is a free web tool that validates reflowable EPUB 2 and 3 files against the checks that break KDP, Kindle Previewer, and EPUBCheck, then auto-repairs deterministic issues like manifest wiring and packaging and lets you download a fixed copy once it re-passes. Uploads are deleted after 24 hours and no signup is required.
Platforms
Web
Category
Ebook
