About This Launch
KDP123 is a free reference directory for indie authors comparing Amazon KDP tools, services, official resources, and communities. It lists 151 tools plus free in-browser calculators. Each tool shows its pricing and last-checked date. KDP123 is built by the same team as KDPTop and is not affiliated with Amazon.
Why I Built This
KDP123 was built to help indie authors compare KDP-related tools and resources in one place, with pricing context and in-browser calculators for common publishing tasks.
Launch Details
CategoryEducation
StageLive
ListedNovember 11, 2026