Comp title finder
Paste your book description below. Get five real, published, commercially successful comp titles — with reasons why each fits, plus ready-to-paste copy for your Amazon book description.
Your comp titles
Coming soon.
Authorly is built one carefully-tuned tool at a time. Here''s what''s next:
Amazon book description
Paste your plot, get a structured blurb — hook, setup, stakes, cliffhanger.
KDP keyword expander
One keyword in, ten related ones authors actually search for.
Category recommender
Best Amazon BISAC categories for your book + competition notes.
Trope finder
Identify the tropes in your plot that readers actively search for.
Amazon Ads headlines
Punchy ad copy from your title and comp titles.
Author bio generator
A few facts in, polished KDP author-page bio out.
Built for indie authors.
Authorly is a small, growing collection of free tools for self-published authors. No accounts. No upload-your-manuscript. No paywalls on the basics. Just tools that work.
Powered by Anthropic''s Claude — the AI we found gives the highest-quality output for craft work like this. Powered by Claude AI. Five free searches per day per visitor - more than enough for most authors. We pay the AI bill so you don't have to. Pro tier with unlimited searches coming soon.