Author Optimization Hub

Maximize Your Book's Potential.
Scale Your Author Business.

Professional optimization tools, targeted promo stacking, and metadata strategies built to push your books to the top of the bestseller charts.

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Trusted by over 25,000+ Independent Authors & Publishers
25K+Authors served
+340%Avg. conversion lift
1.2MPromo subscribers
98/100Avg. listing score
Interactive Tools

Free tools built for serious authors.

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BSR → Sales

Amazon Sales Rank Calculator

Convert any book's Amazon BSR into real-time daily sales estimates instantly.

Launch Calculator →
Retail-Ready

Book Description HTML Generator

Format your Amazon, Barnes & Noble, and Kobo book descriptions beautifully with clean, retail-ready code.

Format Text →
Discoverability

Keyword & Category Tracker

Evaluate high-traffic, low-competition keywords to optimize your book's discoverability.

Analyze Keywords →
Core Services & Tracks

Three pillars to win the algorithm and the reader.

01

Optimize & Launch

  • Metadata diagnostics
  • Blurb copywriting
  • Category alignment
  • A+ Content architecture
02

Promo Stacking

  • Targeted newsletter blasts
  • Genre-matched reader cross-promotions
  • Multi-site scheduling
03

Paid Ad Management

  • Expert Amazon Ads setup
  • Scalable Facebook ad funnels
  • ROI tracking dashboards
WAJI Premium

Take Your Author Business To The Next Level

Get 10% off all promotional campaigns, early access to high-conversion promo dates, priority VIP support, and exclusive access to advanced masterclasses.

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Masterclasses
Content & Learning Hub

Recent industry deep-dives.

All guides →
Amazon Ads

The 2026 Guide to Master Amazon Ads for Fiction & Non-Fiction

The complete playbook for sponsored product, brand, and display campaigns that scale profitably.

Read guide →
BookTok

TikTok for Authors: Navigating BookTok Without Going Viral

The slow-burn strategy that compounds reader trust — no dances, no chasing trends.

Read guide →
Metadata

Avoid These 5 Common Metadata Mistakes That Are Killing Your Sales

Subtitle keyword stuffing, wrong categories, and three more silent killers — and exactly how to fix them.

Read guide →