Tools
Growth signalNo paid features detectedMedium-risk permissions
BookBloom - KDP Author Tools icon

BookBloom - KDP Author Tools

Instant KDP insights on Amazon: BSR sales estimates, niche analysis, compliance checks, and quick access to author tools.

Users428Current public install base
Rating--Store average score
Reviews0Public review volume
Manifest versionV3Extension platform version
7-day growth+4Net users gained this week
7-day growth rate+0.94%Relative weekly velocity
Preview

BookBloom - KDP Author Tools Media preview

4 assets
Trend

User growth trend

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User Growth Over Time

4244254264274282026年7月15日2026年7月18日2026年7月19日Latest: 428
Rating trend

7-day rating trend

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Growth overview

Daily, weekly, and monthly growth

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1-day growthNo data
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7-day growthGrowing
+4+0.94%
30-day growthNo data
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Technical snapshot

Version, languages, and crawl freshness

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Version1.1.0
ManifestV3
Size70.88KiB
Languages1English (United States)
Published
Store updated
Last crawled
English (United States)
Overview

Product summary

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Supercharge your KDP publishing workflow with BookBloom! This extension brings essential author tools directly to your browser, helping you make smarter decisions without ever leaving Amazon or the KDP dashboard.

FEATURES

- BSR Sales Estimator: Instantly see estimated daily and monthly sales based on a book's Best Sellers Rank (BSR) right on the Amazon product page. Our non-intrusive overlay gives you the data you need to analyze niches and competitors in seconds.

- Niche Analyzer: Search for any keyword on Amazon and get instant niche viability scores (0-100%) based on demand, competition, and profitability. Analyzes top 20 results automatically to help you find profitable niches.

- Quick Compliance Check: Worried about Amazon's strict content rules? Right-click on your KDP book edit page and use the "Check with BookBloom" context menu. It automatically extracts your title, subtitle, and description, and runs it through our Compliance Checker to flag potential issues before you publish.

- Quick Tools Launcher: Access all of BookBloom's powerful author tools with a single click on the extension icon. Get instant access to:

Reviews

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Store average score--Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average--Average computed only from synced review bodies below
Reviews with text0Synced review bodies
Total ratings / reviews0Chrome Web Store public rating/review count

Store average score: --. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

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