Ways in

New launchesRecent listings with early traction
RisingNewer tools gaining users fast
Gone quietBig audiences, no recent update
CollectionsCurated lists to start from
NichesFocused corners of the store
CompareExtensions side by side
All extensionsSearch the whole directory

Hunting for an idea?

Openings show where people already want a tool and the leaders look weak.

See the openings

How it works Pricing AI assistant

All posts

Make money with extensions
Extension ideas
Market research
Chrome Web Store data
Build and launch
Growth and ranking
Pricing and monetization
Tools and comparisons
AI and MCP

Where to?

Tools106K Workflow & Planning46K Developer Tools29K Education11K Functionality & UI11K Shopping8.4K All 18 categories

New launchesRecent listings with early traction RisingNewer tools gaining users fast Gone quietBig audiences, no recent update OpeningsIdeas backed by listing evidence CollectionsCurated lists to start from NichesFocused corners of the store CompareExtensions side by side All extensionsSearch the whole directory

How it works Pricing AI assistant Blog

Start your radar Log in

ignacioluisr2006

1 listing we've seen · as of 7 Oct 2026. This is the maker name shown on the store, not proof of who owns the company.

PayPal Fee Calculator

Shopping

A most simple and beautiful PayPal fee calculator

Store users: 105
Ratings: 5.0/ 5

Small clues. Better ideas.

Start your radar →

How it works All extensions Categories Niches New launches Rising Gone quiet Openings Collections Compare Pricing MCP for AI apps Blog Your watchlist Support Privacy Terms Log in

Ext Watch is an independent service and is not affiliated with, endorsed by, or sponsored by Google LLC. Google Chrome and Chrome Web Store are trademarks of Google LLC. Other product names and logos belong to their respective owners.

Pages

Overview

Explore the store

Opportunities

Compare

Watchlist

Collections

Saved searches

Alerts

Reports

Plans & usage

Account settings

↑↓Navigate↵OpenEscClose⌘KToggle