Inventory Management for E-commerce Sellers & Agencies

Manage your sales channels and inventory locations side-by-side in one view. Designed for high-volume, omni-channel sellers.

Critical Inventory Insights for Your Business

Gain comprehensive insights across all channels within minutes of your account setup. View stock levels, in-depth sales history, and replenishment requirements, empowering you to make fast decisions for what to ship and what to order.

Some of our happy customers

“One Page Inventory has streamlined our approach to managing our e-commerce product catalog, offering a clear and immediate view of all our SKUs at a glance across our marketplaces. The OPI development team also provided a bespoke integration, which has been particularly useful for monitoring stock levels across our various warehouse locations. Their service has been a solid addition to our operations, and I’d recommend them to others in need of efficient e-commerce inventory management solutions.”

“In our industry, trust is essential, and One Page Inventory has gained ours. OPI has been a pivotal tool for our approach to Amazon FBA, ensuring accuracy and reliability for our clients. While other platforms stumble with anomalies like Prime day and seasonality, OPI is specifically designed to handle these challenges. Managing replenishment is straightforward, far surpassing the hassles of other software. We highly recommend it to Amazon agencies and sellers.”

Worldwide Amazon Marketplace Integrations

Solve your business blind spots with 360° Amazon oversight

Additional Integrations

Thoughtfully-designed integrations that are continuously updated

Intuitive Interface

The One Page Inventory interface displays inventory and sales data in a spreadsheet-like view, with powerful filtering and sorting capabilities. Hovering over any cell provides detailed background information on how values are derived or calculated. Export any filtered data to a PDF or CSV report.

Designed for quick insights

Efficiently view product performance in each sales channel without having to click into or out of multiple views. Our grid-like layout shows critical SKU information across each sales channel in a single, dedicated row for each of your products.

More details just beneath the surface

Make confident inventory decisions with full transparency of the underlying data. When more insight is desired, hover over any value to see backing data and calculations.

Avoid stockouts or overstocking

Highly configurable replenishment and order formulas allow for precise calculations that match your unique sales cadence and stock requirements.


Dedicated to helping you grow

Omnichannel e-commerce is an ever-changing game. Our sole mission is to help your business grow through accurate inventory handling, a goal that keeps us working night and day. This intense focus translates to accurate handling of data, well-designed features and robust integrations.

Inventory management sole focus

Our sole software focus is managing your inventory successfully. This translates to a high-quality tool that does what we say it will do.

Bi-weekly software updates

Our development team is constantly active – releasing updates every two weeks with new features, new integrations, and user requests.

Expert and immediate support

Software questions? Feature requests? We want to hear from you. Our average response time is 2 hours or less during business hours.


Customers Say One Page Inventory is Awesome

“Simple, intuitive design with all of our inventory and sales data in one spreadsheet-like view. This is the software we’ve been looking for.

No credit card required. The first 30 days are on us or, if you’d rather chat about it first: Book a Demo