TaxJar Sales Tax Automation Software for E-commerce and Accounting
TaxJar is a cloud-based software that automates sales tax calculations, reporting, and filing for U.S. online sellers and businesses, integrating with major e-commerce and accounting platforms.
- Best for
- E-commerce Sales Tax Calculation
- Key capability
- Real-Time Sales Tax Calculation
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What is TaxJar?
TaxJar is a cloud-based sales tax automation software designed to help online sellers and businesses accurately calculate, collect, and file sales tax across multiple states in the U.S. It simplifies complex tax compliance by automating tax rate calculations, reporting, and filing, reducing manual errors and saving time.

Key features of TaxJar
TaxJar offers real-time sales tax calculations, automated filing and remittance, detailed reporting dashboards, API access for developers, and integrations with major e-commerce and accounting platforms.
Real-Time Sales Tax Calculation
Instantly calculate accurate sales tax rates for transactions across thousands of jurisdictions.
Automated Sales Tax Filing
File sales tax returns automatically with state tax agencies to stay compliant.
Marketplace Seller Support
Manage tax obligations for sales on marketplaces like Amazon, Etsy, and eBay.
Accounting Software Integrations
Seamlessly sync tax data with QuickBooks, Xero, and other accounting platforms.
Developer API
Access TaxJar’s API to integrate tax calculations and reporting into custom applications.
Pros and cons of TaxJar
Pros
- Automates complex multi-state sales tax calculations
- Supports automated filing with many states
- Integrates with major e-commerce and accounting platforms
- Developer-friendly API for custom integrations
- User-friendly dashboard with detailed reporting
Cons
- Primarily focused on U.S. sales tax, limited international support
- No free plan available
Key use cases for TaxJar
E-commerce Sales Tax Calculation
Automatically calculate accurate sales tax for online transactions across multiple states and jurisdictions.
Tax Filing and Reporting
Generate and file sales tax returns with state tax authorities to ensure compliance and avoid penalties.
Accounting Integration
Sync sales tax data with popular accounting platforms like QuickBooks and Xero for streamlined bookkeeping.
Marketplace Seller Support
Manage sales tax obligations for marketplace sellers on platforms such as Amazon, eBay, and Etsy.
API Integration for Developers
Use TaxJar’s API to integrate sales tax calculations and reporting into custom e-commerce or ERP systems.
How TaxJar works
- 1
Connect Your Store
Link your e-commerce platform or marketplace account to TaxJar to start syncing sales data.
- 2
Automate Tax Calculations
TaxJar automatically calculates the correct sales tax for each transaction based on location and product.
- 3
Generate Reports
Access detailed sales tax reports that summarize your tax liabilities by state and jurisdiction.
- 4
File Tax Returns
Use TaxJar’s automated filing service or prepare returns manually with the provided data.
Who is using TaxJar
TaxJar pricing
Starter
$39/month
Published monthly plan.
Professional
$99/month
Published monthly plan.
Free trial
$0 for 30 days
Try the sales tax compliance platform free for 30 days with no obligation.
Plans and prices are as published by the vendor and can change. Check the official site before you buy. Open the pricing page (opens in a new tab)
Frequently asked questions about TaxJar
Yes, TaxJar supports sales tax calculations and filings for all U.S. states that have sales tax.
Yes, TaxJar offers an automated filing service for many states to simplify compliance.
TaxJar integrates with platforms like Shopify, Amazon, eBay, WooCommerce, BigCommerce, and more.
Yes, TaxJar provides a robust API for integrating sales tax calculations and reporting.
It depends on your specific needs and how you plan to use the tool. The official website and documentation are the best sources for the latest details.
Integration support depends on the tool and its available connectors or API. Check the official documentation or integrations page to confirm what is supported.
Yes, it can help with that use case depending on how you configure it and what features are available. You’ll get the best results with clear inputs and a defined goal.
Conclusion
Linking an e-commerce platform or marketplace account starts the sync of sales data, after which the correct sales tax is calculated for each transaction based on location and product. Reports summarize tax liabilities by state and jurisdiction, and returns can go through the automated filing service or be prepared manually with the provided data. Supported platforms include Shopify, Amazon, eBay and WooCommerce, while QuickBooks and Xero cover the accounting side. An API brings the same calculations and reporting into custom applications.
The service is described as primarily focused on U.S. sales tax across multiple states. It serves e-commerce and marketplace sellers as well as accountants and bookkeepers. Plans are published at $39 per month for Starter and $99 per month for Professional, with a free trial of 30 days.
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