# invoicesimple.com > AI-optimized mirror of invoicesimple.com containing 24 pages totalling 17,188 words of clean markdown content, structured data, and semantic HTML. Original source: https://invoicesimple.com/. Last updated: 2026-06-15T19:19:24.161Z. Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG). ## Homepage - [Create & Send Customer Invoices in Seconds](/content/site-root.html): Send professional invoices from your phone or laptop. The simplest invoicing software you'll ever use. Create your first free invoice today! (623 words) ## Articles & Blog Posts - [pricing/index.html](/content/pricing/index.html) (1 words) - [Create Estimates and Invoices Instantly](/content/features/create-estimates-invoices/index.html): Create professional estimates & invoices in seconds with Invoice Simple. Fast, easy, and perfect for managing your small business invoicing. (833 words) - [8 Best Bill.com Alternatives for Invoice Processing](/content/blog/bill-com-alternatives/index.html): Looking for a bill.com alternative? Check out this list of accounts payable software options on the market to find the perfect match for your business.... (1,758 words) - [Net 60 Payment Terms: What They Are and How They Work](/content/blog/net-60/index.html): Explore net 60 payment terms: how they work, their impact on cash flow, and tips for choosing the best options for your small business finances.... (1,602 words) - [How to Calculate & Charge Late Fees on Invoices](/content/blog/how-to-charge-late-fees-invoice-wording/index.html): In this article, we’ll review how to charge late fees on an invoice, invoice late fee wording, examples of late fee emails, and more. (2,171 words) - [How to Write a Strong Invoice Email – 3 Examples/Templates](/content/blog/how-to-write-a-strong-invoice-email/index.html): In this article, we’ll outline what you need to include to write a strong invoice email. Check out these helpful tips and examples to get started today. (1,770 words) - [Production Assistant Invoice Templates](/content/product/index.html): Create professional production assistant invoice templates for your brand. Use the world’s simplest way to invoice customers with Invoice Simple. (469 words) - [Get Paid Faster With Online Invoice Payment Processing](/content/features/accept-payments-online/index.html): Accept online and in-person payments with Invoice Simple to get paid faster. Customers pay invoices instantly by card or online—no delays, no extra hassle. (1,229 words) - [Invoice Simple: The #1 Mobile Invoice App](/content/features/mobile-invoice-app/index.html): With the Invoice Simple mobile app, you can create invoices, estimates, and receipts anywhere. Add on-the-go professional invoicing to your small businesses. (1,305 words) - [Business Expense Tracker](/content/features/business-expense-tracker/index.html): Use Invoice Simple’s business expense tracker to scan receipts, organize spending, export reports and stay tax-ready—all from your mobile device, anytime. (854 words) - [Create & Send Invoices in Seconds. Get Paid Online.](/content/features/index.html): Make invoices, create estimates, and manage payments using our easy invoicing and billing tools for small businesses. Available on iOS, Android and desktop. (376 words) - [Online Invoice Generator](/content/online-invoice-generator/index.html): Use Invoice Simple’s online invoice generator to create, customize, and send professional invoices in minutes—free, mobile-friendly, and always available. (498 words) - [Category: Payments & Cash Flow](/content/category/payments/index.html): The Invoice Simple blog is your source for all things small business and small business invoicing. Read the latest on Payments & Cash Flow —fresh from the Invoice Simple team. (350 words) - [Stay On Brand, Look Professional](/content/features/professional-invoice-templates/index.html): Get started with professional invoice templates. Create, customize, and send on-brand invoices that help your business look professional and get paid faster. (437 words) - [Category: Operations & Tech](/content/category/workflow/index.html): The Invoice Simple blog is your source for all things small business and small business invoicing. Read the latest on Operations & Tech —fresh from the Invoice Simple team. (290 words) - [Keeping Invoices Easy](/content/pricing-packages/index.html): Ready to choose Invoice Simple? Manage your whole invoicing process from plan to payment. Explore our plans and choose the right one for you. (905 words) - [Category: New Features](/content/category/new-features/index.html): The Invoice Simple blog is your source for all things small business and small business invoicing. Read the latest on New Features —fresh from the Invoice Simple team. (113 words) - [Category: Invoicing](/content/category/invoicing/index.html): The Invoice Simple blog is your source for all things small business and small business invoicing. Read the latest on Invoicing —fresh from the Invoice Simple team. (294 words) - [Category: Estimates & Pricing](/content/category/estimates-pricing/index.html): The Invoice Simple blog is your source for all things small business and small business invoicing. Read the latest on Estimates & Pricing —fresh from the Invoice Simple team. (317 words) - [Category: Business & Growth](/content/category/business-tips/index.html): The Invoice Simple blog is your source for all things small business and small business invoicing. Read the latest on Business & Growth —fresh from the Invoice Simple team. (342 words) - [Category: Clients & Reviews](/content/category/client-reviews/index.html): The Invoice Simple blog is your source for all things small business and small business invoicing. Read the latest on Clients & Reviews —fresh from the Invoice Simple team. (313 words) - [Category: Bookkeeping & Accounting](/content/category/accounting/index.html): The Invoice Simple blog is your source for all things small business and small business invoicing. Read the latest on Bookkeeping & Accounting —fresh from the Invoice Simple team. (330 words) - [sitemap-xml.html](/content/sitemap-xml.html) (8 words) ## Resources - [Full Page Index](/index.html): Browse all cached pages with rich metadata - [About This Cache](/content/about.html): Methodology, technical details, and usage guidelines - [XML Sitemap](/sitemap.xml): Machine-readable sitemap for crawler discovery - [Robots.txt](/robots.txt): Crawler directives