# Invoice Generator Invoice Generator is a free web tool for creating invoices, quotes, credit notes, and purchase orders as PDFs. Optional accounts add send-and-pay features and cloud storage. A separate HTTP API generates invoice PDFs and UBL e-invoices programmatically. It serves freelancers, contractors, agencies, and small businesses. ## Products - [Free Invoice Template](https://invoice-generator.com/) — Create and download professional invoice PDFs in the browser without an account. - [Send Invoices and Accept Payments](https://invoice-generator.com/help) — Store invoices in the cloud, email them to clients, and accept card or bank payments. - [Invoice PDF API](https://invoice-generator.com/developers) — Generate invoice PDFs and UBL e-invoices from your application via HTTP. ## Guides ### Getting Started - [Guides](https://invoice-generator.com/guides) — Index of invoicing, payment, and small-business finance guides. - [Invoice-to-Cash](https://invoice-generator.com/guides/invoice-to-cash) — End-to-end process from pricing through invoicing, collection, and reconciliation. - [Introduction](https://invoice-generator.com/guide/intro) — Essentials of invoicing and accounting for freelancers and small businesses. - [Invoicing Basics](https://invoice-generator.com/guide/getting-paid) — How to create professional invoices and structure them for faster payment. - [How To Make Invoices](https://invoice-generator.com/guide/creating-invoices) — Step-by-step instructions for making, sending, and managing invoices. - [Past Due Reminders](https://invoice-generator.com/guide/sending-invoices) — How to write payment reminders that maintain client relationships. - [Accounting Basics](https://invoice-generator.com/guide/best-practices) — Core accounting concepts every freelancer and small business owner should know. ### Getting Paid - [How to Get Paid Faster](https://invoice-generator.com/guides/how-to-get-paid-faster) — Fifteen practical tactics to shorten payment cycles and protect cash flow. - [How to Reduce Late Payments](https://invoice-generator.com/guides/reduce-late-payments) — Strategies to prevent late payments before invoices become overdue. - [Invoice Payment Terms](https://invoice-generator.com/guides/invoice-payment-terms) — Defines Net 30, Net 15, due-on-receipt, and how to choose payment terms. - [Accept Online Payments](https://invoice-generator.com/guides/accept-online-payments) — How to accept credit card and ACH payments on invoices. - [Invoice Late Fees](https://invoice-generator.com/guides/invoice-late-fees) — How to charge late fees, set fair rates, and word invoice terms. - [Invoice Follow-Up](https://invoice-generator.com/guides/invoice-follow-up) — Build a follow-up process with timelines and sample wording for unpaid invoices. - [Invoice Reminder Templates](https://invoice-generator.com/guides/invoice-reminder-templates) — Ready-to-use reminder email templates for each stage of collections. - [Overdue Invoices](https://invoice-generator.com/guides/overdue-invoices) — What to do when an invoice is late, from follow-up through escalation. - [Collection Letter Templates](https://invoice-generator.com/guides/collection-letter-templates) — Collection letter templates from first reminder through final notice. - [Collect Unpaid Invoices](https://invoice-generator.com/guides/collect-unpaid-invoices) — Step-by-step process to recover unpaid invoices while preserving relationships. - [Bad Debt](https://invoice-generator.com/guides/bad-debt) — What bad debt is, warning signs, and how to reduce uncollectible invoices. ### Business Documents - [Quote vs Invoice](https://invoice-generator.com/guides/quote-vs-invoice) — Differences between quotes and invoices and when each document applies. - [Estimate vs Quote](https://invoice-generator.com/guides/estimate-vs-quote) — Differences between estimates and quotes and which to send first. - [Invoice Number Guide](https://invoice-generator.com/guides/invoice-number-guide) — How to number invoices, compare systems, and avoid common mistakes. - [Invoice vs Receipt](https://invoice-generator.com/guides/invoice-vs-receipt) — An invoice requests payment; a receipt confirms payment was received. - [Invoice Statuses](https://invoice-generator.com/guides/invoice-statuses) — What draft, sent, overdue, paid, and void mean in the invoice lifecycle. - [Credit Notes](https://invoice-generator.com/guides/credit-notes) — What credit notes are, when to issue them, and what to include. - [Credit Memo vs Credit Note](https://invoice-generator.com/guides/credit-memo-vs-credit-note) — Same document under two regional names; when and how to issue one. - [Purchase Order](https://invoice-generator.com/guides/purchase-order) — How purchase orders work, what they include, and when you need one. - [Purchase Order vs Invoice](https://invoice-generator.com/guides/purchase-order-vs-invoice) — Buyers send POs to authorize purchases; sellers send invoices to request payment. - [Receipt](https://invoice-generator.com/guides/receipt) — What receipts are, when to issue them, and how they differ from invoices. - [Commercial Invoice](https://invoice-generator.com/guides/commercial-invoice) — Required fields for international shipments and customs clearance. - [Pro Forma Invoice](https://invoice-generator.com/guides/pro-forma-invoice) — Communicates expected costs before payment is due; differs from a final invoice. ### Client Billing - [Recurring Invoices](https://invoice-generator.com/guides/recurring-invoices) — What recurring invoices are, when to use them, and how to automate billing. - [Customer Statements](https://invoice-generator.com/guides/customer-statements) — Summarize open invoices and payments for a client over a billing period. - [Invoice Deposits](https://invoice-generator.com/guides/invoice-deposits) — When and how to request upfront deposits and partial payments on projects. - [Progress Invoicing](https://invoice-generator.com/guides/progress-invoicing) — Bill large projects in stages as milestones are completed. - [Payment Plans](https://invoice-generator.com/guides/payment-plans) — Offer installment plans so clients can pay existing balances over time. - [Retainer Agreements](https://invoice-generator.com/guides/retainer-agreements) — How retainer billing works, main types, and how retainers differ from deposits. ### Running Your Business - [Cash Flow](https://invoice-generator.com/guides/cash-flow) — What cash flow is, why it matters, and how to improve and forecast it. - [Gross Profit vs Net Profit](https://invoice-generator.com/guides/gross-profit-vs-net-profit) — How gross and net profit differ, with formulas and worked examples. - [How to Read Financial Statements](https://invoice-generator.com/guides/how-to-read-financial-statements) — Read income statements, balance sheets, and cash flow statements in plain English. - [How to Price Your Services](https://invoice-generator.com/guides/how-to-price-your-services) — Pricing models, a rate formula, worked examples, and how to raise prices. - [Accounts Receivable](https://invoice-generator.com/guides/accounts-receivable) — The AR process, key metrics, and common mistakes for small businesses. - [Invoice Aging Report](https://invoice-generator.com/guides/invoice-aging-report) — How to read aging buckets and prioritize overdue invoice collections. - [Days Sales Outstanding](https://invoice-generator.com/guides/days-sales-outstanding) — The DSO formula, benchmarks, and ways to reduce average collection time. - [Accounts Receivable Turnover](https://invoice-generator.com/guides/accounts-receivable-turnover-ratio) — How to calculate AR turnover and what the ratio indicates about collections. - [Cash Application](https://invoice-generator.com/guides/cash-application) — Match incoming payments to the correct invoices and keep balances accurate. - [Payment Reconciliation](https://invoice-generator.com/guides/payment-reconciliation) — Match payments to invoices and bank deposits in a step-by-step process. - [Invoice Disputes](https://invoice-generator.com/guides/invoice-disputes) — Resolve billing disputes with sample responses and prevention steps. - [Working Capital](https://invoice-generator.com/guides/working-capital) — What working capital is, how to calculate it, and ways to improve it. - [Revenue Forecasting](https://invoice-generator.com/guides/revenue-forecasting) — Simple forecasting methods with examples for planning cash flow. ## Templates - [Invoice Template](https://invoice-generator.com/invoice-template) — Online editor for creating and downloading invoice PDFs. - [Credit Note Template](https://invoice-generator.com/credit-note-template) — Online editor for credit note documents that reduce amounts owed. - [Quote Template](https://invoice-generator.com/quote-template) — Online editor for price quotes sent before work begins. - [Purchase Order Template](https://invoice-generator.com/purchase-order-template) — Online editor for purchase orders that authorize buyer spending. ## Developers - [Developer API](https://invoice-generator.com/developers) — HTTP API reference for generating invoice PDFs and UBL e-invoices from code. ## Help - [Help](https://invoice-generator.com/help) — How to create, download, send, save, and customize invoices in the editor. ## About - [Help](https://invoice-generator.com/help) — Product overview, local storage model, supported browsers, and account features.