invoice-generator.com

# 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.
- [Invoice with AI](https://invoice-generator.com/ai) — Turn a conversation with ChatGPT or another AI assistant into a prefilled invoice.

## 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/guides/invoicing-guide) — Essentials of invoicing and accounting for freelancers and small businesses.
- [Getting Paid](https://invoice-generator.com/guides/invoicing-basics) — How to get paid after you send an invoice—terms, reminders, and overdue follow-up.
- [How To Make Invoices](https://invoice-generator.com/guides/creating-invoices) — Step-by-step instructions for making, sending, and managing invoices.
- [Client Billing](https://invoice-generator.com/guides/client-billing) — Deposits, progress invoices, recurring billing, retainers, payment plans, and statements.
- [Running Your Business](https://invoice-generator.com/guides/accounting-basics) — How invoicing data helps you understand cash flow, track payments, and make smarter decisions.

### 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.
- [OpenAPI spec](https://invoice-generator.com/openapi.yaml) — Machine-readable OpenAPI 3.1 specification for the Invoice PDF and UBL API.
- [AI assistant instructions](https://invoice-generator.com/ai.md) — Public instructions for AI assistants creating Invoice Generator documents.

## 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.