Invoices & Documents
Create invoices, quotes, delivery notes and other business documents in a legally compliant way — with a customer database and automatic document chaining.
All tools in this category
Create Invoice
Create professional invoices right in your browser and download them as PDF.
Create Quote
Create quotes right in your browser and download them as PDF.
Create Receipt
Create receipts with payment method and amount right in your browser.
Create Delivery Note
Create delivery notes with products and quantities right in your browser.
Create Payment Reminder
Create payment reminders and dunning letters right in your browser.
Credit Note Generator
Create credit notes referencing the original invoice right in your browser.
Business Plan Template
Fill in a structured business plan with all key chapters and download it as PDF.
Legal Form Comparison
Compare German business legal forms by key characteristics.
Quote Generator
Create professional quotes with line items, discounts and a validity date — saved to your customer database and convertible to an invoice later.
Order Confirmation
Generate an order confirmation from an accepted quote, or create one directly.
Delivery Note
Delivery notes with quantities and delivery date — derivable from an order confirmation.
Invoice Generator
Legally compliant invoices per §14 UStG, including §19 small-business notice, reverse charge, intra-community supply, early-payment discount and rebates.
Partial Invoice
Partial/interim invoices for ongoing projects, referencing the final invoice.
Credit Note
Credit notes and correction invoices referencing the original invoice.
Cancellation Invoice
Generate a cancellation invoice for an existing invoice — full reversal.
Freelancer Fee Invoice
Fee invoice for freelancers without a trade-tax note, with tax number instead of VAT ID if applicable.
Cost Estimate
Non-binding cost estimate, clearly distinguished from a binding quote.
Reminder Generator
Payment reminder plus 1st/2nd/3rd formal reminder with fees and late-payment interest, generated directly from an open invoice.
Late Payment Interest Calculator
Calculate late-payment interest per §288 BGB — base rate factored in automatically.
Recurring Invoice
Scheduled invoices for recurring services (e.g. monthly maintenance) with a reminder function.
Frequently Asked Questions
Can I download the documents as PDF?
Yes, every generated document can be downloaded directly as a PDF.
Good to know about this category
Calculators, generators and templates for invoicing, e-invoicing, cost calculation and business planning — for freelancers and small businesses.
So typical administrative tasks can be handled without expensive accounting software.
- Create quotes and invoices
- Calculate revenue, profit and break-even
- Generate XRechnung and ZUGFeRD
- Keep a cash book and sketch a business plan
- Review results before sending them out
- Additionally back up important documents locally
- Consult a tax advisor for tax-related questions
The information, templates, scripts, calculations and recommendations provided are intended for educational and assistance purposes only. Always review and test any generated result before production use. IT Smart Service accepts no liability for misuse, data loss, outages, security incidents, or legal, financial or technical damages arising from incorrect or improper use. Responsibility for validation, testing and deployment decisions rests with the user.
Related Categories
Generate, validate and view XRechnung and ZUGFeRD files per EN 16931, plus an obligation check — for the B2G/B2B e-invoicing mandate.
Revenue, profit and tax calculators, cash book, digital cash register and TSE reporting assistant — everything around ongoing bookkeeping and cash management in one place.
Company profile, customer database, products/services and backup — the foundation for all other business tools, plus payment transactions and reports coming soon.
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