Official product manual

Free Invoice Maker documentation

Understand document types, fields, calculations, previews, PDF output, file handling and sharing before creating customer documents.

System requirements and installation

Free Invoice Maker is the product name used by this site for Invoice & Quotation Generator, Android package com.freeinvoicemaker. Version 1.0.0 required Android 7.0 or later when the Google Play listing was reviewed on 24 August 2026. Requirements may change, and Google Play determines compatibility for a particular device.

Install from the official Google Play listing. Confirm the developer is Top-web Technologies. Use a stable network, keep enough storage available and allow Google Play to complete verification. The store identifies the app as containing ads and describes unlimited document creation as free.

Supported document types

Invoice

An invoice states the amount a customer owes for products or services. Typical content includes the issuing business, customer, number, dates, itemized descriptions, quantities, prices, payment terms, tax, discounts, notes and total. An invoice is not proof that payment has already been received.

Receipt

A receipt acknowledges payment. Create it only after the relevant payment event and enter accurate transaction details. Keep a copy according to your business records process. A receipt and an invoice can relate to the same sale, but they communicate different stages.

Quotation or estimate

A quotation presents proposed products, services and pricing before an order or project is finalized. Include scope, validity, exclusions and conditions when applicable. It should not be described as proof of payment or final delivery.

Waybill

A waybill records delivery information, including sender, receiver, goods and reference details. Local shipping, carrier, customs or tax rules may require additional documents. Free Invoice Maker provides the stated generator, not legal confirmation that a waybill alone is sufficient.

Fields and calculation model

Business details identify the issuer, while customer details identify the recipient. Document numbers help retrieval and cross-reference. Issue, due, validity or delivery dates communicate timing. Line items describe what is being sold, quoted or delivered. Enter quantities and unit prices using consistent units and currency.

The app calculates amounts from the values entered and supports tax and discounts. Review decimal placement, quantities, price, subtotal, discount, tax and final total independently. Software arithmetic cannot detect that a source price or rate is incorrect. Determine applicable tax and invoice rules through an authority or qualified professional.

Field groupPurposeReview
Business/customerIdentifies partiesNames, contacts, addresses
Reference/datesIdentifies timingNumber, issue and due dates
Line itemsExplains valueDescription, quantity, price
AdjustmentsChanges amountTax and discount basis
Terms/notesAdds conditionsClear, relevant wording

Standard document workflow

  1. Select the correct type. Match invoice, receipt, quotation or waybill to the event.
  2. Enter accurate parties. Add business and customer, recipient or delivery details.
  3. Add reference information. Use appropriate numbers and dates.
  4. Itemize clearly. Describe products or services using quantities and prices that a customer can understand.
  5. Apply adjustments. Add only valid taxes or agreed discounts.
  6. Review the preview. Check spelling, arithmetic, currency, terms and completeness.
  7. Generate the PDF. Download the final document only after review.
  8. Store and share carefully. Use a clear filename and an intended recipient.

For screenshots and shorter task steps, use the tutorials. If a control or PDF action fails, follow the Help Center troubleshooting sequence.

PDF files, printing and sharing

PDF output preserves the document layout. After export, use Android Files to locate the result, often in Downloads or a folder chosen through the system picker. Rename files systematically—for example, document type, number, customer and date—without exposing confidential information unnecessarily. Back up business records according to your operational and legal needs.

Open the file in a trusted PDF viewer before sending. Printing is handled by the viewer and Android print service. Sharing is handled by compatible apps installed on the device. Check the recipient and attachment because a share action can send the wrong version if filenames are unclear. Third-party email, storage and messaging providers apply their own privacy policies.

Privacy, accuracy and responsible use

The current Google Play Data safety declaration states no data is collected and no data is shared with third parties. Generated documents can nevertheless contain information you enter. Minimize personal data, protect the device, restrict access to saved PDFs and choose suitable delivery methods. Do not include passwords, full card data or authentication secrets.

Free Invoice Maker is a document generator. It is not accounting, tax, legal, payment-processing or compliance advice. Users control document content and remain responsible for accuracy, authorization, taxes, record retention and lawful use. Read the Privacy Policy and Terms of Service.

When you are ready, download Free Invoice Maker on Google Play and create a non-sensitive test document before using real customer information.

Turn the guide into a professional PDF

Install the official Android app and begin with a test invoice.

Get Free Invoice Maker on Google Play

Document control and corrections

Use a consistent numbering system and avoid issuing different documents with the same reference. If you discover an error before sharing, correct the entry and regenerate the PDF. If a customer already received it, keep the original record and communicate the correction clearly. Your process may require a credit note, cancellation record or replacement reference; the correct method depends on local rules.

Separate draft and final files. An outdated quotation should not be presented after its validity period. Periodically test that backups can be opened, because a backup that cannot be restored does not protect business records.

Currency and locale checks

Use one clearly understood currency for each document unless your agreement explicitly explains conversion. Review decimal separators, date order and address formatting, especially when a customer is in another country. A professional-looking PDF can still be misleading if the currency symbol or date format is ambiguous. State the currency in words or standard code when clarity matters.