Invoice Studio – Professional Invoice Generator

Invoice Studio – Professional Invoice Generator

Create professional invoices quickly with a modern, privacy-focused invoice generator designed for freelancers, small businesses, consultants, agencies, and service providers.

Invoice Studio works directly in the browser and keeps invoice data stored locally. It is lightweight, responsive, and does not require a database, external API, or customer account.

Key Features

• Professional invoice builder with live preview
• 50/50 builder and invoice preview workspace
• Multiple professional invoice themes
• Custom accent colors and fonts
• Business and client information
• Logo and signature support
• Invoice number, prefix, dates and payment terms
• PO / reference number
• Multiple currencies
• Tax-inclusive and tax-exclusive calculations
• Per-item tax support
• Percentage and fixed discounts
• Shipping and additional charges
• Automatic invoice totals
• Amount in words
• Notes, terms and payment details
• Invoice status
• Save, edit, duplicate and delete invoices
• JSON export and import
• Full invoice reset
• Print and Save as PDF
• Responsive desktop, tablet and mobile interface
• Local browser storage for invoice data

Privacy-First & Lightweight

Invoice Studio does not require MySQL or another database. No external API or third-party service is required for the application. Invoice data is stored locally in the customer's browser.

Requirements

• PHP 7.4+ hosting
• Modern web browser
• No database required
• No API key required
• No external service required

Live Demo

Try Invoice Studio online before purchasing using the live demo provided on this item page.

Ideal For

Freelancers, consultants, agencies, small businesses, contractors, designers, developers, and service providers who need a simple professional invoice generator without a complex accounting system.

Included

Complete PHP source code, documentation, license file, changelog, and required application files.