Frequently Asked Questions

Yes — Invoiso is 100% free and open source. There are no subscriptions, no hidden fees, and no premium tiers. Download it, use it indefinitely, and contribute on GitHub.

Absolutely. Invoiso is designed to work entirely offline. All your data — customers, products, and invoices — is stored locally on your device. No internet connection is required at any point.

Invoiso is available for Windows and Linux. Download the latest installer for your platform from the GitHub Releases page.

No. Invoiso requires no registration, no email address, and no online account of any kind. Install it and start creating invoices immediately.

Your data never leaves your device. Invoiso stores everything in a local SQLite database — no cloud sync, no remote servers. You are in full control, with a built-in backup feature to keep your data portable and protected.

Go to Settings → Backup. Invoiso lets you create a database backup file and save it anywhere on your computer. You can restore it at any time from the same screen — no internet or cloud account needed.

Yes. Use the Backup feature to export your database file, copy it to the new machine, install Invoiso there, and restore the backup from Settings. All your customers, products, and invoices transfer completely.

Yes. Invoiso lets you generate professional PDF invoices with a single click. Choose from three templates — Classic, Modern, and Minimal — and add your company logo and branding.

Yes. Invoiso supports USD, EUR, GBP, INR, JPY, AED, SGD, AUD, CAD, and JMD. You can set your preferred currency in the invoice settings.

Yes. When creating a document you can choose either Invoice or Quotation as the document type. Both generate professional PDFs and are tracked separately in the list with colour-coded badges.

Yes. Every invoice has a Duplicate button. Click it, choose Invoice or Quotation, and a new document opens pre-filled with the same customer, products, tax settings, and notes — with a fresh ID and today's date. Ideal for recurring or repeat work.

Go to Settings → Company Info, click the logo area, and select a PNG or JPG image (maximum 512 × 512 px). Your logo appears on all generated PDF invoices automatically.

Yes. The Invoice Management screen has an Export CSV button in the toolbar that exports all your invoices, and a bulk CSV export for selected invoices. The CSV file can be opened in Excel, Google Sheets, or any spreadsheet app.

Yes. Invoiso supports GST-ready invoices with GSTIN fields for your company and customers, HSN code per product, and per-item or global tax rate configuration — suitable for Indian businesses filing GST returns.

Yes. Go to Settings → Company Info → Payment Settings, enter your UPI ID (e.g. yourname@bank), and enable the QR toggle. Invoiso embeds a scannable UPI payment QR code in every generated PDF — your clients can pay instantly via GPay, PhonePe, or Paytm.

The QR uses the standard upi://pay deep-link format, which is supported by all major UPI apps including Google Pay, PhonePe, Paytm, BHIM, Amazon Pay, and any other UPI-enabled banking app.

The Linux build is distributed as an AppImage — fully portable, no installation needed. Download the .AppImage file, mark it executable, and run it. The Windows build uses a standard installer.

Invoiso stores its database in your operating system's application support directory — typically ~/.local/share/invoiso/ on Linux and %AppData%\invoiso\ on Windows. The database path is displayed on the splash screen during startup in debug mode.

Yes. Invoiso is fully open source under the MIT licence. The complete source code is available on GitHub. Contributions, bug reports, and feature requests are welcome.