Latest version

Download Invoiso Free billing software for Windows, macOS & Linux

Create GST-ready PDF invoices offline. No account, no subscription.

Download for your PC Free · Open source

Other platforms: Windows, macOS & Linux

  • Free forever
  • Open source
  • Data stays on your PC
Invoiso billing software dashboard showing revenue, outstanding invoices and recent activity

Choose your platform

Every build is the same free invoicing and billing app. Pick the file for your computer.

Your system

Linux

DEB or AppImage · x86_64

Or install from the terminal

curl -fsSL https://invoiso.co.in/install.sh | bash -s -- --deb

Looking for previous releases? All releases on GitHub · Changelog

Installation guide

Three steps and you're creating invoices in under a minute.

  1. Run the installer

    Open the downloaded invoiso-x.x.x-windows-setup.exe. If Windows SmartScreen appears, click More info → Run anyway.

  2. Follow the setup wizard

    The default options are fine. Click Install; it finishes in under a minute.

  3. Open Invoiso and sign in

    Launch it from the Start Menu or desktop shortcut. Sign in with username admin and password admin, then set your own password.

What's new

Invoiso is updated regularly with new features and fixes.

Questions before you download

Is Invoiso really free?

Yes. Invoiso is free and open source. There is no subscription, no trial period and no account to create.

Why does Windows show a SmartScreen warning?

SmartScreen warns about apps that are not yet widely downloaded. Invoiso is open source and its code is public on GitHub. Click More info, then Run anyway to continue.

What is the default login?

The default login credentials are username admin and password admin. You are asked to set a new password the first time you sign in.

Can I create GST invoices with Invoiso?

Yes. Invoiso creates GST-ready PDF invoices for small businesses, with your company details, tax rates and totals, and it works fully offline.

Does Invoiso need an internet connection?

No. After installation Invoiso works fully offline and your billing data stays on your own computer.

Which Linux file should I download?

Use the DEB package on Ubuntu 22.04 or 24.04. On any other 64-bit distribution, use the AppImage, which runs without installation.

Still stuck?Read the docs·Contact support·Report an issue

Your download has started

Didn't start? Download again

    Star on GitHub  ·  Support the project