Everything you can do with Billy is listed on this page. If you can’t find a feature here, take a look at the roadmap—it might already be in the works.
Creation
Recipient Suggestions
Previously billed recipients are suggested automatically while creating new invoices.
vCard Support
Drop vCards directly from your Contacts app to instantly create recipients.
Automatic Invoice Numbers
Invoice numbers are generated automatically based on your own numbering scheme.
Time Conversions
Convert times like 30min or 12:45 into decimal values and calculate expressions too.
Net and Gross Input
Enter net or gross amounts and VAT values are calculated automatically in the background.
Multiple VAT Rates
Each item can have its own VAT rate, and invoices without VAT can have a VAT exemption reason.
Discounts
Discounts can be added either as fixed values or percentage amounts on every invoice.
Markdown Formatting
NewItem descriptions and notes are formattable via Markdown syntax.
Styling
Fonts
Use all installed fonts on your Mac, including additional fonts bundled with the app.
Layout
Customize layouts—additional information can be shown in either the footer or as a marginal column.
Colors
Choose your own colors while the app keeps contrast balanced automatically for readability.
Decorations
Add subtle visual details like background patterns and different line styles.
Logo
Add your own logo in SVG, PNG, WEBP or JPEG format to fully personalize invoices.
Custom CSS
Fully customize the appearance and layout of invoices using your own CSS stylesheet.
Storage and Export
Everything Local on Mac
All files stay locally on your Mac and you decide exactly where everything is stored.
Open Format
All invoices and related data are stored as JSON files to support various workflows and automations.
Export as PDF
Export invoices as beautiful PDF documents ready for sending, printing or archiving.
Export as XRechnung
Generate XRechnung e-invoices compliant with the EN 16931 European standard.
Export as ZUGFeRD
NewCreate ZUGFeRD PDF invoices with embedded e-invoice data—readable for humans and machines.
Mail Extension
Send invoices directly from the Apple Mail app without interrupting your flow.
Auto-Export
Automatically export as a ZUGFeRD, XRechnung, or plain PDF file to a folder as soon as the invoice is finished.
Plugins
NewExtendable imports and exports for a variety of different services through JavaScript plugins.
Management
Status Tracking
Track draft, sent, and paid invoices clearly in one organized overview.
Invoice Cancellations
Cancel invoices correctly whenever changes happen while staying legally compliant.
Payment Reminder
Create and send payment reminders quickly whenever invoices remain unpaid for too long.
Overdue Warnings
Receive clear warnings whenever invoices become overdue and require your attention.
Viewing
XRechnung Viewer
NewView XRechnung e-invoices in a readable visual format instead of raw XML structures.
Export as PDF
NewExport viewed XRechnung files as readable PDF documents for sharing and archiving.