The fastest way to send an invoice is by email as a PDF attachment. PDFs preserve your formatting on any device, can't be accidentally edited, and arrive at the client instantly. Most modern accounting tools also let you send directly from the dashboard with delivery and open tracking.
To send an invoice effectively:
If you don't hear back within a few days, send a polite reminder. Sending invoices the same day work is completed — and following up before the due date — is the single biggest driver of getting paid on time.
Ready to create your first invoice? Use InvoiceSonic's free invoice generator and get a professional PDF in under 2 minutes.
Create Free Invoice