Blog & Guide
Featured
Swiss QR-Bill: New Requirements from November 2025
From November 22, 2025, Swiss banks will only accept structured addresses in QR-bills. GrandTotal 9 supports the new requirements.
AI Plugins: Integrations Without Coding Skills
Develop custom tool integrations with AI – no coding required. Security and privacy focused.
Customer Care
Customer care for year-end: Reward loyal customers and strengthen relationships.
E-Invoices & Compliance
Swiss QR-Bill: New Requirements from November 2025
From November 22, 2025, Swiss banks will only accept structured addresses in QR-bills. GrandTotal 9 supports the new requirements.
E-Invoice Explained Interactively
Explore the new tool for analyzing and understanding e-invoices in XML format.
E-Invoicing Requirements in Europe: EU & EEA Countries
The EU documents e-invoicing requirements for all 27 member states plus Iceland, Liechtenstein, Norway, and Switzerland with legal frameworks and standards.
What is PEPPOL?
The international network for electronic business documents explained – from PEPPOL-ID to practical usage.
E-Invoices in Belgium: PEPPOL Becomes Mandatory
PEPPOL requirement in Belgium from 2026. Structured electronic invoices become mandatory.
VeriFactu: Spain's New Invoice Verification System
New requirements for electronic invoices in Spain from 2025.
XRechnung is Here - Now Mandatory in Germany
E-invoice reception mandatory since 2025 in Germany. Transition periods and free XRechnung Viewer.
Software & Automation
AI Plugins: Integrations Without Coding Skills
Develop custom tool integrations with AI – no coding required. Security and privacy focused.
20 Years of Business Software from Media Atelier
Two decades of experience developing Mac software for freelancers.
The Essential Guide to the GrandTotal 9 Classic Upgrade
The latest version of GrandTotal with improved user interface and new features.
Professional Invoicing Software Instead of Word and Excel
Why professional invoicing software pays off for freelancers.
Mac App or Web Service: Which is the Better Choice?
Why desktop software is the better choice for many freelancers.
Online Dashboard
Access your GrandTotal Dashboard from anywhere - end-to-end encrypted and optimized for mobile devices.
Optimize File
Reduce file size by consolidating log entries – using the hidden Optimize File feature.
Send to Bookkeeping
One command exports all documents for a period as structured folders with PDFs and CSV files.
Text Placeholders: The Underrated Automation
Automate recurring texts and save time when creating invoices.
Toggl API Limitations
Toggl has introduced API limits that make frequent loading difficult. Learn what this means and what alternatives are available.
Payments & Finance
Customer Care
Customer care for year-end: Reward loyal customers and strengthen relationships.
Why Invoices Get Paid Late
Why do customers pay late? Practical strategies against payment delays and delinquent payers.
The Perfect Payment Term: 14, 30 or 60 Days?
Choosing the right payment terms: deadlines, discounts and how to get paid faster.
Reverse Charge for Cross-Border Invoices: Simply Explained
When reverse charge applies and how to correctly state it on invoices.
SEPA QR Code
Make it easier for your customers to pay with standardized QR codes for SEPA transfers.
Security & Organization
AES-256 Encryption Explained
Protect your financial data with state-of-the-art encryption technology.
The 3-2-1 Backup Strategy
Why backups are essential and how to really avoid data loss.
Mac Desktop Risk Factor
Why the desktop is a risk factor for data loss and where to store files safely.
Encrypt Company File
Protect your business data with AES encryption. Passwords are securely managed in the Keychain.
Working from home
Tips for productive home office work as a freelancer.
Setting Up Cloud Sync on macOS
Practical guide to setting up local synchronization for major cloud services on macOS – with full offline availability.
Pricing & Calculation
Gross or Net Invoice: When to Use Which?
When gross prices make sense and how to avoid misunderstandings in invoicing.
The Hourly Rate Dilemma
Why hourly rates are often the worse choice for freelancers. Alternatives to hourly billing.
Interactive Estimates
Let your customers choose between options with interactive PDF estimates.
Tips for Writing a Professional Proposal
How to create offers that convince and lead to more contracts.
Why You Should Track Your Work Time
Why freelancers should track their work time – even with fixed prices. For transparency, better calculation, and profitability control.