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MCP Server: Automate Invoices, Estimates and Reports with AI

Save time on complex analyses across invoices and estimates.

E-Invoice Explained Interactively

Explore the new tool for analyzing and understanding e-invoices in XML format.

PDF/A: The Archive Format for Documents

Why documents are archived as PDF/A — and what makes the ISO format different from regular PDF.

Automation & Efficiency

MCP Server: Automate Invoices, Estimates and Reports with AI

Save time on complex analyses across invoices and estimates.

AI Plugins: Integrations Without Coding Skills

Develop custom tool integrations with AI – no coding required. Security and privacy focused.

Paste Tables as Line Items

Copy tables from Excel or Numbers and paste them directly as line items.

Migrate Additional Fields

How to migrate your additional fields to the new dedicated data fields in GrandTotal.

Customize Your Catalog

How to organize your product catalog individually and customize it with custom fields to meet your business requirements.

Data Migration: Out of Your Legacy System, Into GrandTotal

Migrate clients, articles and invoices from legacy systems to GrandTotal – via AI assistant instead of CSV import.

Machine Learning for Layout Recognition

Machine Learning recognizes layout elements in existing PDFs – a first step towards automatic layout creation.

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.

E-Invoices & Compliance

E-Invoice Explained Interactively

Explore the new tool for analyzing and understanding e-invoices in XML format.

PDF/A: The Archive Format for Documents

Why documents are archived as PDF/A — and what makes the ISO format different from regular PDF.

What is PEPPOL?

The international network for electronic business documents explained – from PEPPOL-ID to practical usage.

E-Invoices in Belgium: PEPPOL is Now Mandatory

PEPPOL requirement in Belgium since January 1, 2026. Structured electronic invoices are now mandatory.

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.

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.

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.

News & Updates

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.

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.

Cloud sync services compared: version history and file recovery

Side-by-side facts on version history and deleted-file recovery for Dropbox, Google Drive, OneDrive, iCloud, pCloud, Nextcloud, ownCloud, Seafile and Synology Drive.

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

GrandTotal for home office: Share company files in the cloud and activate licenses for distributed work.

Unique Invoice Numbers Across Multiple Macs

Users running GrandTotal on more than one Mac can occasionally end up with duplicate invoice numbers because of the sync window. An optional server reservation closes that gap.

How secure does a password really need to be?

Why password managers and random passwords are the only realistic protection.

Setting Up Cloud Sync on macOS

Practical guide to setting up local synchronization for major cloud services on macOS – with full offline availability.

User Stories

Simon Iannelli: AI-Powered Quotes for Photo Shoots

How a photographer uses Claude and GrandTotal to create professional quotes in minutes – including mixed calculations, travel routes, and automatic document structure.