Tools (Mini-Apps)
10 useful tools right inside dVersum — from VAT calculator to QR generator.
Contents
Tools (Mini-Apps)
The Tools page offers 10 practical mini-apps right inside dVersum. All calculations run locally in your browser -- fast, secure, and without external dependencies.
Overview
The tools are divided into two categories:
| Category | Count | Description |
|---|---|---|
| Integrated Tools | 3 | Use your data from dVersum |
| Standalone Tools | 7 | Independent calculators and utilities |
Each tool opens in a modal overlay and can be used immediately.
Integrated Tools
These tools access your existing data in dVersum and deliver particularly relevant results.
Meeting Cost Calculator
Calculates the cost of a meeting based on participants and their hourly rates.
How it works:
- Open the Meeting Cost Calculator
- Select the participants from your team
- Enter the duration of the meeting
- The costs are calculated based on the stored hourly rates
Example use case: Before the next stand-up, check whether a one-hour meeting with 8 participants is really necessary.
Project Profitability
Shows the profitability of your projects (revenue vs. costs).
How it works:
- Open Project Profitability
- Select a project
- See at a glance: revenue, costs, profit, and margin
Example use case: Identify projects that cost more than they bring in and adjust your pricing.
Payment Due Calculator
Calculates payment deadlines and cash discount periods for invoices.
How it works:
- Open the Payment Due Calculator
- Enter the invoice date
- Choose the payment term (e.g., 30 days)
- Optional: Configure cash discount (e.g., 2% if paid within 10 days)
- The tool displays all relevant dates
Standalone Tools
These tools work independently and do not require any data from dVersum.
VAT Calculator
Calculates value-added tax with German tax rates.
- Tax rates: 19% (standard rate) and 7% (reduced rate)
- Conversion: Net to gross and gross to net
- Enter an amount and instantly see net, VAT, and gross
IBAN Validator
Checks and formats IBAN numbers.
- Validation: Checks the correct structure and check digit
- Formatting: Displays the IBAN in a readable grouping (DE12 3456 7890 1234 5678 90)
- Country detection: Identifies the country from the country code
QR Code Generator
Creates QR codes for various content types.
- Text: Any text as a QR code
- URLs: Make website links scannable
- Contact data: vCard information
- The generated QR code can be downloaded as an image
Password Generator
Creates secure passwords with configurable options.
- Length: Freely adjustable
- Options: Uppercase, lowercase, numbers, special characters
- Strength indicator: Visual feedback on password strength
- Copy: One click copies the password to the clipboard
Public Holiday Calendar
Shows public holidays by federal state.
- Select state: All 16 German federal states available
- Annual overview: All holidays for the selected year
- Regional: Takes into account state-specific holidays (e.g., Corpus Christi, Reformation Day)
Euro Calculator
Currency conversion with current exchange rates.
- Conversion between Euro and other currencies
- Common currency pairs (USD, GBP, CHF, etc.)
- Quick conversion in both directions
Text Analysis
Analyzes texts and provides useful metrics.
- Word count: Total number of words
- Character count: With and without spaces
- Reading time: Estimated reading duration based on average reading speed
Tips for Usage
- Quick access -- The Tools page is always accessible from the sidebar
- Privacy -- All calculations run locally in your browser; no data leaves your device
- Check meeting costs -- Use the Meeting Cost Calculator before sending invitations to keep costs in check
- Validate IBANs -- Check client IBANs before invoicing to avoid chargebacks
- Generate passwords -- Use the generator for secure passwords instead of making up your own
Last updated: 4/6/2026