BTradeTech Insights
Clear articles help you choose the right tool, review its output and understand practical limits.
BTradeTech Insights
Understand PDF invoices, structured e-invoices, XRechnung and ZUGFeRD, including practical limitations and a free browser invoice generator.
Read the article →BTradeTech Insights
Understand visible PDF signatures, certificate-based digital signatures and qualified electronic signatures before signing a PDF online.
Read the article →BTradeTech Insights
Choose an image size for uploads, email and websites. Compare 100KB, 200KB, 500KB and 1MB, then compress images free in your browser.
Read the article →BTradeTech Insights
Understand loan payments, interest, principal, remaining balance and extra repayments, then model them with the free loan calculator.
Read the article →BTradeTech Insights
Use static QR codes well: choose the right content, check scanability and test codes for print, Wi-Fi, contact details and links.
Read the article →