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TEK & TEK - we solve
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Free tools for your business

Small tools we built to save time on everyday tasks. Free, no account needed.

02 · tools available

  • factura.xml<cfdi:ComprobanteFecha="2026-10"Total="1160.00"<cfdi:Emisor …/></cfdi:Comprobante>
    cfdi.xlsxXLSXPDFRFCFechaTotal

    InvoicingFreeIn Spanish

    CFDI a Excel

    Converts Mexican e-invoices (CFDI XML) to Excel and PDF in seconds. Upload several files or a ZIP and get invoices, line items and a monthly summary.

    • CFDI 3.3 and 4.0
    • No sign-up
    • Files never leave your computer
    cfdi.tekntek.comOpen tool
  • nave-industrial.ifc3D · 2Dbuildview.tekntek.com/s/…Compartir

    VisualizationFree

    BuildView

    View 3D models and 2D CAD drawings in your browser, no sign-up needed. Optionally create an account to organize your projects and share them through links.

    • Instant viewing without an account
    • 3D models and 2D CAD drawings
    • Temporary sharing links
    buildview.tekntek.comOpen tool
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