# ChromSword Offline > ChromSword Offline is HPLC method development and optimization software for modelling separations before injection. ## Canonical website - Home and product overview: https://hplcmd.com/ - License plans: https://hplcmd.com/#pricing - License shop: https://hplcmd.com/shop/ - Request a demonstration: https://hplcmd.com/#contact ## Product summary ChromSword Offline helps chromatographers and analytical scientists model HPLC separations using experimental data from as few as two HPLC runs. It supports a clear wizard-type workflow for data input and modelling, automated and manual modelling options, and export of modelled conditions. ## Capabilities - HPLC method development and optimization - Retention modelling - Gradient optimization - pH and temperature optimization - Data import from major CDS systems and NetCDF files - Offline operation for proprietary laboratory data ## Subscription licenses - 3-month license: https://hplcmd.com/product/3-month-license/ - 6-month license: https://hplcmd.com/product/6-month-license/ - 12-month license: https://hplcmd.com/product/12-month-license/ ## Tutorials - Workflow with ChromSword Offline: https://www.youtube.com/watch?v=URZHbE-0C6Y - Modelling of Solvent Concentration: https://www.youtube.com/watch?v=W7Yvwz5JtaE - Modelling of pH and Temperature: https://www.youtube.com/watch?v=LGx_Q1wmhLU ## Policies - Privacy policy: https://hplcmd.com/privacy-policy/ - Cookie policy: https://hplcmd.com/cookie-policy/ - Refund and delivery policy: https://hplcmd.com/refund_returns/ All public browsing, product selection, cart, checkout, and account actions use the canonical hplcmd.com domain.