PolyGrid – Excel to XLIFF Localization Studio for Multilingual Teams

Summary: PolyGrid converts Excel spreadsheets into CAT-ready XLIFF files and merges translations back while preserving formatting and formulas. It supports XLIFF 1.2 and 2.1, custom SRX segmentation, and MT prefill via DeepL or Google, processing files entirely in memory without storage.

What it does

PolyGrid transforms multilingual Excel sheets into XLIFF files compatible with major CAT tools and merges translated XLIFFs back into Excel, maintaining original formatting and formulas. It includes built-in and custom SRX segmentation and offers machine translation prefill options.

Who it's for

It is designed for solo translators, small localization teams, and localization engineers or project managers handling Excel-based localization projects.

Why it matters

PolyGrid bridges the gap between Excel and professional translation tools, simplifying spreadsheet localization workflows without requiring expensive CAT licenses or complex setups.