Automatically translate your CSV and Excel files
In brief
- CSV and Excel (XLSX) translation software powered by DeepL
- Bulk translation of large product catalogs
- Preserves data structure during translation
- Speeds up e-commerce internationalisation (Shopify, WooCommerce)
- Stack: Python, DeepL API, CSV/XLSX parsing
This tool started from a recurring client problem: several Shopify stores had reached a critical product volume where internationalisation was no longer optional, but manually translating thousands of listings was impractical. The goal: reliably translate CSV and Excel exports without breaking the data.
The need
The request looked simple, translate product exports, but in practice it meant handling large volumes, specific business constraints and users with very different profiles, all while keeping the file structure intact.
The solution
The software ingests CSV and XLSX files, translates the right columns through DeepL and writes a clean output that preserves structure, ready to re-import into the store.
Key features
- Batch translation of CSV and Excel files via DeepL
- Structure-preserving output for safe re-import
- Built for large product catalogs
- Targets Shopify, WooCommerce and any tabular database
Results
Catalogs that took weeks to localise are translated in one pass, opening new markets without manual, error-prone work.
Internationalising an online store? See my custom development services.
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