# Show HN: Delightful Cells – reliable AI batch processing for spreadsheets > Source: > Published: 2026-09-20 09:31:29+00:00 Upload an Excel or CSV, describe what each row needs, and get a complete result. Failed batches are retried automatically, completed rows are preserved, and you can rerun only the rows that failed. .xlsx, .xls, or .csv — works in your browser, with no Excel add-in. Filtering, replacing, and calculations run locally. AI sends only the selected cell content for processing. or ✨ AI jobs run in reliable batches with automatic retry and partial-result recovery. One-time credits, no subscription, and credits never expire. The classic tools each do exactly one thing — no chat, just upload and go.