SheetJoin

Join tables, find duplicates and analyze Google Sheets — no formulas, just AI

SheetJoin is a Chrome extension that helps you work with spreadsheet data directly from your browser — no formulas, no exports, no coding needed. ✦ JOIN TABLES Merge two Google Sheets or uploaded CSV/Excel files by matching key columns — like SQL JOIN. Choose which columns to include in the result. ✦ SCHEDULED JOINS Automatically run joins on a daily, weekly, or monthly schedule. Results are written directly to your output sheet — no manual work needed. ✦ FIND DUPLICATES Detect duplicate rows based on selected columns. Highlight them in yellow, delete extras, or download a clean CSV. ✦ AI ANALYSIS Get instant insights, anomaly detection, or a full executive report powered by AI — just select your sheet and click Run. ✦ CSV & EXCEL UPLOAD Works with Google Sheets and uploaded .csv, .xlsx, .xls files. No need to import anything manually. ✦ 9 LANGUAGES English, Ukrainian, German, French, Spanish, Polish, Portuguese, Italian, Russian. Free plan included. Pro plan ($4/month) unlocks unlimited joins, scheduled automation, deduplication, file uploads and AI analysis.