Merge two CSV files on a common column. Join datasets horizontally by matching key values, like a SQL JOIN for your spreadsheets. Everything runs locally in your browser — nothing is uploaded.
Remove duplicate rows from CSV data based on a specific column. Keep only unique values for cleaner datasets.
Generate SQL INSERT statements from CSV data. Specify a table name and get executable SQL for database import.
Compute per-column statistics for CSV data including count, sum, average, min, max for numeric columns.
Upload CSV files and run SQL queries in your browser. Auto-creates tables from CSV headers, execute SELECT/INSERT/UPDATE/DELETE queries, export results. All processing stays on your device with zero uploads.
Convert TSV, Excel (XLSX), vCard (VCF), iCalendar (ICS), and Parquet files to CSV format. One tool for all your import-to-CSV needs.
CSV Merger lets you merge two CSV files on a common column. Join datasets horizontally by matching key values, like a SQL JOIN for your spreadsheets. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Merge two CSV files on a common column. Join datasets horizontally by matching key values, like a SQL JOIN for your spreadsheets. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
Direct text entry, file upload, or URL-based input — depending on the tool. Paste or type your content directly into the provided editor area.
Yes. After the initial page load, CSV Merger runs entirely on your device with no internet connection needed. All processing is done locally.
Yes, this tool is completely free with no usage limits, registration, or credit card required.
All processing happens locally in your browser. Your data is never uploaded to any server.
Yes. After the initial page load, the tool runs entirely offline without requiring an internet connection.
No. You can use this tool unlimited times with no quotas or restrictions.
Any modern web browser (Chrome, Firefox, Safari, Edge) on desktop or mobile. No installation needed.
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