CSV to Excel
Convert between CSV and Excel (XLSX) formats in both directions. Import CSV data into structured Excel spreadsheets or export Excel sheets to CSV for data pipelines. All conversion runs locally on your self-hosted SnapOtter instance.
Features
- Bidirectional conversion between CSV and XLSX
- Preserves column headers and data types
- Handles large files with thousands of rows
- Supports comma, semicolon, and tab delimiters
- Clean output compatible with all spreadsheet applications
What you can do
- Converting exported CSV database dumps to Excel for business analysts
- Turning Excel budget spreadsheets into CSV for import into accounting software
- Converting CSV log files to Excel for filtering and pivot tables
- Exporting Excel inventory lists to CSV for bulk upload systems
Self-hosted. Your files never leave your network.
SnapOtter runs entirely on your own infrastructure. Files processed with CSV to Excel are never uploaded to third-party servers. Deploy a single Docker container and process files with full privacy, no watermarks, and no usage limits. Open source under AGPL-3.0.
Frequently asked questions
- Can I convert in both directions?
- Yes, the tool converts CSV to Excel and Excel to CSV. Just upload your file and the appropriate direction is handled automatically. All processing is local on your server.
- Are column headers preserved?
- Yes, column headers and data structure are maintained during conversion. Processing runs entirely on your self-hosted SnapOtter instance with no external services.
- Can I handle large CSV or Excel files?
- Yes, the tool is designed to handle files with thousands of rows efficiently. All data processing happens locally on your own infrastructure and never leaves your network.
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