CSV to Excel Converter
Convert CSV files into Microsoft Excel (.xlsx) workbooks with automatic delimiter detection and formula-injection safety.
CSV or TXT up to 15MB
Your uploaded CSV files are processed in isolated private storage and removed immediately after conversion. All untrusted formula triggers (=, +, -, @) are safely stored as explicit string literals to protect your device from spreadsheet formula execution when opened in Excel.
About CSV to Excel Converter
Upload CSV or TXT files and generate downloadable Excel spreadsheets with smart delimiter detection, UTF-8 BOM stripping, leading zero preservation, and formula injection defense.
How to Use
- Drag and drop your .csv or .txt file (up to 15MB).
- Verify the auto-detected delimiter and preview table rows.
- Click "Convert to Excel" to download your sanitized .xlsx spreadsheet.
Inputs & Limits
CSV, TSV, and TXT delimited files up to 15MB and 100,000 rows.
- Supports comma, semicolon, tab, and pipe delimiters
- Handles quoted commas, multiline cells, and UTF-8 BOM
- Neutralizes spreadsheet formula injection (=, +, -, @)
Privacy & Retention
Temporarily staged in non-public storage with expiring download tokens valid for 2 hours, after which all files are automatically erased.
• No customer accounts or registration required.
• Zero tracking or behavioral ad profiling.