CSV to Excel Converter Online Free
Convert CSV files to Excel spreadsheets. Auto-detect delimiters and encoding.
Drop your file here or click to browse
Maximum file size: 50.0 MB
Accepted: .txt, .csv, .tsv, .log, .md, .json, .xml, .html, .css, .js, .ts
Features
- ✓Auto-detect delimiter
- ✓UTF-8 support
- ✓Multiple sheets
- ✓Formatting options
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Frequently Asked Questions
How do I use CSV to Excel?
Paste your CSV data or upload a file. The tool converts it to Excel (XLSX) instantly and you can copy or download the result.
Is CSV to Excel free?
Yes, CSV to Excel on ToolPix is 100% free with no signup or installation required.
Is my data safe?
All processing happens in your browser, your data never leaves your device.
Does it handle nested data structures?
Yes — the converter handles nested objects and arrays, mapping them to the appropriate Excel (XLSX) structure.
Is there a size limit?
Files up to 10 MB can be converted. For larger datasets, split the file first.
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