CSV to XLSX Converter

CSV to XLSX Converter: Document utility for converting, extracting, cleaning, or preparing office and content files.

Convert CSV or TSV files into Excel XLSX workbooks.

Drop files here or Choose File Allowed: .csv, .tsv, .txt · Max 100 MB No file selected

Suggestions

Auto delimiter helps Auto-detect works for common comma, tab, semicolon, and pipe files.
Use Encoding Fixer first If characters look broken, convert CSV to UTF-8 before XLSX.
Header styling Mark first row as header for easier review in Excel.
Large CSVs Very large CSVs may hit upload or memory limits.
Check output before sharing Open the downloaded file once to confirm layout, text, image quality, or password settings.

Advanced options Use only when this conversion requires extra settings.

Delimiter Header row

Ready. Upload a file to start conversion.

Ready.

Files

Recent files for this tool are listed below.

No files converted yet. Completed uploads will appear here.

Time	Uploaded file	Converted file	Size	Status	Available until	Action