CSV to Excel
Convert a CSV file to Excel (.xlsx) in your browser. Download a real spreadsheet — nothing is uploaded.
TSV to CSV
Convert TSV or other delimited text to clean CSV in your browser. Paste text or open a file.
Or drop a text / TSV / CSV file
Processed locally — nothing is uploaded
How to use TSV to CSV
Convert delimited text or TSV into clean CSV. Paste text or open a file, then download.
Everything runs locally in your browser — your files are never uploaded to a server.
TSV to CSV FAQs
How do I convert TSV or delimited text to CSV?
Paste text or open a file, confirm the delimiter, then download a clean CSV. Conversion runs in your browser.
Is TSV to CSV free?
Yes. Every Excel and CSV tool on ReallyUseful.Tools is free to use, with no account or subscription required.
Are my files uploaded?
No. Files are processed in your browser on this device. Nothing is uploaded to our servers.
What delimiters are supported?
Common delimited text such as tab-separated (TSV) and other separators you paste or open as a file.
More Excel/CSV
Excel to CSV
Convert Excel .xlsx or .xls to CSV in your browser. Choose a sheet and delimiter, then download.
CSV viewer
Open and browse a CSV in a paginated table in your browser. No upload — view large files locally.
Merge CSV files
Combine multiple CSV files into one in your browser. Rows are stacked and headers aligned by name.
CSV to XML
Convert CSV rows into structured XML in your browser. Each row becomes an element — nothing is uploaded.