Convert TXT to XLSX

Convert TXT files to Excel XLSX online. Choose column delimiter (tab, comma, semicolon) and use first line as header. Free, private, works in your browser. No registration.

Convert plain text to Excel in seconds. Our free TXT to XLSX converter parses your text by delimiter into rows and columns, optionally treats the first line as header, and outputs a real Excel (.xlsx) file. Runs in your browser so your data never leaves your device.

What is TXT to XLSX?

TXT to XLSX conversion turns delimiter-separated text (e.g. tab, comma, or semicolon) into an Excel spreadsheet. You choose the delimiter and whether the first line is used as the header row. The result is a native .xlsx file that opens in Excel and other spreadsheet apps.

Why use this TXT to XLSX tool on Asli Tools?

Our converter is free, runs entirely in your browser for privacy, supports common delimiters and first line as header, and produces real Excel XLSX. No server uploads, no registration.

How to use this TXT to XLSX converter

Follow these steps:

What you get with this TXT to XLSX tool

Highlights:

• Fast conversion workflow for TXT to XLSX.
• Configurable delimiter: tab, comma, semicolon, or none.
• Helpful defaults so you can finish common tasks quickly.
• Designed for everyday files and typical use cases.
• 100% browser-based; no server uploads.
• No forced account creation to start converting.
• Built for modern browsers with responsive layouts.
• Privacy-first: files stay on your device.
• Instant conversion.
• Opens in Excel and other spreadsheet apps.

When TXT to XLSX is useful

Typical situations:

• Converting tab- or comma-separated data to Excel.
• Importing exported data into a spreadsheet with headers.
• Turning log or CSV-style text into XLSX.
• Creating Excel files from TXT for analysis or sharing.
• Using first line as column headers in Excel.
• Migrating text data to Excel format.
• Parsing delimiter-separated lists into rows and columns.
• Compatibility with Excel and Google Sheets.

TXT to XLSX online vs desktop apps

Manual import in Excel works but requires steps. Many online tools upload your files. Our converter is free, runs in the browser, keeps your data on your device, and lets you set delimiter and first line as header for proper Excel output.

Tips for best results

Before you convert:

• Match the delimiter to your file: tab for TSV, comma for CSV-style, semicolon for some locales.
• Enable first line as header when your first line contains column names.
• Use the correct encoding (UTF-8 for most files).
• Ensure consistent delimiter use in the file for clean columns.
• Output is native .xlsx; open in Excel or Google Sheets.
• One column per line if you choose no delimiter.
• Ideal for data exports, logs, or CSV-like text.

Try TXT to XLSX on Asli Tools

Use our free TXT to XLSX converter to turn delimiter-separated text into Excel with optional first line as header.

No registration required. Your files stay on your device. Try it now.