Is my file uploaded to a server?

No. The entire conversion runs inside your browser using SheetJS. Your file never leaves your device.

Which Excel formats are supported?

The tool supports .xlsx files (Excel 2007 and later). It does not support the older .xls binary format.

How are multiple sheets handled?

Each sheet is preceded by a "=== Sheet: ===" header line, then its rows follow as tab-separated values. All sheets are combined into one .txt file.

Are formulas converted?

Yes. SheetJS reads the computed cell values, not the formulas themselves, so the output contains the actual numbers or text that were displayed in Excel.

What happens to empty cells?

Empty cells produce an empty field between the surrounding tab characters, preserving column alignment within each row.

Is there a file size limit?

There is no hard server limit since processing happens client-side. Very large workbooks (hundreds of thousands of rows) may take a few seconds depending on your device speed.

Excel to TXT Converter

Upload a .xlsx file and instantly download all sheet data as tab-separated plain text.

Upload Excel File

Drag and drop a .xlsx file here,
or click to browse

Preview (first 20 rows)

Upload an Excel file and click
Convert to TXT to see a preview here.

Done!

Summary

This tool reads an Excel (.xlsx) workbook entirely in your browser using SheetJS and converts every sheet into tab-separated plain text. Each sheet is labelled with a header so you can tell them apart, and the merged result downloads as a single .txt file. A live preview of the first 20 rows lets you inspect the output before downloading.

How it works

Select or drag and drop a .xlsx workbook into the file dropzone.
Click "Convert to TXT" to parse sheets locally in your browser.
Inspect the first 20 rows in the live preview area.
Click "Download .txt" to save the full tab-separated text file.

Use cases

Export spreadsheet data for ingestion by scripts or CLI tools.
Strip Excel formatting when sharing data with non-Office users.
Convert budget or inventory sheets into importable plain-text files.
Feed Excel data into text-based search or indexing pipelines.
Archive spreadsheet content in a format that never becomes unreadable.
Quickly inspect raw cell values without opening Excel.

Frequently Asked Questions

Last updated: 2026-10-05 · Reviewed by Nham Vu