MMegaConvert

Convert XLS to TSV

Free online XLS to TSV converter. No signup required.

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Max file size: 100 MB

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How to Convert XLS to TSV

Follow these simple steps to convert your file in seconds.

  1. 1

    Upload your .xls file

    Drag and drop your .xls file into the upload area, or click "Browse" to select it from your device. Your file is uploaded securely and processed on our servers.

  2. 2

    Click "Convert to TSV"

    Once your file is uploaded, press the convert button to start the XLS to TSV conversion process.

  3. 3

    Wait for the conversion to complete

    The conversion usually takes just a few seconds. You can see the progress in real time while your file is being processed.

  4. 4

    Download your converted .tsv file

    When the conversion is finished, click the download button to save your new .tsv file. The file is ready to use immediately.

Understanding XLS and TSV Formats

Learn about the source and target file formats to understand what happens during conversion.

Source Format

Microsoft Excel 97-2003 Spreadsheet

application/vnd.ms-excel

XLS is the legacy binary spreadsheet format used by Microsoft Excel from version 97 through 2003. It stores worksheets with data, formulas, charts, and formatting in a proprietary binary structure. While superseded by XLSX, XLS files remain prevalent in legacy business systems and archives.

Advantages

  • Compatible with all versions of Microsoft Excel
  • Smaller file sizes for simple spreadsheets in some cases
  • Extensive legacy data in business and government systems

Limitations

  • Proprietary binary format that is harder to parse than XLSX
  • Row limit of 65,536 and column limit of 256
  • Vulnerable to macro-based malware and security exploits

Common Uses

  • Legacy spreadsheet archives from pre-2007 systems
  • Compatibility with older Excel-based business applications
  • Data exchange with systems that only support XLS format

Target Format

TSV File

text/tab-separated-values

TSV (Tab-Separated Values) is a plain-text tabular data format using tab characters as delimiters instead of commas. Since tabs rarely appear in data values, TSV avoids many of the quoting and escaping complexities of CSV. TSV is particularly popular in bioinformatics, linguistics, and data processing pipelines.

Advantages

  • Less ambiguous than CSV since tab characters rarely appear in field values
  • Simpler parsing logic with fewer edge cases around quoting and escaping
  • Native output format for many Unix command-line tools and database exports

Limitations

  • Less widely recognized than CSV by business and spreadsheet applications
  • Tab characters are invisible in most editors, making manual editing error-prone
  • No formal standard specification defining escape rules or data types

Common Uses

  • Bioinformatics data exchange and genomic analysis pipelines
  • Unix and Linux command-line data processing workflows
  • Linguistic corpora and natural language processing datasets

Frequently Asked Questions

Common questions about converting XLS to TSV.

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