Convert TSV to Excel Online

CONVERT TSV to XLS ONLINE

1) Upload TSV file to convert

Drop files here, or Click to select

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Allowed file types: fasta, qif, ofx, iif, srt, ics, excel, ris, bib, ods, xls, xlsx, xlsm, csv, tsv, tab, xlsb, xltx, xlr, pxl, qpw, wb3, wq1, dbf, wk3, 123, mdb, evtx, pages, numbers, sqlite

2) Set converting TSV to XLS options

3) Get converted file

DOWNLOAD CONVERTED FILE

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Get Total Excel Converter to convert XLS, XLSX, ODT, XLSM, etc. safely.

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Convert TSV to XLS and in many other formats
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Total Excel Converter

Total Excel Converter supports almost all Excel extensions: XLS, XLSX, XLSM, XLSB, XLT, XLTM, XLTX, XLK, XLW. When the new Office is released, we will add new file types too.

With Total Excel Converter you can convert Excel to PDF and add a digital signature in one go.

Total Excel Converter can convert each page of your spreadsheet into a separate file.

Tell Total Excel Converter to copy original time stamps if you don't want to change the date.

Have an outdated Microsoft Office 2003? Update all your old files to the new format in one go. Convert XLS files to XLSX in batches.

Total Excel Converter will help you to convert Excel 2003 XML Files (rare option!)

Total Excel Converter has a built-in renamer to give your files new descriptive names. Include a counter, a date or worksheet name into the file name and your files will be in perfect order.

Convert Excel spread sheets via our most straightforward interface.

The widest list of output file types: DOC, PDF, HTML, MHT, XHTML, CSV, TXT, TIFF, JPEG, SVG, RTF, XML, XLS, XLSX, ODS, ODT, Lotus, DIFF, SYLK, LATEX, SQL, DBF, Access!

Total Excel Converter can combine several Excel spread sheets into one TIFF or PDF file.

Want to quickly find a file? Total Excel Converter helps you to preview any document you select.

Add your logo or any other image to the header or the footer of the output file.

Want more order? Add page counters or a date to every page of the output files. Sequential numbering of several folders is avaialble.

Total Excel Converter can copy original time stamps if you want to keep them.

When you convert Excel to PDF you can set user permissions, password-protect your files or sign with a digital signature. Get PDF, PDF/A and non-searchable PDFs.

Total Excel Converter can be run via command line (get the ready-to-use command line from GUI).

How to convert TSV to XLS?

💾 Upload Your File: Go to the site, click on «Upload File,» and select your TSV file.

✍️ Set Conversion Options: Choose XLS as the output format and adjust any additional options if needed.

Convert and Download: Click 👉«Download Converted File»👈 to get your XLS file.

Cloud Based

There is no need to install any software to convert TSV to XLS with CoolUtils. Simply access the internet, and you can easily convert your file online with our service.

Secure

Our hardware operates in top-tier, highly secure data centers equipped with advanced electronic surveillance and multi-factor access control systems.

Ease of Use

Converting TSV to Excel online has never been so simple. Drop the .tsv file, tab characters become column boundaries, and you get a clean .xlsx in seconds. Handles UTF-8 BOM, embedded tabs in quoted fields, and large genomics or analytics data exports.

Privacy

We understand the importance of privacy, which is why we've developed a comprehensive privacy policy detailing how we handle your files and personal information. You can read the policy here.

TSV File

File extension	.TSV
Category	Document File
Description	TSV facilitates exchange of tabular database between utilities using a variety of extensions. TSV files look like textual tables and are compiled of records (lines), which, in turn, are made up of fields. Each field forms a succession of characters, except TAB symbols, which serve as field separators. The top line is indeed the header, since it sets names for each field and defines their function, and the remaining lines have as many fields as the top one. TSVs can be rendered in utilities designed for creating databases and electronic tables. These materials can be conveniently exported to Excel.
Associated programs
Developed by
MIME type	text/tab-separated-values
Useful links	More detailed information on TSV files
Conversion type	TSV to XLS

XLS File

File extension	.XLS
Category	Document File
Description	XLS is the most popular format for storing table data. It is native Microsoft Excel format with data stored in numbered cells that form columns and rows. The top line and left column of each table contains numbering of each cell that can contain either static or dynamic data that is calculated from formulas. XLS features powerful calculation and charts-building options, as well as rich text formatting. XLS is compatible with numerous table editors such as Calc, PlanMaker, OpenOffice, etc.
Associated programs	Microsoft Excel Microsoft Excel Viewer OpenOffice
Developed by	Microsoft
MIME type	application/vnd.ms-excel
Useful links	More detailed information on XLS files

2024-04-07

Works smoothly and gives excellent results every time!

Alex Brown

2024-06-10

Great user interface and seamless conversion process.

Emma Smith

Rating TSV to XLS

4.9 (2201 votes)Rate It

TSV to Excel — Frequently Asked Questions ▼

How do I convert a TSV file to Excel online?

Upload your .tsv file to the CoolUtils converter, select XLS or XLSX as the output format, and click Download. Tab characters become column boundaries, newlines become row boundaries, and the first line stays as the header row. UTF-8 encoding is preserved including non-Latin characters. Files up to 50 MB, no signup.

What is a TSV file and how is it different from CSV?

TSV (Tab-Separated Values) and CSV (Comma-Separated Values) both store tabular data as plain text — the only difference is the field delimiter. TSV uses a tab character; CSV uses a comma. TSV avoids ambiguity when fields contain commas, decimal numbers, or free-form text — common in scientific data, genomics output, analytics exports, and log files. CSV requires quoting any field that contains a comma, which creates parsing complexity TSV avoids entirely.

Should I choose XLS or XLSX output?

Choose XLSX unless you have a specific reason to use XLS. XLSX supports over 1 million rows and 16,384 columns, produces smaller files, and is the default for Excel 2007 and later. XLS is limited to 65,536 rows — a constraint that many large TSV exports (genomics tables, log dumps, analytics files) exceed. Use XLS only for compatibility with legacy systems that cannot open XLSX.

Will UTF-8 characters be preserved in the Excel output?

Yes. The converter detects UTF-8 encoding (with or without BOM) and stores values as Unicode in the XLSX file. Accented characters, CJK text (Chinese, Japanese, Korean), Cyrillic, Arabic, and other Unicode content are preserved correctly. If the source TSV uses a different encoding (Latin-1, Windows-1252), re-save it as UTF-8 in a text editor before converting.

Does the converter handle quoted fields with embedded tabs or newlines?

Yes. Fields surrounded by double quotes that contain literal tabs or newlines are parsed as single values. Fields without quotes treat every tab as a column delimiter — if your source has unquoted fields containing tabs, quote them in the source file before converting.

Can I batch convert multiple TSV files to Excel?

The online converter processes one file at a time. For batch conversion of entire folders — nightly genomics pipeline exports, analytics report archives, database dump collections — use the desktop Total CSV Converter. It processes entire folders in a single run and supports command-line execution for automated pipelines.

What is the file size limit for TSV to Excel conversion?

The online converter supports files up to 50 MB. Large genomics tables, analytics exports, and server log files commonly exceed this. For files beyond 50 MB, use the desktop Total CSV Converter, which has no file size limit and handles multi-gigabyte TSV files in batch.

Convert TSV to Excel Online — Tab-Separated Values to XLS / XLSX

TSV (Tab-Separated Values) files store tabular data as plain text with tab characters separating columns. They are the default export format of bioinformatics tools, genomics pipelines, R and Python data frames, database query tools, and analytics platforms. TSV sidesteps the ambiguity of CSV — fields can contain commas, semicolons, and decimal separators without quoting complexity. Converting TSV to Excel makes the data immediately usable in spreadsheets, pivot tables, and reporting without custom parsers or import dialogs.

TSV vs CSV — When TSV Wins

Both TSV and CSV store tabular data as plain text. The only difference is the field delimiter: TSV uses a tab character, CSV uses a comma. That difference matters in these scenarios:

Fields contain commas: Numerical data with thousands separators (1,234,567), addresses, names with titles, and free-form text are unambiguous in TSV but require quoting in CSV
European locales: Many EU countries use a comma as the decimal separator (3,14). CSV files in those locales switch to semicolons, creating another dialect. TSV avoids this entirely
Bioinformatics and science: BLAST results, BEDTools output, R data frames, and pandas exports use TSV because scientific data fields routinely contain commas, parentheses, and quotation marks
Database exports: MySQL OUTFILE and PostgreSQL COPY default to tab-separated output

Who Uses TSV to Excel Conversion?

Bioinformatics researchers: BLAST tabular output (-outfmt 6), samtools, BEDTools, and NGS pipeline results need to be filtered, sorted, and shared in Excel
Data analysts: R write.table() and pandas to_csv(sep="\t") exports go to Excel for stakeholders who do not use data science tools
Database administrators: MySQL and PostgreSQL TSV exports need to be reviewed and distributed in spreadsheet format
Product managers and auditors: Analytics platform exports (Google Analytics, Mixpanel, Amplitude) in TSV format need to be in Excel for ad-hoc analysis
Log analysts: Post-processed server and CDN logs tabulated as TSV need Excel for non-technical reviewers

Property	XLS (Excel 97–2003)	XLSX (Excel 2007+)
Row limit	65,536	1,048,576
Column limit	256	16,384
File size	Larger (binary format)	Smaller (compressed XML)
Compatibility	All Excel versions; LibreOffice; Google Sheets	Excel 2007+; LibreOffice; Google Sheets
Best for	Legacy systems that reject XLSX	Any modern use — analytics, large data
Recommendation	Use only when required	Default choice for all new work

Feature	Online	Desktop (Total CSV Converter)
Batch conversion	One file at a time	Entire folders in one run
File size limit	50 MB	No limit
Custom delimiter	Tab auto-detected	Tab, comma, semicolon, pipe, or custom
Privacy	File uploaded to server	Stays on your machine
Price	Free	From $29.90

Feature	Online Converters	CoolUtils Desktop	Excel Built-in	Other Software
Batch Conversion	Limited	✅ Unlimited	Manual only	Limited
File Size Limit	1-5MB	✅ No limits	System dependent	Varies
Privacy & Security	Upload required	✅ 100% offline	✅ Local only	Varies
Conversion Speed	Internet dependent	✅ Fast local processing	Slow	Medium
Advanced Options	Basic	✅ Full customization	Limited	Basic
Cost	Free/Premium	One-time purchase	Requires Office	Subscription
Formatting Preservation	Good	✅ Excellent	Good	Varies
Multiple Formats Support	Limited	✅ 40+ formats	Few formats	Limited

Convert TSV to Excel Online

CONVERT TSV to XLS ONLINE

How to convert TSV to XLS?

TSV File

XLS File

TSV to Excel — Frequently Asked Questions ▼

How do I convert a TSV file to Excel online?

How do I convert a TSV file to Excel online?

What is a TSV file and how is it different from CSV?

What is a TSV file and how is it different from CSV?

Should I choose XLS or XLSX output?

Should I choose XLS or XLSX output?

Will UTF-8 characters be preserved in the Excel output?

Will UTF-8 characters be preserved in the Excel output?

Does the converter handle quoted fields with embedded tabs or newlines?

Does the converter handle quoted fields with embedded tabs or newlines?

Can I batch convert multiple TSV files to Excel?

Can I batch convert multiple TSV files to Excel?

What is the file size limit for TSV to Excel conversion?

What is the file size limit for TSV to Excel conversion?

Convert TSV to Excel Online — Tab-Separated Values to XLS / XLSX

TSV vs CSV — When TSV Wins

Who Uses TSV to Excel Conversion?

XLS vs XLSX — Which Output to Choose

Online Converter vs Desktop Converter

Batch Convert TSV to Excel with Desktop Software

Convert from TSV

Convert to XLS