CSV with a UTF-8 byte order mark and non-ASCII text

A CSV file that starts with the three-byte UTF-8 byte order mark and contains accented Latin, Greek, Cyrillic, Japanese and emoji characters.

sample-csv-utf8-bom.csv

193 B193 bytes

Download CSV sample

Created in your browser in a few seconds, then checked against the SHA-256 checksum. The file is not uploaded anywhere. No sign-up.

Type: text/csv
SHA-256: ce2100cfe0889ba1b331ffc915123474caf45d4d88a4f5045ac75dd32f27f246
Delivery: Created in your browser, so nothing is downloaded from our server (how it works).

Why test with this file

Reveals importers that treat the byte order mark as part of the first column name, or that mangle multi-byte characters.

Data rows	6
Columns	3
Byte order mark	Yes (EF BB BF)
Scripts	Latin, Greek, Cyrillic, Japanese, emoji
Line endings	CRLF
Encoding	UTF-8 with BOM

What to check

After your application has processed sample-csv-utf8-bom.csv, confirm that:

The first column is named id, with no invisible characters in front of it.
Every name displays correctly, including the Japanese row and the emoji row.
Exporting the data again does not double-encode the text.

How the file begins

The opening lines of sample-csv-utf8-bom.csv, exactly as they appear in the file.

id,name,city
1,José Ñuñez,São Paulo
2,Zoë Müller,Zürich
3,Ελένη Παππά,Αθήνα
4,Анна Иванова,Москва
5,田中 花子,東京
6,Test 🚀,Emoji 😀

Preview

Shows the file contents.

Technical details

File name	sample-csv-utf8-bom.csv
Format	CSV (Comma-separated values)
Extension	.csv
MIME type	text/csv
Size	193 bytes (193 B)
Kind	Text
SHA-256	ce2100cfe0889ba1b331ffc915123474caf45d4d88a4f5045ac75dd32f27f246
Created	2026-10-10
Validation	Exact size, signature bytes and structure checked when the generator was built; your copy is checked against the SHA-256 after it is created
Preview	Available on this page
Source	Generated in your browser by this site's generator; not copied from elsewhere
Licence	Free to use, modify and redistribute (terms)
Category	Spreadsheets

Validated for expected format and integrity. As with any download, scan the file with your own security tools before opening it. How files are made and checked

Verify your copy

This file is created in your browser, so it has no direct URL for curl or wget. The bytes are the same every time and in every browser, so after saving it you can compare its checksum with the SHA-256 value above.

sha256sum sample-csv-utf8-bom.csv     # Linux
shasum -a 256 sample-csv-utf8-bom.csv # macOS

On Windows, run Get-FileHash sample-csv-utf8-bom.csv -Algorithm SHA256 in PowerShell. For scripts and pipelines, save the file once and keep your own copy.

About CSV

Tabular data as plain text, one record per line. The universal import and export format.

CSV format reference

Where it fits

File parser testing
Well-formed files and deliberate edge cases for testing code that reads CSV, JSON, XML, PDF and more.
QA testing
A ready-made set of ordinary and awkward files for exploratory testing and test plans.

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