ByteScope

Text (UTF-8 with BOM) file format

Plain text encoded as UTF-8 with a byte-order mark.

MIME type
text/plain
Extensions
.txt
Category
Text & markup

Magic-number signature

0x00000000EFBBBF···UTF-8 BOM

About the Text (UTF-8 with BOM) format

A UTF-8 byte-order mark is an optional three-byte prefix that some Windows editors add to flag the encoding; it is invisible in most viewers but can trip up strict parsers. The BOM bytes are EF BB BF.

Related formats

Have a file that might be Text (UTF-8 with BOM)? Identify it with the File Type Identifier — it reads the magic number locally, nothing is uploaded. Or browse all formats.