---
name: "sutf"
section: "1"
platform: "linux"
package: "simdutf"
version: "9.2.2-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/sutf"
---

# sutf(1)

convert encoding of text files

## NAME

sutf - convert encoding of text files

## SYNOPSIS

**sutf** \[*OPTIONS*...\] \[*INPUTFILES*...\]

## DESCRIPTION

**sutf** converts the encoding of text files from one encoding to another using the high-performance simdutf library for supported formats. For unsupported formats, it falls back to iconv if available.

## OPTIONS

- **-f, --from-code=*ENCODING***

  Encoding of source text (mandatory).

- **-t, --to-code=*ENCODING***

  Encoding of output (mandatory).

- **-o, --output=*FILE***

  Output file. If not specified, output goes to standard output.

- **-h, --help**

  Display help text and exit.

- **-u, --usage**

  Display short usage message and exit.

- **-l, --list**

  Display supported formats and exit.

## SUPPORTED FORMATS

Formats supported by simdutf library: UTF-8, UTF-16LE, UTF-16BE, UTF-32LE

If iconv is available, additional formats supported by iconv are also available.

## EXAMPLES

- Convert UTF-16LE file to UTF-8:

  **sutf -f UTF-16LE -t UTF-8 input.txt**

- Convert multiple files and save to output file:

  **sutf -f UTF-8 -t UTF-16BE -o output.txt file1.txt file2.txt**

- List supported formats:

  **sutf --list**

## SEE ALSO

[**iconv**(1)](/iconv/1.md), [**uconv**(1)](/uconv/1.md)

## AUTHOR

Written by the simdutf development team.