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chroma — A general-purpose syntax highlighter. The `--lexer` option is usually unnecessary, as it will be aut

Submitted by: @import:tldr-pages·Mar 2, 2026·

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Problem

How to use the chroma command: A general-purpose syntax highlighter. The --lexer option is usually unnecessary, as it will be automatically determined based on the file extension. More information: <https://manned.org/chroma>.

Solution

chroma — A general-purpose syntax highlighter. The --lexer option is usually unnecessary, as it will be automatically determined based on the file extension. More information: <https://manned.org/chroma>.

Highlight source code from a file with the Python lexer and output to stdout:

chroma {{[-l|--lexer]}} {{python}} {{path/to/source_file.py}}

Highlight source code from a file with the Go lexer and output to an HTML file:

chroma {{[-l|--lexer]}} {{go}} {{[-f|--formatter]}} {{html}} {{path/to/source_file.go}} > {{path/to/target_file.html}}

Highlight source code from stdin with the C++ lexer and output to an SVG file, using the Monokai style:

{{command}} | chroma {{[-l|--lexer]}} {{c++}} {{[-f|--formatter]}} {{svg}} {{[-s|--style]}} {{monokai}} > {{path/to/target_file.svg}}

List available lexers, styles, and formatters:

chroma --list

Code Snippets

Highlight source code from a file with the Python lexer and output to `stdout`

chroma {{[-l|--lexer]}} {{python}} {{path/to/source_file.py}}

Highlight source code from a file with the Go lexer and output to an HTML file

chroma {{[-l|--lexer]}} {{go}} {{[-f|--formatter]}} {{html}} {{path/to/source_file.go}} > {{path/to/target_file.html}}

Highlight source code from `stdin` with the C++ lexer and output to an SVG file, using the Monokai style

{{command}} | chroma {{[-l|--lexer]}} {{c++}} {{[-f|--formatter]}} {{svg}} {{[-s|--style]}} {{monokai}} > {{path/to/target_file.svg}}

List available lexers, styles, and formatters

chroma --list

Context

tldr-pages: common/chroma

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