What file formats are supported?

Standard INI files with [sections] and key=value pairs, Java .properties files with key=value or key:value syntax, and Python-style .cfg files are all handled correctly.

Are comments preserved?

Yes — lines starting with ; or # are treated as comments and kept in place relative to the key or section they annotate.

What spacing is applied around = and :?

The formatter normalizes to a single space on each side of the separator: key = value. This matches the most widely accepted convention across INI parsers.

INI File Formatter

Format INI and .properties files with consistent spacing and section headers.

Paste an INI or .properties file and get it back with consistent spacing around = and : separators, clean [section] headers, a blank line between sections, and comments preserved. Works with .ini, .cfg, .properties, and similar key-value config formats.

ini / properties input

lines

0 chars1 lines

formatted outputREADY

lines

0 chars1 lines

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FAQ

What file formats are supported?: Standard INI files with [sections] and key=value pairs, Java .properties files with key=value or key:value syntax, and Python-style .cfg files are all handled correctly.
Are comments preserved?: Yes — lines starting with ; or # are treated as comments and kept in place relative to the key or section they annotate.
What spacing is applied around = and :?: The formatter normalizes to a single space on each side of the separator: key = value. This matches the most widely accepted convention across INI parsers.