formatforge

Convert between data formats from the command line.

Supported formats

Format	Extension	Notes
JSON	.json
TOML	.toml	No null values
YAML	.yaml, .yml
XML	.xml
ENV	.env	Key=value pairs
KDL	.kdl	kdl-lang.com
CBOR	.cbor	Binary format
INI	.ini
JSON5	.json5	Comments, trailing commas
JSONC	.jsonc	JSON with comments
MessagePack	.msgpack	Binary format

Note: TOML and XML may not preserve key/attribute order after conversion.

Installation

cargo install formatforge

Aliases

Two binaries are installed:

formatforge data.json data.toml  # full name
fmtf data.json data.toml         # short alias

Usage

# Format is detected automatically from file extension
formatforge input.json output.toml
formatforge config.yaml config.json
formatforge data.toml data.yaml

# Pack to binary
formatforge data.json data.cbor
formatforge data.json data.msgpack

# Unpack from binary
formatforge data.cbor data.json
formatforge data.msgpack data.toml

# Override format manually
formatforge data.json out.yaml --to yaml
formatforge input --from json output.toml

Examples

Convert a JSON config to TOML:

formatforge config.json config.toml

Escape XML hell:

formatforge legacy.xml modern.json

Pack data for transport, unpack for reading:

formatforge data.yaml data.cbor    # pack
formatforge data.cbor data.yaml    # unpack

License

MIT — see LICENSE

Links

• crates.io
• GitHub