TOML

• Website
• Wiki
  • Tools + converters
  • no converter found that converts inline tables to standard tables and vice versa

Spec

• Spec

Tables

• TOML Tables Types Explained: A Clear and Complete Guide

Long lines / multiline

Long strings without line breaks:

val = """
This is
a mulitline
string
"""

Validate / lint

• Validators

Tombi

TOML Formatter / Linter / Language Server

• Website
• GitHub
• Docs
  • Configuration
  • Ignore linter errors with Comment Directive
• Rust

sudo pacman -S tombi

Taplo

• Website
• GitHub
• Formatter options
• Rust
• Last release 2025-05
• Issues:
  • FR: Table/Inline table conversion

Install

sudo pacman -S taplo-bin

Usage

Convert to json:

taplo get -f foo.toml -o json

Format:

cat test.toml | taplo fmt -

Other

• wbbradley/tomllint
  • Python
  • Only few commits