Developer Tools
Convert TOML into JSON for easier inspection and reuse.
Use this TOML to JSON converter to transform TOML into JSON for configuration work, debugging, and data transformation. It is useful for app configs, package settings, scripts, and moving TOML content into tools that work better with JSON.
Use this TOML to JSON converter to transform TOML into JSON for configuration work, debugging, and data transformation. It is useful for app configs, package settings, scripts, and moving TOML content into tools that work better with JSON.
Use toml to json when you need a fast browser-based result without extra setup. It works well for quick checks, one-off tasks, and routine formatting or calculation work.
Read step-by-step usage guidance, best practices, and common mistakes.
See common questions and answers about input, output, and tool usage.
Review practical input and output examples before running the tool.
Find similar and supporting tools for adjacent actions and follow-up tasks.
Input
title = "Demo"
Output
{"title":"Demo"} Converts a simple TOML key-value pair into JSON.
Input
[server] port = 3000 debug = true
Output
{"server":{"port":3000,"debug":true}} Useful for turning configuration tables into nested JSON objects.
Fix: Validate and correct the TOML before converting it.
Fix: Remember that JSON output preserves data structure, not TOML comment style.
Fix: Paste the full TOML block if you want a complete JSON output.
It parses TOML keys, values, sections, arrays, numbers, booleans, and strings into JSON output.
It is useful for developers working with configuration files and tools that use TOML.
Valid TOML with clear tables and values works best and converts more predictably.
Yes. It works online in the browser.
JSON is more useful for APIs, machine-readable payloads, and tools that expect object-based structured data.