← All Tools

⚙️ Config Format Converter

Convert JSON ↔ YAML, JSON ↔ TOML, and format YAML/TOML snippets in one browser-local config utility.

Config conversion checks

Uses one combined page for JSON, YAML, and TOML snippets. YAML and TOML conversions intentionally cover common config subsets and return explicit warnings for features that need production parsers.

Runs in your browser

Config conversion runs locally in your browser. Do not paste secrets, tokens, kubeconfigs, or production environment values into shared debug payloads.

What this tool does

Config Format Converter changes small JSON, YAML, and TOML configuration snippets between common formats with copyable output and machine-readable summaries.

Why it is useful

It helps humans and agents move config examples between docs, CI files, API payloads, and local tool settings without creating thin one-off converter pages.

How it works

The browser runs a deterministic shared core for JSON ↔ YAML, JSON ↔ TOML, and lightweight YAML/TOML formatting modes.

Best input

Use focused config fragments made of objects, primitive values, arrays, and simple nested sections.

Agent workflow tip

Copy the JSON summary when a pipeline needs the selected mode, warning count, and converted output.

Privacy note

Conversion happens locally in your browser. API calls submit the provided config to Utilito serverless functions only when you choose the API endpoint.

Important limitation

This lightweight converter does not replace full YAML or TOML parsers. Review anchors, tags, dates, arrays of tables, multiline strings, and comments in your target tool.

Quick answers

Why combine JSON, YAML, and TOML on one page?

Developers usually need to move one config snippet between formats, so one combined workflow is clearer than several thin direction pages.

Can it preserve comments?

Not reliably. JSON cannot represent comments, and round-trip formatting can drop or move comments.

Common Use Cases

Convert docs JSON into YAML

Paste a JSON API or deployment example and turn it into YAML for README or CI documentation.

Inspect TOML as JSON

Turn a focused TOML config into JSON so agents and scripts can inspect keys consistently.

Normalize a config snippet before sharing

Format lightweight YAML or TOML before adding it to a support ticket or agent prompt.

Config Formatter Workbench workflow

Move between JSON, YAML, TOML, XML, config conversion, JSON path inspection, and schema validation while keeping snippets local to the browser.

{}JSON Formatter🧾YAML Formatter / Validator⚙️TOML Formatter / Validator🧾XML Formatter🎯JSON Path TesterJSON Schema Validator
View all in Code →