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What is the difference between self-hosting and MyDevTools Cloud?

Self-hosting is the same codebase running on your own infrastructure — you own the data and pay nothing to us. MyDevTools Cloud is our managed service; it is a paid subscription that covers hosting, sync, and backups.

Sensitive data is encrypted in your browser before it reaches the server where supported. The server stores encrypted blobs for vault-style data instead of readable plaintext.

Do I need an account to use the tools?

Google Sign-In is required to save your data across sessions. Many public tool pages can be explored before opening the full app experience.

Is this truly open source?

Yes. Full source code is available on GitHub under the GPL-3.0 license. You can audit, contribute, fork, or self-host it.

Does it work offline?

Many tools are fully client-side and can work without server processing. Tools that connect to external services, sync data, or send API requests need a network connection.

Does Format Converter store or upload my data?

Format Converter is designed for browser-based use. Many MyDevTools utilities process data locally; tools that require sync or external connections may send only the data needed for that workflow.

Do I need to install anything to use Format Converter?

No installation required. Format Converter runs directly in your web browser — just open the link and start using it.

Formatters

Free Format Converter OnlineFormat Converter on MyDevTools

Convert between JSON, YAML, TOML, and XML in any direction (all 12 combinations). Runs in browser. Answers "JSON to YAML converter", "YAML to TOML online", or "XML to JSON converter".

Use Format Converter Browse All Tools

About Format Converter

Convert between JSON, YAML, TOML, and XML in any direction. All 12 combinations supported. Runs entirely in your browser. Runs entirely in your browser — no installation, no account required to try it.

Common Format Converter use cases

Use Format Converter when you need a fast, browser-based way to work with json to yaml. It is useful during API debugging, code reviews, documentation cleanup, test data preparation, and quick checks on a new machine where you do not want to install a desktop app. Because MyDevTools keeps related utilities together, you can move from Format Converter into nearby tools like formatters, converters, generators, encoders, decoders, and API helpers without leaving the same toolkit.

Example workflow

A typical workflow starts by pasting or typing your input into Format Converter. Review the result, copy the cleaned or generated output, then continue with a related task such as validating a payload, decoding a token, parsing a URL, generating an identifier, or testing an API request. This makes Format Converter part of a practical developer workflow instead of a one-off utility page.

Key Features

Format Converter supports json to yaml workflows for quick browser-based developer tasks.
Format Converter supports yaml to json workflows for quick browser-based developer tasks.
Format Converter supports json to toml workflows for quick browser-based developer tasks.
Format Converter supports toml to json workflows for quick browser-based developer tasks.
Format Converter supports xml to json workflows for quick browser-based developer tasks.
Format Converter supports json to xml workflows for quick browser-based developer tasks.
Format Converter supports yaml to toml workflows for quick browser-based developer tasks.
Format Converter supports toml to yaml workflows for quick browser-based developer tasks.
Runs in your browser — no install
Free to use, always

Format Converter FAQ

Is Format Converter free to use?

Yes. Format Converter is available through MyDevTools with a public landing page and browser-based app experience.

Do I need to install anything for Format Converter?

No. Format Converter runs in a web browser, so you can open it from any modern device without installing a desktop utility.

What is Format Converter best for?

Convert between JSON, YAML, TOML, and XML in any direction (all 12 combinations). Runs in browser. Answers "JSON to YAML converter", "YAML to TOML online", or "XML to JSON converter".

What should I use with Format Converter?

Most developers pair Format Converter with related MyDevTools utilities such as formatters, parsers, encoders, generators, API tools, and security helpers.

How to Use Format Converter

01
Open the tool
Click "Use Format Converter Free" above — no download or account required.
02
Enter your data
Paste or type your input directly in the browser. Processing happens locally on your device.
03
Copy the result
Get your output instantly. Copy it, download it, or keep working in the same tab.

Open Format Converter

Related Formatters Tools

JSON EditorFormat, validate, and edit JSON data with text and tree views. Supports JSONPath queries.JSON Schema GeneratorGenerate JSON Schema (Draft 2020-12) and typed models for Python, TypeScript, Go, Rust, Java, C#, Dart, and Swift from sample JSON.Regex TesterTest JavaScript regular expressions with live match highlighting, flags (g, i, m, s, u), and match counts. Client-side only.SQL FormatterPretty-print SQL in the browser with dialect-aware formatting for MySQL, PostgreSQL, and SQLite.GraphQL FormatterFormat and minify GraphQL queries, mutations, and subscriptions with Monaco syntax highlighting and a simple query builder. Runs locally in your browser.YAML Formatter & ValidatorFormat and validate YAML in the browser. Supports pretty-printing, indentation control, and conversion to JSON. Nothing is uploaded.Text Diff CheckerCompare two texts side by side with additions and removals highlighted. Runs entirely in your browser.Markdown Preview & HTML ConverterLive Markdown renderer with syntax highlighting, HTML export, and HTML → Markdown conversion. Runs entirely in your browser.

View all Formatters tools