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HomeTOML vs YAML
.toml
.yaml

TOML vs YAML

Compare Tom's Obvious Minimal Language and YAML Ain't Markup Language formats — understand the key differences and when to use each

Format Overview

TOML

Tom's Obvious Minimal Language

Tom's Obvious Minimal Language (.toml) is a data file format.

.tomldata

YAML

YAML Ain't Markup Language

YAML (YAML Ain't Markup Language) is a human-friendly data serialization format commonly used for configuration files. It uses indentation for structure rather than brackets or tags, making it highly readable. YAML is the standard configuration format for Docker Compose, Kubernetes, Ansible, GitHub Actions, CI/CD pipelines, and many modern development tools. It supports scalars, sequences, mappings, anchors, aliases, and multi-line strings.

.yamldata

TOML vs YAML: Feature Comparison

FeatureTOMLYAML
Full NameTom's Obvious Minimal LanguageYAML Ain't Markup Language
File Extension.toml.yaml
Categorydatadata
Free to Convert✓ Yes✓ Yes
Browser Support✓ All Browsers✓ All Browsers
Convert to Each Other✓ Yes✓ Yes

When to Use TOML vs YAML

Use TOML when you need:

  • •Files in Tom's Obvious Minimal Language format for maximum compatibility
  • •Industry-standard data format support
  • •Wide software and platform compatibility

Use YAML when you need:

  • •Files in YAML Ain't Markup Language format for specific workflows
  • •Optimized data format features
  • •Modern format advantages and smaller file sizes

Convert Between Them

TOML YAMLYAML TOML
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Learn More About These Formats

TOML Converter YAML Converter

Frequently Asked Questions

What is the difference between TOML and YAML?
TOML (Tom's Obvious Minimal Language) and YAML (YAML Ain't Markup Language) are both data file formats. TOML files use the .toml extension while YAML uses .yaml. They differ in compression, quality, compatibility, and intended use cases.
Can I convert TOML to YAML for free?
Yes! Convert999 lets you convert TOML to YAML completely free, directly in your browser. No file upload to any server, no registration needed — your files stay private on your device.
Which is better, TOML or YAML?
It depends on your use case. TOML (Tom's Obvious Minimal Language) may be better for certain workflows, while YAML (YAML Ain't Markup Language) excels in others. Consider factors like file size, quality, software compatibility, and your specific needs.
Is it safe to convert files on Convert999?
Absolutely. Convert999 processes all files 100% locally in your browser. Your files are never uploaded to any server, ensuring complete privacy and security.

TOML Converter

Convert from TOML

YAML Converter

Convert from YAML

File Tools

Compress, resize, merge

Convert to TOML

All sources → TOML

Convert to YAML

All sources → YAML

Format Statistics

Trends & data 2025

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