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Dhall Configuration Language
Kubernetes
XML
GitHub Actions
JSON Formatter & Validator
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YAML 1.2 --- YAML: YAML Ain't Markup Language
CodeUtil.dev
SamToolkit
Livecode
Base64Encode.dev
CodePen
JSONFormatter.org
DevsBox
Fast, free developer tools. JSON formatter, Base64, JWT, Regex and more. Runs 100% in your browser.

Which is more popular?
Based on our record, YAML seems to be more popular. It has been mentioned 46 times since March 2021.
Website, pricing, platforms and company facts side by side.
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CodeTray.dev
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| Website | yaml.org | codetray.dev |
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What each product offers, as listed by its team.

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YAML is for Computers. ksonnet is for Humans - Bryan Liles, Heptio (Any Skill Level)
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Recommendations tracked on public social media and blogs since March 2021.

Unlike iwyu, I wanted Tidy to be fully configurable via files. The choices these days are JSON, TOML, XML, and YAML. IMHO, the least bad of these is TOML. Given that choice, the next task was to be able to parse TOML files. - Source: dev.to / 5 months ago
Unity stores its scenes, prefabs, and many other asset files in a YAML text format. For simple conflicts like a transform position change, you can edit the YAML files directly to merge the changes. - Source: dev.to / 5 months ago
Refer to Documentation: The official YAML website and Learn X in Y Minutes (YAML) are fantastic resources for quick syntax lookups. - Source: dev.to / 10 months ago
Tracking CodeTray.dev since Jun 2026.
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