YAML Formatter
Format and validate YAML files
Format and validate YAML files. Key features include Syntax highlighting and Error detection. Use it for everyday development and data tasks. All processing runs locally in your browser. Your files and text are not sent to Tool-web's server.
Encrypted with HTTPSProcessed in your browser
All processing runs locally in your browser. Your files and text are not sent to Tool-web's server.
Actions:
How to Use
- Paste your YAML code
- Click "Format" to beautify
- Check for syntax errors
- Copy the formatted YAML
Features
- Syntax highlighting
- Error detection
- Indentation normalization
- Comment preservation
- Copy to clipboard
Frequently Asked Questions
Does it support YAML 1.2?
Yes. The tool supports YAML 1.2 syntax including anchors, aliases, and multi-line strings.
Will formatting change my YAML?
The formatter normalizes indentation and spacing while preserving the logical structure and comments.
Can it convert JSON to YAML?
Currently, this tool only formats existing YAML. Use the JSON to YAML converter for format conversion.
What developer tools are available?
We offer JSON formatter, Base64 encoder/decoder, UUID generator, CSS minifier, JavaScript formatter, HTML previewer, regex tester, SQL formatter, and more tools.
Are these developer tools free?
Yes. Every developer tool is free, requires no sign-up, and runs entirely in your browser.
Is my code data safe?
All processing is client-side. Your source code, API keys, and data never leave your browser, keeping your intellectual property secure.
Do these tools support large files?
Yes. The tools handle large payloads efficiently. Very large files (10MB+) may take a moment to process depending on your device.
Can I use these tools offline?
Once the page is loaded, most tools work entirely in your browser without an active internet connection.
Privacy & Security
All processing happens entirely in your browser using client-side JavaScript. Your files and text are not uploaded to Tool-web's server.
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