World's simplest yaml tool
Quickly check Yet Another Markup Language syntax for errors. Enter your YAML in the input box below and you'll immediately get its syntax validated. Enter YAML, get it validated. There are no ads or downloads, and everything works right in your browser. Made for developers by developers from team Browserling.
Check out our main project! Browserling
We created Browserling – get a cloud browser in 5 seconds. Check it out!
Yaml validator tool What is a yaml validator?
This YAML validator checks the syntax of YAML (Yet Another Markup Language) data. If there are mistakes, then it returns a detailed syntax error message that explains what happened. It also tells the position of error and displays the conflicting snippet.
Yaml validator examples Click to use
Invalid YAML Syntax
Invalid YAML file. It displays and error and a explains what happened.
plain text is not yaml
Valid YAML Syntax
Valid YAML data without any errors. All checks pass and you get a green badge.
list: - entry1 - entry2 - entry3
Pro tips Master online yaml tools
You can pass input to this tool via ?input query argument and it will automatically compute output. Here's how to type it in your browser's address bar. Click to try!
All yaml tools
Quickly color code the syntax of a YAML file.
Quickly prettify a YAML configuration file.
Quickly minify a YAML configuration file.
Quickly check a YAML file for syntax errors and report them.
Quickly convert a YAML config to a JSON config.
Quickly convert a JSON file to a YAML file.
Quickly convert a YAML document to an XML document.
Quickly convert XML markup to YAML markup.
Quickly convert YAML data to CSV data.
Quickly convert a YAML dataset to a CSV dataset.
Quickly convert YAML format to TSV format.
Quickly convert TSV files to YAML files.
Quickly convert YAML to a PNG, GIF, JPG or BMP Image.
Quickly convert YAML to base-64 encoding.
Quickly convert previously base-64 encoded YAML back to YAML.
Quickly URL-escape a YAML file.
Quickly URL-unescape a YAML file.
Quickly edit a YAML file in a simple YAML editor.
Quickly generate random YAML configs.
Coming soon These yaml tools are on the way
Diff Two YAML Files
Compare two YAML files and show their differences.
Show YAML Statistics
Show detailed information about a YAML config.
Loop over YAML and truncate lists, arrays, and strings.
Create a PHP Array from YAML
Convert YAML config to a PHP data structure.
Convert YAML to Properties
Convert a YAML file to a properties file.
Convert Properties ot YAML
Convert a properties file to a YAML file.
Convert YAML to TOML
Convert a YAML file to a TOML file.
Convert TOML to YAML
Convert a TOML config to a YAML config.
Sort a YAML file by keys or by values.
Extract Strings from YAML
Find and extract all strings from a YAML file.
Extract Numbers from YAML
Find and extract all numbers from a YAML file.
Extract Comments from YAML
Find and extract all comments from a YAML file.
Remove Comments from YAML
Clean up a YAML configuration file from comments.
Visualize YAML Structure
Create an abstract image that represents YAML data.
Subscribe! Never miss an update
Notifications We'll let you know when we add this tool