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YAML VS JSONLint

Compare YAML VS JSONLint and see what are their differences

YAML logo YAML

YAML 1.2 --- YAML: YAML Ain't Markup Language

JSONLint logo JSONLint

JSON Lint is a web based validator and reformatter for JSON, a lightweight data-interchange format.
  • YAML Landing page
    Landing page //
    2021-10-22
  • JSONLint Landing page
    Landing page //
    2023-06-18

YAML features and specs

  • Human readability
    YAML is designed to be easy to read and write for humans, with a clean and simple syntax that avoids complexity, making it ideal for configuration files where human interaction is expected.
  • Hierarchical data representation
    YAML’s support for nested and hierarchical data structures allows for clear representation of complex data relationships, making it suitable for expressing data trees and other structured data.
  • Data interchange format
    Because it is a serialization language, YAML is versatile for both data interchange between programming languages and as configuration files, offering broad applications.
  • Simplicity
    YAML’s syntax deliberately avoids the use of complex elements like semicolons, braces, and quotes, which reduces the likelihood of syntax errors and makes the language less intimidating for users.
  • Support for various data types
    YAML supports a wide range of data types including strings, numbers, lists, and maps, which allows it to accurately represent data structures necessary for most applications.

Possible disadvantages of YAML

  • Whitespace sensitivity
    YAML relies heavily on indentation for data structure definitions, which can lead to errors if the document's whitespace is not carefully managed.
  • Lack of standard libraries
    Compared to JSON or XML, there are fewer robust YAML libraries available across various programming languages, potentially increasing the effort needed to implement YAML in certain applications.
  • Not ideal for all data types
    YAML does not natively support certain data types such as binary data or date/time values, requiring workarounds or extensions, which can complicate use cases that handle such data.
  • Less performant parsing
    YAML parsing is generally slower than JSON due to its complex syntax and flexible features, which can be a drawback in performance-critical applications.
  • Security concerns
    YAML parsers can be vulnerable to certain security risks like arbitrary code execution or entity expansion attacks, requiring additional precautions during parsing and validation.

JSONLint features and specs

  • User-Friendly Interface
    JSONLint offers a simple and intuitive web interface that makes it easy to validate JSON data without the need for advanced technical skills.
  • Error Highlighting
    The tool highlights exactly where the errors are in the JSON data, making it easier to identify and correct mistakes quickly.
  • Free to Use
    JSONLint is freely accessible to anyone with an internet connection, making it a cost-effective solution for validating JSON data.
  • JSON Formatter
    In addition to validating JSON, JSONLint also offers functionality to format and beautify JSON data, improving readability.
  • Quick Processing
    The tool processes JSON data quickly, providing almost instant feedback which is useful during development and debugging.

Possible disadvantages of JSONLint

  • Internet Connection Required
    JSONLint is a web-based tool, so it requires an active internet connection to function, which can be a limitation in offline environments.
  • Basic Features
    While JSONLint is excellent for simple validation and formatting, it lacks more advanced features like schema validation or integration with development environments.
  • No API
    JSONLint does not offer an API for programmatic access, limiting its use in automated workflows and larger development pipelines.
  • Ads on the Website
    The website includes advertisements, which can be distracting for users and might affect the user experience.
  • Limited Customization
    The tool does not offer much in terms of customization options for how errors are displayed or how JSON is formatted, which might not meet all user needs.

YAML videos

YAML is for Computers. ksonnet is for Humans - Bryan Liles, Heptio (Any Skill Level)

More videos:

  • Review - YAML Release Pipelines in Azure DevOps - PRE06
  • Tutorial - Azure DevOps - How to Create a YAML Pipeline in DevOps (YAML Pipelines)

JSONLint videos

No JSONLint videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to YAML and JSONLint)
Developer Tools
61 61%
39% 39
Development
0 0%
100% 100
Configuration Management
100 100%
0% 0
Image Optimisation
0 0%
100% 100

User comments

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Social recommendations and mentions

Based on our record, JSONLint should be more popular than YAML. It has been mentiond 135 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

YAML mentions (41)

  • GitHub Actions, Devbox, and Elm
    They are defined in .github/workflows in YAML files (.yml). Use any name. - Source: dev.to / 6 months ago
  • Another Week Another Feature
    This week I implemented TOML support for DocBot made by @add00_3. First time hearing about TOML and kind of surprised this exists(we already have YAML). Implementation was pretty simple since the code was written in JavaScript and the code was very easy to read. Although it did take a minute to figure out how to run the tool since I had to run the ollama model locally in order to run the tool. I had ollama... - Source: dev.to / 7 months ago
  • The Adventures of Blink S2e2: Database, Contained
    I've mentioned a couple of times along the way that we'll have more than one docker container in this project. But we can't depend on end users to know what order to start them in, or what configurations connect them to each other. Docker provides a means of orchestrating all the containers in your app called docker-compose. This is controlled by a yaml file in the project root called docker-compose.yml. Here... - Source: dev.to / 9 months ago
  • Kubernetes Core Concepts: Building Blocks of Container Orchestration
    Deployments are created using YAML files that specify the application’s desired state. This includes the number of replicas, the container image, and update strategies. - Source: dev.to / 9 months ago
  • Python FastAPI: Implementing Non-Blocking Logging with Built-In QueueHandler and QueueListener Classes
    I have used RotatingFileHandler for logging via an external YAML configuration file before. I appreciate this approach because we can adjust the logging by tweaking the configuration file without having to refactor the code. I would like to adopt the same approach for this implementation. We will first examine the YAML configuration file and then the associated Python code. - Source: dev.to / 10 months ago
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JSONLint mentions (135)

  • How to Store Multi-Line Strings in JSON
    Or paste your JSON into JSONLint. Both tools immediately identify stray control characters. - Source: dev.to / 10 days ago
  • Chapter 1: setup, CSS, version control and SASS
    Our old pal VS Code will probably throw up some wiggly red lines if we do it wrong, so look out for them. If you're struggling to see why it doesn't work, try an online JSON Validator and see if it pushes you in the right direction. - Source: dev.to / about 2 months ago
  • JSON Unescape: Understanding and Using It Effectively
    Online Tools: Platforms like JSONLint and FreeFormatter allow users to paste JSON data and unescape it with a click. - Source: dev.to / 3 months ago
  • Mastering JSON: How to Parse JSON Like a Pro
    Most APIs love JSON; it's their go-to language. Getting the hang of its structure can help keep your boat afloat in this sea of code. JSON mistakes can have you drifting off course, so it's good practice to validate your JSON using tools like this handy validator. It's like having a spell-check for your syntax, ensuring your JSON is shipshape before you set sail with tests. - Source: dev.to / 4 months ago
  • A little help with some server side work please
    You could, but just as easy to put it here - https://jsonlint.com/. Source: over 1 year ago
View more

What are some alternatives?

When comparing YAML and JSONLint, you can also consider the following products

JSON - (JavaScript Object Notation) is a lightweight data-interchange format

JSONFormatter.org - Online JSON Formatter and JSON Validator will format JSON data, and helps to validate, convert JSON to XML, JSON to CSV. Save and Share JSON

TOML - TOML - Tom's Obvious, Minimal Language

JSON Editor Online - View, edit and format JSON online

Tools-Online.app - Free online tools for everyday tasks. Simple, fast, secure and easy to use. Works entirely in your browser – your data stays with you.

JSON Formatter & Validator - The JSON Formatter was created to help with debugging.