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Tools-Online.app VS JSONLint

Compare Tools-Online.app VS JSONLint and see what are their differences

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Tools-Online.app logo 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.

JSONLint logo JSONLint

JSON Lint is a web based validator and reformatter for JSON, a lightweight data-interchange format.
  • Tools-Online.app Tools-Online.app
    Tools-Online.app //
    2025-04-21

Discover tools-online.app - your browser's new best friend for development tasks! This snappy collection of free web tools runs entirely in your browser, keeping your data right where it belongs - with you. Jump between powerful code editors for Julia, Go, TypeScript and more, visualize with Mermaid diagrams, validate your YAML files, or compare datasets side-by-side. No downloads, no setup hassles - just fast, secure tools organized into handy categories that make everyday coding and data tasks a breeze. Whether you're debugging SQL, formatting JSON, or crafting HTML, these browser-based utilities are ready when inspiration strikes. Check back often as new tools are added regularly to streamline your workflow!

  • JSONLint Landing page
    Landing page //
    2023-06-18

Tools-Online.app

Website
tools-online.app
$ Details
free
Platforms
Web Mobile
Release Date
2025 April
Startup details
Country
United States
State
NY
City
New York City
Founder(s)
Kushal Gohil
Employees
1 - 9
Edit details

JSONLint

Website
jsonlint.com
$ Details
-
Platforms
-
Release Date
-
Edit details

Tools-Online.app features and specs

  • Development tools
    json, yaml, mermaid diagrams, cron
  • Productivity Tools
    time zone comparison, data comparison, markdown editing, AI Notepad,
  • Programming Languages
    HTML/CSS/JS, TypeScript, Python, Php, Ruby, Go, Lua, Julia, C++, SQL, etc

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.

Category Popularity

0-100% (relative to Tools-Online.app and JSONLint)

Tools-Online.app

JSONLint

Text Tools
100 100%
Text Tools
0% 0
Development
0 0%
Development
100% 100
Web Tools
100 100%
Web Tools
0% 0
Image Optimisation
0 0%
Image Optimisation
100% 100

User comments

Share your experience with using Tools-Online.app and JSONLint. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, JSONLint seems to be more popular. 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.

Tools-Online.app mentions (0)

We have not tracked any mentions of Tools-Online.app yet. Tracking of Tools-Online.app recommendations started around Apr 2025.

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 / 11 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 Tools-Online.app and JSONLint, you can also consider the following products

Tools & Calculators - Easy to use calculators to help you stay on top of your finances

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

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

JSON Editor Online - View, edit and format JSON online

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

Mermaid - Create diagrams and visualizations using text and code.

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