JSONLint Alternatives

JSONLint is described as 'JSON Lint is a web based validator and reformatter for JSON, a lightweight data-interchange format' and is an app. There are more than 10 alternatives to JSONLint for a variety of platforms, including Web-based, Mac, Linux, Flathub and Flatpak apps. The best JSONLint alternative is DevToys, which is both free and Open Source. Other great apps like JSONLint are DevToys for Mac, DevHub App, CodeSwissKnife and Bodev.

JSONLint
  4
  • Free • Open Source
  • ...

JSON Lint is a web based validator and reformatter for JSON, a lightweight data-interchange format.

More about JSONLint
More about JSONLint
JSONLint alternatives page was last updated Apr 28, 2025
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  1. DevToys icon

    DevToys

     26 likes
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    DevToys is a Swiss Army knife for developers for Windows & Apple macOS. DevToys helps in daily tasks like formatting JSON, comparing text, testing RegExp. No need to use many untruthful websites to do simple tasks with your data.

    39 DevToys alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • FR flagFrance
    • European Union flagEU

    Platforms

    • Windows
    • Mac
    • Linux
    DevToys screenshot 1

    Top DevToys Features

    1.  Works Offline
    2.  Base64 decode
    3.  YAML to JSON
    4.  Checksums verification
    5.  Extensible by Plugins/Extensions
    6.  Ad-free
    7.  JSON to YAML
    8.  Image to Base64
    9.  Date picker
    10.  Base64 Encode
    11.  Compare Text
    12.  Generate Lorem Ipsum

    DevToys VS JSONLint

     

    • DevToys is the most popular Windows, Mac & Linux alternative to JSONLint.

    • DevToys is the most popular Open Source & free alternative to JSONLint.

    • DevToys is Free and Open SourceJSONLint is also Free and Open Source
  2. DevToys for Mac icon

    DevToys for Mac

     7 likes
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    Swiss Army knife for developers on MacOS.

    35 DevToys for Mac alternatives

    License model

    • Free • Open Source

    Platforms

    • Mac
    Home
    Discontinued

    The GitHub repository has been archived in June 2024.

    DevToys for Mac Features

    1.  Swift

    DevToys for Mac VS JSONLint

     
  4. DevHub App icon

    DevHub App

     3 likes
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    DevHub is a feature-rich offline application, carefully crafted to support developers' daily tasks and ensure the highest security of their data.

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • CN flagChina

    Platforms

    • Mac
    DevHub App screenshot 1

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  Works Offline
    2.  Dark Mode
    3.  No Tracking
    4.  Ad-free
    5.  Text to Speech
    6.  Watermark images
    7.  Password Generator
    8.  Image to Base64
    9.  NPM
    10.  All in one
    11.  Blur Filter

    DevHub App VS JSONLint

     
  5. CodeSwissKnife icon

    CodeSwissKnife

     2 likes
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    Feature-packed developer toolkit. Includes text conversion, encoding, UUID generation, cryptography, color conversion, JSON/XML formatting, and more for simplified, efficient development tasks without online data transmission.

    38 CodeSwissKnife alternatives

    License model

    • Free • Proprietary

    Platforms

    • Mac
    CodeSwissKnife screenshot 1

    CodeSwissKnife Features

    1.  Works Offline
    2.  Ad-free
    3.  No registration required
    4.  No Tracking
    5.  URL Decoding
    6.  Swiss Army Knife Tool
    7.  Base64 Encode
    8.  URL Encoding
    9.  Base64 decode

    CodeSwissKnife VS JSONLint

     
  6. Bodev icon

    Bodev

     1 like
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    Bodev is a developper toolbox, optimized for having many tools, especially for low-level developpers, including tools such as a CBOR parser, and other binary related tools.

    License model

    • Free • Open Source

    Country of Origin

    • FR flagFrance
    • European Union flagEU

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Bodev screenshot 1

    Bodev Features

    1.  Dark Mode
    2.  Works Offline
    3.  Ad-free
    4.  No registration required
    5.  Hex Editor
    6.  Support for regular expressions

    Bodev VS JSONLint

     
  7. Text-Utils icon

    Text-Utils

     1 like
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    Text-Utils.com provides tools for formatting source code, converters, tools for handling text, such as remove duplicate characters, empty lines, text sorter and many others.

    License model

    • Free • Proprietary

    Platforms

    • Online
    Text-Utils screenshot 1

    Text-Utils Features

    1.  Code Formatting
    2.  Image sorting

    Text-Utils VS JSONLint

     

    • Text-Utils is the most popular Web-based alternative to JSONLint.

    • Text-Utils is Free and ProprietaryJSONLint is Free and Open Source
  9. onlinetoolhub.dev icon

    onlinetoolhub.dev

     2 likes
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    Free and privacy-first online tools for developers, students, and creators — including IP lookup, Base64 decoder, JSON formatter, crontab generator and more.

    License model

    • Free • Proprietary

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Online
    onlinetoolhub.dev screenshot 1

    onlinetoolhub.dev VS JSONLint

     
  10. JSONFormatter.org icon

    JSONFormatter.org

     4 likes
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    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.

    License model

    • Free • Proprietary

    Country of Origin

    • IN flagIndia

    Platforms

    • Online
    JSON Editor

    JSONFormatter.org Features

    1.  JSON Pretty Print

    JSONFormatter.org VS JSONLint

     
  11. Dev Toolbox icon

    Dev Toolbox

     2 likes
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    If you're tired of endlessly looking online for the right tool, or to find again that website of which you don't recall the name to do a quick conversion, this is the right app for you.

    License model

    • Free • Open Source

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Dev Toolbox screenshot 1

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  Dark Mode
    2.  No registration required
    3.  No Tracking
    4.  Ad-free
    5.  Works Offline
    6.  JSON to YAML
    7.  Compare Text
    8.  Generate Lorem Ipsum

    Dev Toolbox VS JSONLint

     
  12. JSON Formatter & Validator icon

    JSON Formatter & Validator

     3 likes
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    The JSON Formatter was created to help folks with debugging. As JSON data is often output without line breaks to save space, it can be extremely difficult to actually read and make sense of it. This tool hoped to solve the problem by formatting and beautifying the JSON data so...

    License model

    • Free • Proprietary

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    JSON Formatter & Validator screenshot 1

    JSON Formatter & Validator Features

    1.  JSON Pretty Print
    2.  Bookmarklets

    JSON Formatter & Validator VS JSONLint

     
  13. Tool Slick JSON Formatter icon

    Tool Slick JSON Formatter

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    Online tool to Format, indent & beautify JSON text with syntax highlighting & ability to expand/collapse the objects in a tree like structure.

    License model

    • Free • Proprietary

    Platforms

    • Online

    Tool Slick JSON Formatter VS JSONLint

     

  14. Best Programming Toolkit

     1 like
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    Online tool for format/indent JSON string or XML string. calculate MD5/SHA-1/SHA-256/SHA-512 hash. Online Ping/nslookup/traceroute.

    License model

    • Free • Proprietary

    Platforms

    • Online
    Best Programming Toolkit screenshot 1
    Discontinued

    The website has been removed

    Best Programming Toolkit Features

    1.  SHA512
    2.  Trace Route
    3.  SHA256

    Best Programming Toolkit VS JSONLint

     
12 of 18 JSONLint alternatives