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JSONLint VS DevKnife

Compare JSONLint VS DevKnife and see what are their differences

JackHamr
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Contents:
  1. ยป Base Details
  2. ยป Reviews
  3. ยป Alternatives

JSONLint logo JSONLint

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

DevKnife logo DevKnife

One app for your daily dev tasks
  • JSONLint Landing page
    Landing page //
    2023-06-18
  • DevKnife
    Image date //
    2025-04-01

DevKnife is a macOS app that puts everyday developer tools in one place. It includes a JSON editor and formatter, text compare, JWT decoder, IP location lookup, port scanner, and many more.

Instead of switching between websites, CLI tools, and separate apps, you can open DevKnife and handle these tasks quickly in one native app.

JSONLint

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

DevKnife

Website
devknife.app
$ Details
paid Free Trial $19.0 / One-off
Platforms
MacOS Mac Mac OSX
Release Date
2025 September
Edit details

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.

DevKnife features and specs

No features have been listed yet.

Analysis of JSONLint

Overall verdict

  • Yes, JSONLint is a good tool for validating and formatting JSON. It is reliable, easy to use, and widely recommended by developers for ensuring the correctness and readability of JSON data.

Why this product is good

  • JSONLint is considered good because it provides a simple and effective way to validate and format JSON data, helping developers quickly identify and correct errors in their JSON structures. Its user-friendly interface and straightforward functionality make it accessible to both beginners and experienced developers.

Recommended for

  • Developers working with JSON
  • Web developers
  • API developers
  • Anyone needing to validate JSON data

Analysis of DevKnife

Overall verdict

  • I don't have verified information about DevKnife (devknife.app) in my knowledge base, so I can't confirm its features, reliability, or user satisfaction with certainty. Based on the name, it appears to be a developer utility/toolkit application, but you should verify directly through the website, user reviews, and community feedback before deciding.

Why this product is good

  • Unable to confirm specific features or capabilities without direct access to current product information
  • Cannot verify user reviews, ratings, or real-world performance data
  • No confirmed information about pricing, support quality, or update frequency

Recommended for

  • Developers who should independently research and test the tool before adopting it
  • Users willing to check recent reviews on platforms like Product Hunt, GitHub, or developer forums
  • Teams who want to verify security and privacy practices directly with the vendor before use

Category Popularity

0-100% (relative to JSONLint and DevKnife)

JSONLint

DevKnife

Developer Tools
94 94%
Developer Tools
6% 6
Productivity
0 0%
Productivity
100% 100
Development
100 100%
Development
0% 0
Image Optimisation
100 100%
Image Optimisation
0% 0

Questions & Answers

As answered by people managing JSONLint and DevKnife.

What makes your product unique?

DevKnife's answer:

DevKnife is a lightweight, native macOS app that bundles everyday developer utilities into one place. Instead of switching between separate websites, CLI tools, or multiple apps, you can handle tasks like JSON formatting, WHOIS lookups, port scanning, JWT decoding, hashing, and more from a single, fast, offline-friendly tool.

Its uniqueness comes from combining these small but essential tools into a consistent, Mac-native experience.

User comments

Share your experience with using JSONLint and DevKnife. 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 138 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.

JSONLint mentions (138)

  • I Finally Built a Mac App (After Years of Someday)
    I've been maintaining jsonlint.com for years. It's a simple JSON validator that I enjoy hacking on every now and then. Nothing fancy, just a useful tool that developers seem to appreciate. - Source: dev.to / 6 months ago
  • # Complete Guide to RAG Evaluations in Amazon Bedrock
    Note: It is crucial that your batchinput.jsonl file is correctly formatted. You can use online JSON formatters and validators like jsonformatter.org or jsonlint.com to verify its integrity before proceeding. - Source: dev.to / 10 months ago
  • From Readable to Lightweight: Understanding JSON Minification
    Online Tools: Websites like JSONLint or jsonformatter.org let you paste JSON and get a minified version instantly. - Source: dev.to / 10 months ago
  • How to Store Multi-Line Strings in JSON
    Or paste your JSON into JSONLint. Both tools immediately identify stray control characters. - Source: dev.to / about 1 year 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 / over 1 year ago
View more

DevKnife mentions (0)

We have not tracked any mentions of DevKnife yet. Tracking of DevKnife recommendations started around Apr 2025.

What are some alternatives?

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

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

DevToys - A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.

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

CyberChef - The Cyber Swiss Army Knife

JSON Editor Online - View, edit and format JSON online

SafeUtils - SafeUtils: Native MacOS, Linux and Windows desktop application with 110+ carefully crafted tools for yours and your teams everyday work with sensitive data in various formats.

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