Cost / License
- Free
- Proprietary
Platforms
- Online


Json List is a lightweight, easy to use app that lets you open any JSON file and displays it in user-friendly list format. It supports Material You dynamic color.




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



A secure, local-first browser extension that packs essential developer utilities, JSON formatters, and JWT decoders directly into your toolbar.

ToolShelf is a lightweight collection of fast, browser-based developer utilities. All tools run entirely in your browser — no logins, no tracking, and full offline support.




A hardware-accelerated JSON viewer, built for people who dig through folders full of huge payloads, logs, and data dumps every day.



OK JSON is a native and scriptable JSON formatter on macOS. It's really fast and well-integrated with macOS.




JSON Online Viewer is a fast JSON tree visualizer. It is intended for small-to-medium sized JSON texts which are common in the online usage.




json formatter live - Quickly format or minify and edit JSON using keyboard shortcuts and find the app swiftly using the system-wide search after installation

DataLensia is a privacy-first, browser-based data toolkit that lets you visualize CSV datasets and work with JSON/NDJSON using tools like a JSON comparator, schema generator, editor, and converter — all processed locally.




JSON Encoder Decoder is a lightweight yet powerful web-based tool designed to help developers work efficiently with JSON data. Whether you're debugging APIs, cleaning up raw JSON responses, or validating structured data, this tool simplifies the process with one-click...

ConvertLoom is an all-in-one file conversion and formatting tool that allows users to convert images, format JSON, beautify SQL, and more—quickly and efficiently, all online.
ToolsMystro offers a wide range of free online tools, including text utilities, image editing, file conversion, and SEO tools, designed to simplify digital tasks efficiently.

Ddaverse is an all-in-one platform offering 70+ fast, lightweight, and easy-to-use online tools. It includes JSON formatting, word counting, text conversion, SIP/FD calculators, age and date tools, fake chat generation, WhatsApp messaging without saving numbers, and many more...
JSON Fixer is an online tool designed to save developers time by automatically fixing invalid JSON copied from logs, printed output, or other sources. Unlike traditional JSON formatters, JSON Fixer handles common issues specific to programming languages, such as Python’s None...

DevUtilHub provides 24+ free online developer tools including regex tester, Base64 encoder/decoder, JWT debugger, JSON formatter, hash generators, and more. All tools run entirely in your browser for maximum privacy and speed. No signup required.

JSONViewerTool is a free, browser-based suite of JSON utilities designed for developers, testers, and anyone working with APIs or structured data.



StringFlux is a free online tool for developers to simplify string transformations like JSON escape, Base64 encode, URL encode, and more — all in one streamlined, privacy-friendly interface.

JSONXMLKit is a free, browser-based toolkit designed to streamline the handling of structured data formats like JSON and XML. It offers a suite of utilities that allow developers, data analysts, and technical professionals to:




JSON Viewer is a native Mac app to visualize, validate and format JSON datasets in a clean and snappy interface.




A powerful macOS application designed for developers who work with JSON daily. Format and beautify messy JSON, validate syntax instantly, organize snippets in collections, convert between JSON and other formats, and quickly search through your saved snippets.

TurtlesTools JSON Formatter & Validator is an intuitive, easy to use and blazing fast JSON formatter & validator.

UnblockDevs is a free suite of developer tools that runs 100% in your browser — nothing is sent to servers, no signup required.




JSONReader provides a suite of powerful tools to manipulate, format, validate, and beautify JSON data efficiently. Whether you're a developer, data analyst, or just working with JSON, our tools ensure a seamless experience.


