Sites and apps similar to JSON OS include JSON Crack, which is free and open source. Other options are Boop, 10015.io, fx and JSON BANG!. You're spoiled for choice with JSON Viewers like JSON OS: we list more than 50 alternatives for Mac, Windows, Linux and self-hosting.
JSON Sage is a free online tool that helps developers visualize, validate, format, and edit JSON data instantly. It features a clean and modern interface with both tree view and code editor view, making it easy to explore and manipulate complex JSON structures.
Free online tool to convert between various data formats including Javascript, JSON, HTTP Query String and more.
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.
Need to convert a XML file to JSON? This online converter allows you to convert between XML and JSON within few seconds. While the XML format is a markup language designed to define encoding rules for documents the JSON format is focused on human readable text to transmit data...
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.
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:
United Kingdom
JSON Purrser is a free, browser-based JSON viewer with smart field detection, code generation, and data visualization. No signup required — just paste and go.
Sweden
EU
Stack Online Tools is a free all-in-one web-suite offering 100+ utilities for text, code, SEO, encoding/decoding and more—built for developers, content creators and marketers.
Application allows to view and edit simple and complex JSON documents in spreadsheet view (like Microsoft Excel), preview images stored in Base64 JSON string, navigate through document hierarchy, etc. Also JSON and XML files can be exported (converted) to CSV, TSV, Microsoft...
CodePrettify is a privacy-first developer workspace for formatting, validating, repairing, querying, comparing and converting JSON and other structured text. It supports JSON, JavaScript, CSS, XML, RSS, YAML, TOML, CSV and Markdown, with tree navigation, JSONPath, document...
Norway
JSON Hero is an open-source, beautiful JSON explorer for the web that lets you browse, search and navigate your JSON files at speed. 🚀.
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.
United States
