JSON Schema Faker combines JSON Schema standard with fake data generators, allowing users to generate fake data that conform to the schema.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Online


Express Lint is nine JSON and text tools on one site, all of which process your content in the browser rather than on a server. There is no account, no upload step and no server round trip for anything you paste.
Cost / License
- Free
- Proprietary
Platforms
- Online
Hjson is a syntax extension to JSON. It's NOT a proposal to replace JSON or to incorporate it into the JSON spec itself. It's intended to be used like a user interface for humans, to read and edit before passing the JSON data to the machine.
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Online
- BSD
An AI book studio that takes you from premise to a finished, KDP-ready manuscript with a designed cover — exported as PDF and EPUB.
Cost / License
- Paid
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
- Global


+7
JSON Generator generates data according to the template and saves it. Data can be requested from server using ajax with jsonp.
Cost / License
- Free
- Proprietary
Platforms
- Online

The Whois API in JSON and XML formats aims to simplify complex data forms, accessing public information for specific domains. Sample code in PHP, NodeJS, and Java are available on the main site.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- MongoDB
- Node.JS


Cost / License
- Free
- Open Source
Platforms
- Mac
- Linux


+1
OK JSON is a native and scriptable JSON formatter on macOS. It's really fast and well-integrated with macOS.
Cost / License
- Freemium
- Proprietary (Apache-2.0)
Platforms
- Mac
United Kingdom


+1
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.
Cost / License
- Free
- Proprietary
Platforms
- Online


+1
Nuxt Content is a module for Nuxt that provides a simple way to manage content for your application. It allows developers to write their content in Markdown, YAML or JSON files and then query and display it in their application.
- Global

Cost / License
- Paid
- Proprietary
Platforms
- Online
Cyprus
EU


+3
SheetDB is a tool that lets you transform your Google Spreadsheet into a fully functional JSON API in a snap. You can connect your Google Sheets with pretty much anything like CRMs, APIs, websites, WordPress, or any other app you can think of.
Cost / License
- Freemium
- Proprietary
Platforms
- Software as a Service (SaaS)
- Google Drive - Sheets
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.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online


+15
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...
Cost / License
- Free
- Proprietary
Platforms
- Online

TextQuery is a desktop app that lets you import data file as a table, query it using SQL, and create stunning charts from those results.
Cost / License
- Freemium
- Proprietary
Platforms
- Mac
- Windows

Csvq is a command line tool to operate CSV files. You can read, update, delete CSV records with SQL-like query.
Cost / License
- Free
- Open Source (MIT)
Application typeApplication types
Platforms
- Mac
- Linux
- BSD
- FreeBSD
- NetBSD
SyntaxSnap replaces dozens of generic, cloud-based developer utilities with a single, privacy-first toolkit.
Cost / License
- Free
- Open Source
Platforms
- Online
- Google Chrome

A one page application to help internet users find information about their public IP address, be it IPv4 or IPv6.
Cost / License
- Free
- Open Source (BSD-3-Clause)
Platforms
- Online


RTBkit is an open-source software package that allows you to create and deploy a Real Time Bidder for display advertising.
Cost / License
- Free
- Proprietary (Apache-2.0)
Platforms
- Linux
Blockchain timestamping and certification Software as a Service , SaaS. Woleet offers a BaaS (Blockchain as a service) platform with the following features :.
Cost / License
- Paid
- Proprietary
Platforms
- Mac
- Windows
- Linux








































































