https://github.com/coderaviverma/json-viewer-tools

Free online JSON tools for developers – viewer, formatter, validator, JSON to CSV, JWT decoder and more.
https://github.com/coderaviverma/json-viewer-tools

csv developer-tools json json-formatter json-tools json-validator json-viewer jwt jwt-decoder web-tools

Last synced: 10 days ago
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Free online JSON tools for developers – viewer, formatter, validator, JSON to CSV, JWT decoder and more.

• Host: GitHub
• URL: https://github.com/coderaviverma/json-viewer-tools
• Owner: coderaviverma
• Created: 2025-12-16T02:35:16.000Z (6 months ago)
• Default Branch: main
• Last Pushed: 2026-01-19T17:25:41.000Z (4 months ago)
• Last Synced: 2026-03-29T00:54:14.326Z (2 months ago)
• Topics: csv, developer-tools, json, json-formatter, json-tools, json-validator, json-viewer, jwt, jwt-decoder, web-tools
• Language: HTML
• Homepage: https://jsonviewertool.com/
• Size: 52.7 KB
• Stars: 1
• Watchers: 0
• Forks: 0
• Open Issues: 2
• Metadata Files:
  • Readme: README.md

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README

          
# JSON Viewer Tools

A collection of **free, fast, browser-based JSON tools** for developers, testers, and data engineers.  

All tools work **locally in your browser** — your data never leaves your machine.

🌐 Official Website: https://jsonviewertool.com

---

## 📚 Table of Contents

- [Available Tools](#-available-tools)

- [Example Usage](#-example-usage)

- [Privacy & Security](#-privacy--security)

- [Who Is This For?](#-who-is-this-for)

- [Why JSONViewerTool?](#-why-jsonviewertool)

- [Feedback & Suggestions](#-feedback--suggestions)

---

## ⭐ Popular Tools

### 🔹 Core JSON

- **JSON Viewer** — view JSON in a collapsible tree  

  https://jsonviewertool.com/json-viewer

- **JSON Formatter** — prettify / beautify JSON instantly  

  https://jsonviewertool.com/json-formatter

- **JSON Validator** — validate JSON & locate syntax errors  

  https://jsonviewertool.com/json-validator

- **JSON Minifier** — compress JSON for production  

  https://jsonviewertool.com/json-minifier

- **JSON Compare** — diff two JSON payloads  

  https://jsonviewertool.com/json-compare

### 🔁 Converters

- **YAML → JSON** — debug Kubernetes & CI configs quickly  

  https://jsonviewertool.com/yaml-to-json

- **JSON → YAML** — convert JSON configs to YAML  

  https://jsonviewertool.com/json-to-yaml

- **JSON → CSV** — export API responses to CSV for Excel/Sheets  

  https://jsonviewertool.com/json-to-csv

- **CSV → JSON** — convert spreadsheets into structured JSON  

  https://jsonviewertool.com/csv-to-json

- **JSON → XML** — integrate with legacy systems  

  https://jsonviewertool.com/json-to-xml

- **XML → JSON** — convert XML/SOAP responses to modern JSON  

  https://jsonviewertool.com/xml-to-json

- **JSON → Excel** — one-click `.xlsx` export  

  https://jsonviewertool.com/json-to-excel

### 🧠 Advanced / Developer Utilities

- **JSON Merge** — merge multiple JSON objects  

  https://jsonviewertool.com/json-merge

- **JSON Flatten / Unflatten** — handle deeply nested JSON  

  https://jsonviewertool.com/json-flatten

- **JSONPath / JMESPath** — query JSON like SQL  

  https://jsonviewertool.com/json-path

- **JSON Schema Validator** — validate JSON using schema rules  

  https://jsonviewertool.com/json-schema-validator

- **JSON Sample Generator** — generate mock JSON data  

  https://jsonviewertool.com/json-sample-generator

- **JSON Size Analyzer** — measure payload size for APIs  

  https://jsonviewertool.com/json-size-analyzer

### 🔐 Encoding & Security

- **JWT Decoder** — decode JWT header/payload/signature  

  https://jsonviewertool.com/jwt-decoder

- **Base64 Encoder** — encode text/files to Base64  

  https://jsonviewertool.com/base64-encoder

- **Base64 Decoder** — decode Base64 data  

  https://jsonviewertool.com/base64-decoder

- **UUID Generator** — generate RFC-compliant UUIDs  

  https://jsonviewertool.com/uuid-generator

### 🧰 Text & Misc

- **JSON Escape / Unescape** — escape strings safely  

  https://jsonviewertool.com/json-escape

- **Compare Clips (Text Diff)** — compare any text quickly  

  https://jsonviewertool.com/compare-clips

➡️ **Explore all tools:** https://jsonviewertool.com/

---

## Sample JSON Datasets for API Testing

📊 Dataset DOI (Zenodo): https://zenodo.org/records/18301630  

🏛 Harvard Dataverse: https://dataverse.harvard.edu/dataset.xhtml?persistentId=doi:10.7910/DVN/ZE8W9H  

🎓 ICPSR: (add once approved)

Used for:

- API testing

- JSON validation

- Parser benchmarking

- 

---

## 🧩 Ecosystem (CLI + SDK)

- 🐍 **CLI (Python / PyPI):** https://pypi.org/project/jsonviewertool-cli/

- ☕ **Java Utilities SDK:** https://github.com/coderaviverma/jsonviewertool-utils

---

## 🛡️ Privacy & Security

- No server-side processing of your JSON

- No file uploads

- Everything runs locally in your browser

---

## 🧪 Example Usage

**Validate JSON**

1. Paste JSON into the editor

2. Click validate

3. Fix errors instantly

**Convert JSON to CSV**

1. Paste JSON data

2. Convert to CSV

3. Copy or download for Excel

---

## 🔐 Privacy & Security

- No file uploads

- No server-side processing

- No tracking of JSON data

- Everything runs locally in your browser

---

## 👨‍💻 Who Is This For?

- Software Developers

- Backend & Frontend Engineers

- QA / Automation Engineers

- Data Analysts

- Students learning JSON & APIs

---

## ⭐ Why JSONViewerTool?

- Fast & lightweight

- Clean and distraction-free UI

- No login required

- Completely free to use

- Works on desktop & mobile

---

## 📌 Feedback & Suggestions

Have an idea for a new tool or improvement?  

Open an issue or reach out via the website.

🔗 Website: https://jsonviewertool.com

Also Featured on Flipboard:

https://flipboard.com/@jsonviewertool/jsonviewertool-k7ccm91fz/json-viewer-tool-free-online-json-viewer-formatter-editor/a-DxywQH1nTZitulB4hJDQwQ%3Aa%3A4165248032-e36330d7b8%2Fjsonviewertool.com