JSON Formatter Pro

How to install Open in Chrome Web Store

CRX ID

gbnadjkeegkhbcoeaeaoedpojlcknnhp

Description from extension meta

自动格式化和验证 JSON 及 API 响应。语法高亮、树形视图、深色模式。数据不会离开您的浏览器。

Image from store

Description from store

JSON Formatter Pro - JSON 查看器、美化器、验证器、树形视图与编辑器。Chrome 上最强大的 JSON 工具。

不要再将敏感的 API 响应粘贴到在线 JSON 格式化工具中了。JSON Formatter Pro 100% 本地运行——你的数据永远不会离开浏览器。无服务器、无追踪、无风险。

核心功能

格式化与美化 - 将压缩的 JSON 转换为整洁、缩进、语法高亮的代码。支持自定义 2/4/8 空格缩进。
验证与调试 - 精确定位 JSON 语法错误并显示行号。即时发现缺失的括号和多余的逗号。
树形视图浏览器 - 通过可折叠的交互式树形结构浏览深层嵌套的 JSON。直观地展开/折叠节点。
压缩 - 为 API 和配置文件压缩 JSON 数据。一键生成生产环境可用的输出。
自动粘贴 - 打开扩展时自动检测剪贴板中的 JSON。零阻力工作流程。
转换（Pro）- JSON 转 YAML，适用于 Kubernetes/Docker。JSON 转 CSV，适用于 Excel/Sheets。JSON 差异对比。Schema 验证。
100% 本地处理 - 所有处理均在你的设备上完成。API 密钥、令牌、凭证永远不会触及服务器。

适用人群

调试 REST API 和 GraphQL 响应的前端开发者
验证 JSON 数据的后端工程师
编辑 Kubernetes、Terraform、Docker 配置的 DevOps/SRE 团队
探索 JSON 数据集的数据分析师
验证 API Schema 的 QA 工程师
使用 Postman、cURL、DevTools 或日志文件的所有人

使用方法

1. 从任意来源复制 JSON
2. 点击 JSON Formatter Pro 图标——自动从剪贴板粘贴
3. 点击格式化——即时美化并语法高亮
4. 切换到树形视图浏览嵌套对象

快捷键：Ctrl+Shift+F（Mac 上为 Cmd+Shift+F）进行格式化

隐私保护：完全本地运行。无服务器。无分析。无追踪。无需账户。与 jsonformatter.org 或 jsonlint.com 不同，你的敏感数据始终留在你的设备上。
https://zovo.one/privacy/json-formatter-pro

免费功能：格式化、美化、压缩、验证、树形视图、复制、下载
PRO 功能：YAML 转换、CSV 导出、JSON 差异对比、Schema 验证

由 Zovo 打造——开发者为开发者精心打造的工具。
https://zovo.one | [email protected]

Latest reviews

Dylan reed 2026-03-11: I like how lightweight and easy to use this tool is. It does exactly what it promises and makes working with JSON much more convenient.
Jean Bravo 2026-03-10: useful tool for formating and coding
Hassan Zaviar 2026-03-10: JSON Formatter Pro is an exceptional Chrome extension for anyone who works with JSON regularly. Its intuitive interface allows you to view, beautify, validate, and edit JSON effortlessly. The tree view feature makes navigating nested JSON structures a breeze, while the editor mode is perfect for making quick changes directly in the browser. I particularly appreciate the validator tool, which instantly highlights errors, saving valuable debugging time. The extension is fast, responsive, and lightweight, and it integrates seamlessly with Chrome. Whether you are a developer, data analyst, or just someone working with APIs, this extension significantly improves productivity and reduces errors.
SlimCRM Marketing 2026-03-09: I used to paste API responses into online formatters without thinking twice. Then I realized how sketchy that is with real tokens and credentials. JSON Formatter Pro runs entirely in the browser — no server, no data leaving my machine. Tree view makes navigating nested objects effortless. Clean, fast, and actually private.
Luke Margret 2026-03-09: All reviews are fake
Granger Prime 2026-03-09: All reviews are fake
Kevroy Taylor 2026-03-08: JSON Formatter Pro is an absolute game-changer for developers! It instantly auto-formats and validates any JSON or API response directly in the browser, saving so much time compared to copy-pasting into separate tools. The syntax highlighting and collapsible tree view make even large JSON files easy to read, and the dark mode is perfect for long coding sessions. I love that it catches errors with clear messages and lets you toggle between raw and formatted views instantly. Plus, everything runs locally with no data leaving your browser, which makes it super secure. Hands down, one of the best developer tools I’ve added to my workflow!
Niamat Ullah 2026-03-06: JSON Formatter Pro is honestly the most powerful tool I have found on chrome for handling api responses. what makes me choose this over others is that it is way more than just a simple viewer since I can format, validate, and even minify or convert data in one click. it runs one hundred percent locally which is huge for me because my api keys and config data stay safe and never leave my browser. i love the collapsible tree view and the dark mode for those late night coding sessions.JSON Formatter Pro is honestly the most powerful tool I have found on chrome for handling api responses. what makes me choose this over others is that it is way more than just a simple viewer since I can format, validate, and even minify or convert data in one click. it runs one hundred percent locally which is huge for me because my api keys and config data stay safe and never leave my browser. i love the collapsible tree view and the dark mode for those late night coding sessions problem:there are a few downsides though that make it a bit frustrating sometimes. the auto-detection can be a little over-eager and tries to format pages that arent actually json which can mess up the view. also, while it is great for viewing, i wish the editor part had a few more advanced features for comparing two different files side by side without opening extra tabs. even with those small issues, it is still a reliable and safe tool that i use every single day for my development work.
subhan ali 2026-03-04: Since I installed it, the tab interface has been running much smoother. I especially like the 'whitelist' feature that allows me to keep my email and music tabs active at all times. Very easy to set up and make changes. Highly recommended, worth a try.
Nakshatra Nahar 2026-03-02: Great Extensions The one of the most useful stuff found on internet
Asifur Rahman 2026-03-02: This JSON formatter is a clean tool that does exactly what you need by running locally so no sensitive tokens or credentials ever leave your computer. The auto paste from clipboard is such a nice touch because your data is already there the moment you open the extension while the tree view makes navigating messy nested responses super helpful. It cleans up messy data fast and makes everything easy to read which is essential when you are working with API responses all day. Anyone who deals with JSON will find this simple and reliable tool very useful for their daily workflow.
Oyagi Akuma 2026-03-01: This helps me validate, edit, and beautify JSON in one click, the most powerful JSON tool on chrome.JSON fommerter runs 100% localy, as my data never leaves my browser, no server, no tracking, no risk. why i choose this over the others is that I get more than a viewer, as I can format, validate, minify, convert, and diff JSON. It has 100% local processing, as my API keys, tokens, and config data stay safe
Daniel Traynor 2026-02-27: Finally stopped pasting API responses into random online formatters. The fact that everything runs locally is a huge deal when your working with tokens and credentials all day. Auto-paste from clipboard is such a nice touch, just open it and your JSON is already there. Tree view is super helpful for navigating messy nested responses too. Clean tool, does exactly what you need.
Sourav Vinodkumar 2026-02-26: This JSON formatter has been very helpful for my work. It cleans up messy data fast and makes everything easy to read. I like that it runs locally, so nothing important leaves my computer. The tool is simple, quick, and reliable, which makes it easy to use every day. Anyone who deals with JSON will find it very useful.
Deniz 2026-02-24: This extension from Zovo is just as useful as the other ones I have used made by Zovo. it has made my work with json data so much easier than before by formatting raw data into a simple readable version. It's essential for anyone who works with json data frequently in addition to all that it also does everything local so your critical information stays completely safe.
SkillSet Nest 2026-02-24: Excellent tool to format JSON. It really saves time and it is easy to use.
عبدالعليم اسماعيل 2026-02-23: Good, excellent, and speeds up the work.
khang phan 2026-02-23: Really nice extension. Works really well.
Fargin tech 2026-02-22: I’ve tried several JSON formatting tools, but JSON Formatter Pro stands out as one of the most reliable and efficient extensions I’ve used. It makes working with raw JSON incredibly easy by instantly transforming messy data into a clean, readable format.
Contextly 2026-02-22: This extension is exactly what I was looking for, and then some! The UI is incredibly smooth, and it offers far more value than I anticipated. It has officially earned a permanent spot in my Chrome browser. Truly impressive work.
Lazar Antic 2026-02-21: I’ve been using JSON Formatter Pro for handling raw JSON data, and it’s been a great addition to my workflow. It instantly formats messy JSON into a clean, readable structure, which makes debugging much easier. I also like how fast and responsive it is. Simple, reliable, and very helpful for anyone working with APIs or structured data regularly.
Gimme Video 2026-02-21: Handy JSON tool for developers who work with APIs regularly. The formatting is instant and the syntax highlighting makes it easy to spot structure at a glance. I really like the validation feature that points out exactly where a JSON error is located rather than just saying it is invalid. The compare mode is useful when debugging response differences between environments. Everything runs locally in the browser which is important when working with sensitive data. The side panel integration keeps the formatter accessible without switching tabs. Clean and focused utility that does its job well.
Степан Медведев 2026-02-20: good extension !
Siim Liimand 2026-02-19: Now all my JSON files are properly formatted
Orion Ventures 2026-02-12: Simple and effective. No unnecessary bloat, just the features I needed. Love the clean design.
Yuval Rokni 2026-02-12: Very useful plugin!, I love it! Very useful, highly recommend trying it.

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