JSON Formatter Online

What it does

Toolkernel JSON Formatter is a free, privacy-first JSON tool that runs entirely in your browser. ✨ Format & beautify minified JSON with syntax highlighting ✅ Validate syntax with exact line & column error positions ⚖️ Compare two JSON files side-by-side with smart diff 🔧 Auto-fix common errors (trailing commas, missing quotes) 📦 Minify JSON for production 🔄 Generate TypeScript interfaces from JSON 🔍 Search within large JSON structures

• 
  JSON Formatter and Validator2022 · ▲81

  Useful JSON online tools

• 
  JSON FormatterMay 2026 · formatjson.online · ▲2

  Beautify, validate & convert JSON — free, no login and fast.

• 
  Free JSON FormatterJun 2026 · tools.bmjapps.in · ▲3

  Format, validate and minify JSON instantly

• 
  JSON Parser ProJul 2026 · freejsonparser.com · ▲3

  Free JSON toolkit — format, validate, diff & repair

• IM
  I made a tool which fixes broken JSONs2024 · prakhar897.github.io · ▲29
• 
  Dev JSON ToolsFeb 2026 · ▲1

  Fast JSON tools for developers — format, diff & convert

• 
  Dograh▲592

  The open source VAPI alternative

  Dev tools · 25d ago · dograh.com

• 
  Meridian▲530

  Don't let your work go unnoticed. Get promoted!

  Dev tools · 20d ago · meridiona.com

• 
  x1▲516

  Lovable for iPhone apps go from idea to App Store

  Dev tools · 11d ago · x1.new

• 
  Computable GPU Index (CGI)▲424

  The first open-source price index for GPU compute

  Dev tools · 10d ago · getcomputable.com

• 
  Open-Source eInk Bike Computer▲404

  OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.

  Dev tools · 2d ago · opentrailpaper.com

• 
  The GTM Co-Founder▲402

  Open-source GTM skills for technical founders

  Dev tools · 29d ago · gtmcofounder.com

• 
  Rork Max▲1,430

  Best AI for iOS apps. Website that replaces Xcode

  Life & fun · Feb 2026 · rork.com

• 
  happycapy▲1,367

  The agent-native computer, for the rest of us

  AI · Feb 2026 · happycapy.ai

• 
  SuperX▲902

  All-in-one growth OS for serious 𝕏 creators

  AI · Feb 2026 · superx.so

• 
  KiloClaw▲871

  Hosted OpenClaw. No Mac mini required.

  Dev tools · Feb 2026 · kilo.ai

• 
  Lovon AI Therapy▲802

  Talk it out and feel better

  AI · Feb 2026 · lovon.app

• 
  Claude Opus 4.6▲764

  Claude’s most advanced model for agentic tasks

  AI · Feb 2026 · anthropic.com