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Format JSON Online vs Design Extractor

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Format JSON Online compared with Design Extractor
DetailFormat JSON Online logo Format JSON Online Design Extractor
What it doesFree online JSON formatter, validator, minifier and converter with 60+ tools for developers Turn any website into AI-ready design documentation
StageStartup Not given
Founded2025 Not given
Based inUS US
Pricing modelFree Freemium
PricingNot given Free: $0/month with 5 designs per month. Pro: $12/month with 150 designs per month, all export formats, private projects, unlimited downloads, priority queue, and design comparison. Team: $39/month with 1,000 designs per month, everything in Pro plus 5 team members, shared workspace, API access, SSO
Key features
  • JSON formatter with syntax highlighting and customizable indentation
  • JSON validator with error location and fix suggestions
  • AI-powered error fixing for common JSON issues
  • JSON minifier reducing file size by 30-50%
  • JSON to 15+ format conversions including CSV, XML, YAML, SQL, C#, Python
  • Support for files up to 100MB
  • 100% client-side processing with no server data exposure
  • Extract color tokens in OKLCH and HEX formats from any public website
  • Generate Tailwind CSS v4 configuration files automatically
  • Generate component library documentation and motion system specifications
  • Create AI-optimized system prompts for Claude Code, Cursor, and Windsurf
  • Support for Figma Tokens and Style Dictionary exports
  • Analyze dark mode and light mode color themes separately
  • Private project storage and confidential generation history
What makes it different
  • AI-powered features for automatic error fixing and data generation
  • No signup, registration or installation required
  • Trusted by 20,000+ developers worldwide
  • Deterministic extraction prevents AI agents from inventing arbitrary colors and fonts, ensuring 100% brand consistency
  • No signup required to generate your first designs
  • Works directly with Claude Code, Cursor, Windsurf, and other AI coding assistants without additional setup
  • All extracted tokens are royalty-free for commercial and agency use
  • Enterprise privacy with zero-retention mode for staging URLs
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)20 +1 (up) since last check12 no change since last check
Trust Flow (Majestic)2119
Citation Flow (Majestic)316
Referring domains (Majestic)27826

5 details filled in for both companies.

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