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RobotCheck.coffee vs jarpeek

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

RobotCheck.coffee compared with jarpeek
DetailRobotCheck.coffee logo RobotCheck.coffeejarpeek logo jarpeek
What it doesIs Your Website AI-Readable? Online JAR viewer and Java decompiler that runs entirely in your browser with no file uploads
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Free
PricingFree tool for checking individual websites. Optional API access via one-time purchases: €10 for 1,000 scans, €18 for 2,000 scans, up to €532 for 100,000 scans. API credits valid for 12 months. Not given
Key features
  • robots.txt analysis
  • llms.txt checking
  • Sitemap XML validation
  • Schema.org validation
  • Open Graph checking
  • HTML structure analysis
  • Image alt text checking
  • Performance measurement
  • Canonical tag validation
  • Hreflang checking
  • Inspect decompiled Java source code locally
  • View JVM bytecode instructions, operands, and labels
  • Explore class structure, fields, methods, and constant pool
  • Section-aware hex view of class file bytes
  • Support for JAR, WAR, and standalone CLASS files
  • Search and filter files and classes by name
  • Load remote JAR files from URLs with CORS support
  • Preview and export text and image resources
  • Web Workers for responsive decompilation
  • Safety limits for archive processing: 512 MiB input, 100,000 entries, 2 GiB expanded content
What makes it different
  • Free with no account required
  • Weekly rule updates reflecting latest LLM perception
  • Explicit rules for major AI crawlers
  • Actionable score with recommendations
  • 100% in-browser processing with no file uploads to servers
  • Privacy-first design where files are processed locally only
  • No installation, account, or Java runtime required
  • Multiple inspection views: source, bytecode, hex, and constant pool
  • Direct JAR URL loading from CORS-enabled servers
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)16 −2 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)110
Citation Flow (Majestic)2726
Referring domains (Majestic)2518

4 details filled in for both companies.

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