Joker

Joker is a professional offline tool designed for developers, QA engineers, and students who need to format, validate, and debug JSON and XML code quickly on mobile devices. Stop struggling with unformatted walls of text and ambiguous error messages. What sets Joker apart is its precision and developer-first orientation. Instead of vague error alerts, Joker points to the exact line, character position, and explanation of why a document failed validation. Intelligent auto-detection automatically recognizes whether you are working with JSON or XML without extra taps. CORE FEATURES: Beautiful Formatting: Instantly transform messy code into a clean, properly indented structure. Real-Time Validation: Your document is continuously checked as you type to catch issues immediately. Precise Error Reporting: Get exact line numbers, character positions, and plain-language explanations. Syntax Highlighting: Keys, values, and tags use clear color coding for high readability. Smart Mode Detection: Automatically switches between JSON and XML input. Auto-Format on Paste: Instantly format content the moment it enters the editor. Snippet History: Save previous documents and easily resume work where you left off. Adjustable Indent: Set your preferred depth to match your team style. Copy to Clipboard: Move formatted or compressed results anywhere with a single tap. HOW IT WORKS: Paste or type your JSON or XML into the Joker editor. Watch real-time validation instantly pinpoint any syntax issues. Tap to format or minify your text with adjustable indents. Copy the clean output or use snippet history to revisit older files. IDEAL FOR: Developers debugging API responses or configuration files on the go. QA engineers verifying payloads and structured test data. Anyone handling raw JSON or XML data who needs reliable offline tools. PRIVACY & SECURITY: No account creation required, no cloud synchronization, no ads, and no tracking. Everything you format and validate stays strictly and securely on your device. Stop struggling with messy data. Install Joker and confidently format, validate, and fix your JSON and XML right from your phone!

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