ParseLab

ParseLab is the professional data format editor for iPhone and iPad. View, edit, validate, convert and compare your config and data files with a fast, native app built for iOS 26 and the Liquid Glass design. SUPPORTS 8 FORMATS JSON, YAML, TOML, XML, PLIST, INI, ENV and CSV. Open the file, and ParseLab detects the format automatically. FREE FEATURES - View and edit all 8 file formats - Beautiful syntax highlighting - Tree view navigation for hierarchical data - Live CSV spreadsheet table view - Inline validation that flags duplicate keys and trailing commas as you type - Basic schema validation - File info and per-format statistics - Light and dark themes - Built-in sample files to get started - Works completely offline - No ads, no tracking, no accounts PARSELAB PRO (one-time purchase, no subscription) - Format conversion suite: convert between JSON, YAML, TOML, XML and CSV in a tap - Batch conversion and reusable conversion presets - Advanced search and query tools, including JSONPath and XPath - Diff and Compare: spot every change between two files - Data analytics and visual data explorer - AI-powered features: natural language queries and smart suggestions - Premium syntax themes - Schema validation for JSON - Export with custom formatting - Unlimited file size and unlimited recent files history PERFECT FOR - Developers working with configuration files - API testing and debugging - Data analysis and exploration - Editing config files on the go - Learning and exploring file formats WHY PARSELAB - Native app built for performance on iOS 26 - Privacy first: all processing happens on your device - One-time Pro purchase, no subscriptions, no recurring fees - Available in English, Spanish, Hindi, Simplified Chinese and Traditional Chinese - Regular updates and responsive developer support Download ParseLab today. Start with the generous free tier, and upgrade to Pro when you need conversion, advanced search, diff and analytics.