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.