ParseLab

About this app

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.

This is our biggest update yet. The full Pro feature roadmap is here, plus a brand new design and more languages. NEW FORMAT: ENV ParseLab now supports environment variable files (.env, .env.local and more), bringing the total to 8 supported formats. FORMAT CONVERSION SUITE (PRO) Convert between JSON, YAML, TOML, XML and CSV in a tap. Run batch conversions across many files and save reusable conversion presets. ADVANCED SEARCH AND QUERY (PRO) Find anything with powerful search, including JSONPath and XPath query support. DIFF AND COMPARE (PRO) Compare two files side by side and instantly see every change. DATA ANALYTICS AND VISUALIZATION (PRO) Explore the structure of your data with the visual data explorer and per-format statistics. AI-POWERED FEATURES (PRO) Ask questions about your data in natural language and get smart, advisory suggestions. NEW DESIGN A fully refreshed interface built on Apple's iOS 26 Liquid Glass design system, with a customizable toolbar and polished glass controls throughout. LIVE VALIDATION Duplicate keys and trailing commas are now flagged inline as you type, with a tappable issues chip. MORE LANGUAGES Added Simplified Chinese (China) and Traditional Chinese (Hong Kong), joining English, Spanish and Hindi. IMPROVEMENTS AND FIXES - Complete TOML v1.0.0 support with a stricter, spec-compliant parser - Many layout and toolbar refinements across conversion, search, diff and AI screens - Performance and stability improvements throughout Thank you for using ParseLab. As always, all processing stays on your device, and Pro is a one-time purchase with no subscriptions.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

1. First observed Sep 4, 2026 · 1:48 AM Free