Jayson vs Advanced JSON Viewer

Jayson is a JSON viewer and editor for iPhone and iPad. Browse JSON as a structure, edit values, and save your changes back to the file. Whether you're inspecting an API response, checking a config file, or making a quick fix on the go, Jayson turns raw JSON into something you can actually read and change. BROWSE AND EDIT - Open JSON files stored on your device or in iCloud Drive. - Toggle between a structured table view and syntax highlighted text. - Add new values and keys, and save your changes back to the file. - Parse text or the contents of a URL from your clipboard into JSON. - Highlight a key from a child of an array to get a quick overview of your data. TABS, SPLITS, AND WINDOWS - Switch between files, or different objects in a single file, using tabs. - Compare JSON in a single file or across files using multiple splits. - Open multiple windows on the iPad. WORKS WITH SHORTCUTS Jayson integrates with Shortcuts, which comes in handy for debugging API calls, previewing JSON files, and building workflows around JSON. - Pass a response from Get Contents of URL to Jayson to see how it is structured. - Open JSON as a document you keep working on, or as a temporary preview. - Format JSON and hand the result to the next action, using spaces or tabs. FREE, WITH AN OPTIONAL UPGRADE Jayson's core functionality is free. Browsing, editing, saving, splits, Shortcuts, and working with up to two tabs at a time cost nothing. A one-time in-app purchase enables having more than two tabs open at once, switching between light and dark themes, and personalizing the app icon, accent color and type icons. One purchase, no subscription.

Advanced JSON Viewer transforms raw JSON data into an elegant, interactive viewing experience right in Safari and now supports opening and saving JSON files directly from your device. Key Features: • Open JSON Files: Open and view JSON files from your device with powerful formatting • Save JSON Files: Edit and save your JSON data directly to your device • Beautiful JSON Formatting: Instantly transforms unformatted JSON into a clean, readable format • Syntax Highlighting: Makes JSON structure easily readable with color-coded elements • Light & Dark Modes: Automatically switches between themes based on your system preferences • Customizable Themes: Choose from a wide selection of professional color schemes • Interactive Editor: Edit JSON directly in the browser with the powerful Ace editor • Settings Toolbar: Quick access to all viewing preferences in one convenient panel • Adjustable Settings: Customize font size, tab width, and other viewing preferences • Invisible Characters: Option to display invisible characters for precise editing • Fast & Efficient: Works instantly on any JSON page or file without slowing down your experience • Error Detection: Highlights JSON syntax errors as you type • Toggle Views: Switch between raw and formatted views with a single click Perfect for developers, QA engineers, API testers, and anyone who works with JSON data. Advanced JSON Viewer makes reading, editing, and saving JSON in Safari and local files a delightful experience. Built with attention to detail and performance, this app seamlessly enhances your JSON workflow whether you're browsing API responses online or examining and editing local configuration files. Available as a universal purchase - buy once and use it on Mac, iPhone, iPad, and Vision Pro.