Feature spec
Goal: Send a clear invoice after finishing a job.
- Add a client, line items, a due date, and payment instructions.
- Preview the total before exporting a PDF.
- Keep an editable draft if export fails.
JSON Editor is a tree & text editor for JSON, JSON5 and JSON Lines data formats
$7.99 · In-app purchases
Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
A product spec, screen plans, and build steps for your coding agent.
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Combine features and design from your favorite apps.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.
States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.
Hypothesis: Contractors need faster repeat invoices more than more templates.
First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.
The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.
Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.
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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for JSON Editor: map the core Developer Tools workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.
Hypothesis 1
Assumption to check: Limited validation features for complex JSON structures
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Poor user experience with large JSON files
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of collaborative features
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No export options for edited JSON
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
JSON Editor is a tree & text editor for JSON, JSON5 and JSON Lines data formats. In a clean and user-friendly interface, it allows you to create, visualize, modify, validate, format and save your JSON documents. Along with the included HTTP Client, is a powerful tool to inspect and debug your API endpoints. JSON Editor has the smarts needed to make the minimum changes when editing a file, even in the tree mode. This is especially useful when you keep the files in a repository, because only the relevant changes will be shown when diff-ing the edited files. JSON Tree Editor • Presents the JSON in a "tree" like interface, making easier to understand how the data is structured • Makes the process of editing JSON data error-free and way more easier than dealing with raw text • Its selection is automatically reflected in the text editor JSON Tree Editor - Features • Select multiple sibling elements • Cut, copy, paste, duplicate, delete and reorder elements, even when multiple elements are selected • Find & replace text in the JSON elements. Support for "Regular Expression" is included, too • Choose where the Find & replace will take place: in "Key" or "Value" column or both • Sort elements, either by clicking one of the column headers or using the dedicated panel • Set label for child objects to help you understand what each object represents • Edit the elements, even when multiple ones are selected (via "Edit -> Edit Value...") • Copy elements as Swift or Obj-C objects, JSON data or PLIST data • Paste JSON data • Embed elements in array or object • Shift elements left or right • Move elements up or down • Row height which accommodates multi-line text • JSON5 comments can be viewed in the leftmost column by hovering the cursor over the indicator • Increase and decrease font size for better readability • Undo & redo • Customization options available in "Settings -> View & Edit -> Tree Editor" JSON Text Editor • Offers a convenient way to interact with the JSON's textual content and to investigate invalid JSONs • The changes made in the text editor can be synchronized with the tree editor • Make the JSON document human readable or compact, even if it is not entirely valid JSON Text Editor - Features • JSON validation • Syntax coloring, auto-indentation and line numbers • Customize the font and its size • Change editor's location (right or bottom) • Toggle the visibility of the the text editor • Show (or hide) invisible characters, like tab or new lines • Find & replace • Undo & redo • Customization options available in "Settings -> View & Edit -> Text Editor" Folder Browser • Browse folders' content by dragging them on the app's Dock icon or by using "File → Open" panel • Choose JSON files to make quick edits or to view their content Snippets • Save JSON elements for later reuse • Access the Snippets by clicking the corresponding toolbar button Quick Look Preview Extension • Preview the JSON files in Finder using the Quick Look extension provided by the app HTTP Client • Perform HTTP requests (GET, POST, PUT, DELETE, HEAD) • Create folders to group the requests - very handy to group the projects or APIs you're working with • Automatically detects if response is text or binary, allowing you to preview or save the binary one • HTTP authentication (basic, digest) and Proxy authentication, with Keychain integration • Support for OAuth 2.0 - use the built-in providers or add custom ones • Once you have added and setup an OAuth 2.0 authorization you can attach it to a HTTP request - JSON Editor will take care of refreshing and attaching access token to the HTTP request • Export and import HTTP requests and OAuth authorizations Other Features • Dark mode, including a beautiful "black" mode • Auto Save & Versions, including the possibility to disable them • Detect when the file is changed by another application • Fullscreen • Services integration • Command-line/Terminal integration
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
From the Build Kit assessment.
A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.