JSONedit

JSONedit is a tool designed for working with JSON files. It lets you view, edit, and manipulate JSON data in a structured way. The interface is adapted to handle complex documents and supports multiple formats.

★★★★★

3.0(2 ratings)

• Hierarchical view. Displays the JSON data structure as a tree, making it easy to navigate nested objects and arrays. Nodes can be expanded or collapsed for better organization.
• Direct editing. Lets you modify values, key names, and data types right in the interface. Changes are reflected in real time without reloading the document.
• Validation support. Checks JSON syntax and flags errors such as unclosed quotation marks or incorrect separators. Indicates the exact location of problems so they can be fixed quickly.
• Advanced search. Includes a search system that locates keys or values within the document. Filters results and highlights matches in the structure.
• Export to other formats. Converts JSON files to XML, YAML, or CSV while preserving the original structure. Lets you select specific parts of the document to export.
• Document comparison. Analyzes differences between two JSON files, highlighting changes in keys, values, or structure. Shows side-by-side comparisons.
• Drag-and-drop support. Drag elements within the tree to reorganize the structure. Moves entire nodes together with their child elements.
• Multi-document editing. Opens several JSON files in separate tabs. Switch between them without losing your editing progress.
• Predefined templates. Offers templates for quickly creating common JSON structures such as arrays of objects or basic configurations.
• View customization. Adjusts the font size, colors, and tree layout to improve readability. Saves your visual preferences.
• Change history. Records the modifications made during the session, with the option to undo or redo actions step by step.
• JSON Schema support. Validates documents against predefined schemas to ensure compliance with specific standards.

JSONedit was developed by Tomasz Pajor and first released in 2011. The program is written in C++ using the Qt framework to ensure cross-platform compatibility. The first version focused on basic JSON viewing, with later updates adding editing and validation features. Development remains active, with improvements in performance and support for up-to-date standards.

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