JSON Diff Tool
Compare two JSON files side by side and see the differences highlighted. Free online JSON diff tool with advanced comparison options.
Upload Original
Select your original JSON file
Upload Modified
Select your modified JSON file
Configure Options
Set comparison preferences
Compare & Export
View results and export if needed
Drop your original file here, or click to select
Accepts JSON files
Drop your modified file here, or click to select
Accepts JSON files
See line-by-line differences with syntax highlighting. Support for both text-based and structured data comparison.
Choose between unified diff, side-by-side comparison, and structured data analysis for JSON files.
Export your diff results in standard unified diff format for use with version control systems or documentation.
Structure Analysis
Compare JSON object structures and detect schema changes.
Nested Object Support
Handle complex nested JSON structures with deep comparison.
Array Comparison
Compare JSON arrays element by element with position tracking.
Pretty Formatting
View differences in beautifully formatted, indented JSON.
Privacy & Security
Your files are processed locally in your browser. No data is uploaded to our servers, ensuring complete privacy and security of your JSON files.