How to use the JSON Color Highlighter
Highlight your JSON with color:
1
Paste your JSON
Paste any valid JSON string into the left input pane. The tool will automatically parse and format the string natively with a 2-space indentation.
2
Choose a theme
Use the dropdown to toggle between 6 popular editor themes, dynamically rendering Prism syntax colors: VS Code Dark, VS Code Light, Dracula, Material Dark, Nord, or Solarized Light.
3
Toggle readability filters
Check 'Line Numbers' to show exact line references, or 'Wrap Lines' to prevent horizontal scrolling on dense string payloads.
4
Copy output
Click 'Copy JSON' to quickly push the perfectly indented, syntax-formatted raw code block to your system clipboard.
When to use this tool
Use this for a beautiful read-only view of JSON:
- →Preparing a highly readable, color-coded JSON payload to screenshare during a technical presentation.
- →Reviewing complex deeply nested JSON configuration files with clear property boundary colors.
- →Formatting an unminified JSON string to match your IDE's specific color scheme (e.g., Dracula or Nord).
- →Reading a massive JSON webhooks payload without risking accidental edits in a text editor.
- →Copying perfectly indented, syntax-colored JSON string references into technical PR descriptions.
Frequently asked questions
Q:What styling mapping is used for highlighting?
We use the Prism JS syntax highlighter internally, mapped specifically to the generic JSON grammar. It tokenizes property names, string values, booleans, and numbers based on predefined regular expressions.
Q:How does it handle nested objects and arrays?
The tool auto-formats all nested structural objects using a recursive 2-space indentation mapping. Parent-child relations are visualized strictly through standardized indentation and code line numbers.
Q:How do I use the highlighted output?
You can use the built-in 'Copy JSON' button to grab the perfectly indented 2-space raw string to paste into Markdown code blocks on GitHub, Slack, or Jira. Note that the copied text is raw string, not HTML.
Q:Are my sensitive JSON payloads tracked?
No. The Prism syntax highlighting engine and React layout calculations run securely within your local browser process. We never upload your JSON.
Q:What themes are supported?
We selected six of the most recognizable UI editor themes to maintain syntax familiarity: VS Code Dark, VS Code Light, Dracula, Material Dark, Nord, and Solarized Light.