JSON Lens

Version 4 · JSON + Python dictionary support

JSON Lens Blog

Practical walkthroughs for exploring, converting, and exporting nested data.

Find your way around a large JSON response

Explore nested data with vertical Tree View, key and value search, Copy path, expand-to-depth controls, and line numbers.

Convert Python dictionaries and review JSON repairs

Convert Python dictionaries to JSON, use auto-correct for syntax errors, review the repair report, and understand duplicate-key warnings.

Format, sort, and download JSON without changing your input

Pretty-print with color-coded keys and values, sort object keys, copy the complete output, and download formatted JSON.