JSON Dedup

Remove JSON duplicates by field

JSON Input (Array)
Dedup Result

JSON Dedup Tool Guide

Main Features

  • Field dedup - Remove duplicates by specified field
  • Keep strategy - Keep first or last occurrence
  • Statistics - Original, deduped, and removed counts
  • Multi-format export - Copy/download as JSON or CSV

Use Cases

  • Remove duplicate records from API responses
  • Database export data cleaning
  • Dedup after merging multiple data sources
  • Pre-processing before Excel/CSV import

常见问题

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