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JSON Array Deduplicator
Remove repeated JSON values or objects sharing a nested property value.
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No uploadsYour files stay on this device.
Local engineYour browser does the work.
Auto cleanupTemporary memory is released.
About this tool
Use json array deduplicator without uploading files
Remove repeated JSON values or objects sharing a nested property value. JSON Array Deduplicator runs in the current browser session, giving you a direct result without sending the source to a Filemazing processing server.
Processing takes place in your browser tab. Temporary working data is released when you leave or reload the page.
Three steps
- Choose or paste the structured input for JSON Array Deduplicator.
- Select the columns, keys, order, or transformation rules to apply.
- Review a sample of the transformed result before downloading it.
Useful for
Common deduplicate json tasks
- Using deduplicate json without an upload queue
- Cleaning private exports
- Preparing structured data imports
Practical details
What to know before you start
A transformed data file from JSON Array Deduplicator
- Keep an untouched source export so transformed rows can be audited.
- Inspect identifiers, dates, delimiters, and blank values before importing the result.
- Review the JSON Array Deduplicator result before using it in an important workflow.