Json Editor Free Tool Add remove replace

JSON Editor & Data Transformer

Edit, transform and export JSON data into multiple formats.

1. Input JSON

2. Operation

Keep JSON

Delete Key

Add Key to All Objects

Replace Key

Replace Value

Sort Keys

3. Output Format

JSON
.json

GeoJSON
.geojson

JSON Lines
.jsonl

JSON Schema
.json

JSON:API
.json

JSON-LD
.jsonld

4. Generated Output

Output: JSON File: output.json

Generating Output

Preparing...

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Duplicate Value Checker and Remover

Data Duplicate Finder & Extractor

Find unique values, detect duplicates, count frequencies, and copy your results in multiple formats.

Input & Options

Paste Your Data

Value Separator Line Break Comma (,) Tab Custom Character

Trim leading and trailing whitespace Case-insensitive comparison (Data = data = DATA)

How it works

1. Paste your data.
2. Select the separator.
3. Choose whitespace and case options.
4. Results update automatically.
5. Select a copy format and copy the result.

Waiting for data...

Total Items: 0

Unique Values Each distinct value appears once

Unique: 0

JSON Array Horizontal Comma-Separated Vertical Comma-Separated Plain Vertical List

Editable output Generated

Duplicate Values Values appearing two or more times

Duplicates: 0

JSON Array Horizontal Comma-Separated Vertical Comma-Separated Plain Vertical List

Editable output Generated