Uniq With

Uniq With | Online Free Tool | Elysia Tools

Tool usage guide

Learn when to use this tool, what it supports, and how real users apply it.

Key facts

Category: Data Processing
Input types: textarea
Output type: text
Sample coverage: 4
API ready: Yes

Overview

Uniq With is a powerful data processing utility that removes duplicate entries from JSON arrays by performing a deep equality comparison using the lodash library.

When to use

When you need to clean up arrays of objects that contain identical data structures.
When standard unique filters fail because they only compare object references rather than content.
When you want to ensure data integrity by removing redundant records from a JSON dataset.

How it works

1Paste your JSON array into the input field.
2The tool utilizes the lodash _.uniqWith function to iterate through your data.
3It applies _.isEqual to perform a deep comparison of every object property.
4The tool returns a cleaned array containing only unique, non-redundant objects.

Use cases

Cleaning API response data that contains duplicate user or product records.
Merging multiple data sources into a single, unique list of configuration objects.
Preparing clean datasets for frontend state management or data visualization.

Examples

1. Cleaning User List

Frontend Developer

Background

An API call returned a list of users, but some entries were duplicated due to a backend sync issue.

Problem

The UI was rendering duplicate user cards, causing a poor user experience.

How to use

Paste the JSON array of user objects into the input field to filter out the redundant entries.

[{"id": 101, "name": "Alice"}, {"id": 101, "name": "Alice"}, {"id": 102, "name": "Bob"}]

Outcome

The tool returned a clean array: [{"id": 101, "name": "Alice"}, {"id": 102, "name": "Bob"}].

2. Deduplicating Product Inventory

Data Analyst

Background

Two different inventory logs were merged, resulting in multiple entries for the same product SKU and attributes.

Problem

The total inventory count was inflated because of the duplicate entries.

How to use

Input the merged JSON array to remove objects that share identical SKU and category properties.

FAQ

What makes this different from a standard unique filter?

Standard filters often compare object references. This tool uses deep equality, meaning it compares the actual values inside the objects.

Does this tool support nested objects?

Yes, because it uses lodash's deep equality check, it can accurately identify duplicates even within nested structures.

What format should my input be in?

The input must be a valid JSON array of objects or values.

Is the comparison case-sensitive?

Yes, the deep equality check treats strings with different casing as distinct values.

Can I use this for large datasets?

It is highly efficient for most standard web-based data tasks, though performance may vary depending on the complexity and size of the objects.

[{"sku": "A1", "price": 20}, {"sku": "B2", "price": 50}, {"sku": "A1", "price": 20}]

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Learn when to use this tool, what it supports, and how real users apply it.

Key facts

Overview

When to use

How it works

Use cases

Examples

1. Cleaning User List

2. Deduplicating Product Inventory

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