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Lodash Online Utility

· Last updated：2026-08-04

Run a safe, curated set of Lodash helpers on JSON input.

Details

What this tool helps you do

Use JSON input and a JSON argument array with a fixed Lodash allowlist; arbitrary JavaScript is never evaluated.

Execution

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Written by the Elysia Tools team

Tool usage guide

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

Key facts

Category
Development
Input types
textarea, select
Output type
json
Sample coverage
4
API ready
Yes

Overview

Lodash Online Utility runs a curated set of Lodash array, object, and string methods on JSON input. Choose a method, provide its arguments as a JSON array, and receive the result as JSON without evaluating arbitrary JavaScript.

When to use

  • Split, filter, deduplicate, flatten, or compare JSON arrays.
  • Read, check, select, group, or reorder values in JSON objects and collections.
  • Convert strings between camelCase, kebab-case, and Start Case formats.

How it works

  1. 1Paste a valid JSON value into the Input JSON field.
  2. 2Select a Lodash method from the available allowlist.
  3. 3Enter method arguments as a JSON array, such as [2] or ["user.name", "Guest"].
  4. 4Run the utility and inspect the JSON result, including the selected method and its output.

Use cases

  • Prepare JSON arrays by splitting values into groups, removing duplicates, compacting entries, or flattening nested arrays.
  • Inspect and reshape JSON objects by reading nested properties, checking paths, or selecting and omitting fields.
  • Standardize labels and organize collections with case conversion, grouping, and ordering methods.

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Who it's for

Best for

  • Convert content in the browser.
  • Workflows where Lodash Method matters, such as Chunk or Compact.
  • The “Chunk a numeric array” workflow, done in one pass.

Not ideal for

  • Fully automated batch jobs — this page is built for interactive use; use the API endpoint for scripts.
  • Content in other formats — this tool expects content.

Edge cases & common failures

  • Very large files

    Large files take longer and can hit browser memory limits — try a smaller sample first.

  • Skipping the output check

    Compare the first rows or pages of the output with the input before using it in production.

  • Files from unusual exporters

    Some files use format variants that do not convert cleanly — if the output looks wrong, re-save the file from the app that created it and try again.

Examples

1. Split a numeric array into batches

Developer

Background

A developer needs to divide a short JSON array into groups of two for a batch-oriented workflow.

Problem

Manually partitioning the values can introduce inconsistent group sizes.

How to use

Enter [1,2,3,4,5] as the input, select Chunk, and set Arguments JSON to [2].

Input JSON: [1,2,3,4,5]; Lodash Method: chunk; Arguments JSON: [2]

Outcome

The JSON output is [[1,2],[3,4],[5]].

2. Read a nested user property

Frontend developer

Background

A developer is checking whether a nested user object contains the expected name value.

Problem

Accessing a nested path manually is slower when testing several JSON samples.

How to use

Enter {"user":{"name":"Ada"}}, select Get, and set Arguments JSON to ["user.name","Guest"].

Input JSON: {"user":{"name":"Ada"}}; Lodash Method: get; Arguments JSON: ["user.name","Guest"]

FAQ

What input does the Lodash Online Utility accept?

It accepts JSON input, including arrays, objects, strings, and other valid JSON values.

How do I provide Lodash method arguments?

Enter the arguments as a JSON array in the Arguments JSON field.

Which Lodash methods are available?

Available methods include chunk, compact, uniq, flatten, difference, get, has, pick, omit, groupBy, orderBy, camelCase, kebabCase, and startCase.

Can it execute arbitrary JavaScript?

No. The utility uses a fixed, curated Lodash allowlist and does not evaluate arbitrary JavaScript.

What format is the result?

The result is returned as JSON.

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