Unique merge
Runnable aboveUnique merge
Input
[1,2]
---
[2,3]Expected result
[1,2,3]- JSON indentation: minify
- Remove duplicates: true
Input
0 characters · 0 lines
Output
Output will appear here.
Tool options
Examples
🔒 Processed locally in your browser
Chain with…
These tools accept json output. Run this tool to enable one-click hand-off.
JSON
About Merge JSON Arrays
Merge JSON Arrays is a JSON tool that takes text input and returns json output. It runs entirely in your browser, so your input never leaves your device.
- Input
- text input
- Output
- json output
- Where it runs
- In your browser
- Chainable
- Yes
- Options
- 2 configurable
- Examples
- 1 in the catalog
Benefits
- Processed locally in your browser
- Accepts pasted text
- Input can come straight from your clipboard
- Copy the result with one click
- Download the result as a file
- Chain the output directly into another tool
Step by step
How to use Merge JSON Arrays
5 steps, all from the panel above — nothing leaves your browser.
Paste your input
Type or paste your text into the input panel above — it keeps a running character and line count as you type.
Set the options
Adjust the 2 tool options — JSON indentation, Remove duplicates.
Run the tool
Run it — the work happens in your browser, so nothing is uploaded.
Collect the result
The result appears in the output panel as json output. From there you can copy it with one click, download it as a file.
Chain it onward
The chain panel lists tools that accept this output; sending the result opens the next tool with its input already filled in.
Formats
Supported formats
What Merge JSON Arrays accepts and what it hands back.
Accepts
Pasted text content; no file upload is involved.
Produces
Returned as json output; no specific file format is declared for it. From the output panel you can copy it with one click, download it as a file.
Configuration
JSON indentation
select · default 2
Remove duplicates
boolean · default true
Examples
Examples and use cases
1 catalog example for Merge JSON Arrays. Runnable examples can be loaded from the examples panel above.
Related tools
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Prettify or minify JSON with configurable indentation and optional key sorting.
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Minify JSON
Remove all insignificant whitespace from JSON.
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Validate JSON
Check whether text is valid JSON and summarize its structure.
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JSON to CSV
Convert a JSON array of objects into CSV rows.
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Lines to JSON Array
Turn plain text lines into a JSON array of strings.
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JSON to List
Flatten a JSON array into text lines.
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FAQ
Frequently asked questions
Answers for Merge JSON Arrays, taken from the tool's own catalog definition.
Does Merge JSON Arrays run in my browser or on a server?
It runs entirely in your browser — the work happens on your device.
What input does Merge JSON Arrays accept?
text input.
What do I get back, and what can I do with it?
The result is json output. From the output panel you can copy it with one click, download it as a file.
Can I chain Merge JSON Arrays into another tool?
Yes. After a run, the chain panel lists tools that accept json output (12 compatible tools in the catalog right now) and hands the result across with one click.
Does Merge JSON Arrays need any configuration?
Yes — the tool options panel above exposes 2 settings: JSON indentation, Remove duplicates.
Do I need an account?
No. Accounts only add conveniences: favourites, recent-tool history and saved workflows.
What is included with Merge JSON Arrays?
Processed locally in your browser; Accepts pasted text; Input can come straight from your clipboard; Copy the result with one click; Download the result as a file; Chain the output directly into another tool.
Get started
Start using Merge JSON Arrays
The tool is ready above — add your text and run it. It all happens in your browser, so nothing is uploaded.