Free JS Object Merging Utility

Merging nested JavaScript objects is a pain.

Object.assign does a shallow merge. Spread syntax overwrites nested keys. You end up writing custom recursion logic every time.

I built a free tool that solves this.

What it does:

• Deep merges two nested objects
• Lets you control array concatenation
• Handles key collisions
• Shows the result side-by-side

Use cases:

• Combining API responses
• Merging config objects
• Debugging nested state updates
• Comparing object structures

Privacy:
100% client-side. Nothing uploaded.

Try it: tools.kandz.me/object-merger

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