package.json dependency diff

Compare declared dependency ranges across package.json files and spot additions, removals, version changes and section moves.

01 Input

YOUR INPUT

02 Output

LOCAL RESULT

QUICK GUIDE / 09

How to use

Select Load example to restore the sample, or replace the labeled inputs with your own values.
Review the options and select Run tool. No input is sent to a server.
Changes refer to declarations, not installed versions or a security advisory.
Inspect the result, then copy or download it. Clear removes visible inputs and output.

A worked example

Load example restores these values.

Original package.json:
{"dependencies":{"react":"^18.0.0"}}

Updated package.json:
{"dependencies":{"react":"^19.0.0","vite":"^6.0.0"}}

Expected result

dependencies / react: ^18.0.0 → ^19.0.0
dependencies / vite: (absent) → ^6.0.0

Scope & limitations

Checks dependencies, devDependencies, peerDependencies and optionalDependencies only. Does not contact npm or resolve lockfiles. JSON numbers use JavaScript binary64 precision; keep large exact identifiers as strings. Numeric overflow is rejected.

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package.json dependency diff

01 Input

02 Output

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