Compare locally entered payslip deductions between two periods and flag significant changes without an entered explanation.
See a sample result
Useful to know
Which inputs and sources does this tool use?
Only the values you enter are used. The example is illustrative and is not an official rate or account quote.
What is included in the downloads?
CSV exports contain all result rows, including those outside the visible preview page. Spreadsheet-formula-like text is prefixed with an apostrophe in CSV; JSON preserves original text. The printable HTML includes the assumptions and cited source editions.
Can I inspect a sample before entering my details?
Yes. Open See a sample result above the workspace. The example uses this tool’s calculation engine and lists its assumptions. Opening it does not change your entries or result and does not download a file.
Where are my files and inputs processed?
This tool processes your entries on your device. It does not upload them or save them in an account. Downloads remain on your device; Reset clears the current tool workspace.
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