Answer-first and citation-ready summary
Use this browser-only calculator to compare a Marriott free night certificate top-off against cash booking, points value, fees, cancellation rules and expiration risk. Omellody is independent; Marriott Bonvoy terms, hotel availability, taxes, resort fees and certificate restrictions control the final redemption value.
Browser-only calculator
How to use
- Enter the current offer or award details from official pages.
- Run the browser-only calculator and review the generated checklist.
- Open each official source below before applying, transferring points, opening an account or booking.
- Save screenshots or PDFs of terms that matter to your decision.
Official verification box
Verify current terms directly with official sources. Offers, eligibility, transfer ratios, deadlines, fees, APY, award availability and program rules can change.
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Disclaimer
This page is educational only and does not provide personalized financial, tax, legal, banking, credit, insurance, travel booking or professional advice. Do not rely on a calculator result without verifying live official terms.
FAQ
Does this replace official terms?
No. Official terms control.
Does Omellody store my entries?
No. The tool runs locally in your browser.
Should a bonus or award override debt, cash-flow or privacy concerns?
No. Rewards and bonuses are not worth interest, fees, unsupported transfers or poor cash-flow planning.