See your true take-home before you list — every fee modeled offline, with the exact price to hit your target.
✓ Works offline
✓ Nothing leaves your device
✓ Every fee shows its rule
Your listing
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Fees verified ·
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What you actually keep
Net profit
Margin
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Optional AI specialist. Add your Groq key to turn this result into plain-language coaching and drafts. It never changes the numbers — and the calculator works fully offline without it.
AI specialist
The AI specialist only explains or rephrases the numbers this app already computed — it never changes them. Your key is stored only in this browser and sent only to Groq.
Your last 3 saved calculations, kept on this device. Download them for your records.