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Bitcoin Capital Gains EstimatorEXPERIMENTAL
Educational estimated capital gains calculator using FIFO, LIFO, and HIFO methods
🚫No Accounts
👁️🗨️No Tracking
⚠️Experimental software - Click to view important legal disclaimers
▼Upload Your Bitcoin Transaction Data
Upload CSV files from exchanges, wallets, or other sources
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Don't Trust Us - Verify Everything
We understand you shouldn't trust random websites with your financial data. Here's how to verify our claims:
🚫No Accounts Required
No sign-up, no email, no personal information needed.
👁️🗨️No Tracking or Analytics
No Google Analytics, no cookies, no usage tracking of any kind.
🌐Transparent Network Usage
Only fetches Bitcoin price data when needed - never sends your transaction data.
📖Open Source & Auditable
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How to Verify Our Claims:
• Open dev tools → Network tab → Upload file → Only price API calls
• Check Session Storage → Your data stays local
• View page source → No tracking scripts
• Inspect network requests → Only outbound calls for Bitcoin prices
Want to Test Without Your Data?
Load sample Bitcoin transactions to test the calculator safely
Upload Bitcoin Transaction Files
Upload CSV files from exchanges, wallets, or other sources
or drag and drop CSV files here