bitcoin-tax

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dTaxLab / dtax

The only complete TypeScript crypto tax engine on npm — 23 exchange parsers, FIFO/LIFO/HIFO/Specific ID, Form 8949, wash sale detection, DeFi support

open-source typescript npm-package cryptocurrency fifo tax-calculator cost-basis capital-gains wash-sale crypto-tax form-8949 bitcoin-tax defi-tax ethereum-tax schedule-d

Updated Jul 29, 2026
TypeScript

mattpopovich / GDAXtoBitcoin.tax

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Takes a format given by GDAX (Global Digital Asset eXchange), now known as Coinbase Pro, and converts it to the format that bitcoin.tax was expecting

coinbase gdax coinbase-pro bitcoin-tax

Updated Apr 18, 2018
Python

Bitcoin-Tax / bitcoin-tax-calculator

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Bitcoin Tax Calculator transforms wallet, exchange, and blockchain transaction data into CSV and HTML tax reports, calculates cryptocurrency capital gains and cost basis with FIFO, LIFO, and HIFO methods, supports multi-chain portfolios, and prepares Form 8949 records for streamlined tax reporting and accounting.

tax-calculator tax-reporting cost-basis capital-gains blockchain-transactions tax-compliance tax-reports crypto-tax portfolio-accounting form-8949 tax-preparation bitcoin-tax cryptocurrency-tax transaction-csv

Updated Sep 16, 2026
Python

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