Sync Your Portfolio
Connect from 800+ exchanges, wallets, and blockchains. API, CSV, or direct sync done in seconds.
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Rated 4.5/5
Your crypto taxes, done in minutes
KoinX auto-calculates your Capital Gains Tax and builds a report ready for your Self Assessment.
Trusted By Leading Platforms
Built For Scale, Made For You
Handling millions of transactions with accuracy you can trust
1.5M+
Users Worldwide
$10B+
Crypto Tracked
25k+
Crypto Assets Supported
700M+
Transactions Processed
Rated 4.5/5 by over 10.5k users
Listen to what users saying?
As easy as 1-2-3
KoinX’s extensive integration with 800+ crypto exchanges makes calculating crypto taxes incredibly easy.
We Do The Math
KoinX auto-classifies every trade. Buy, sell, swap, staking, airdrops, DeFi, internal transfers and calculates gains automatically.
Download HMRC Ready Reports
Get your Self Assessment report instantly. Pay only when you're ready to download. No surprises.
Calculate My Taxes
It takes under 10 minutes
Handles every corner of the UK's crypto tax rules
From share pooling to the CGT allowance. KoinX handles it all, so your Self Assessment is always accurate.
Internal Transfers, Handled Correctly
Automatically detect transfers between your wallets and exchanges, eliminate duplicates, and maintain accurate cost basis across all your accounts.
Tax calculated correctly
Trades, swaps, staking rewards, airdrops, mining every transaction type is matched using HMRC's rules and calculated correctly. No missed gains, no wrong classifications.
Unify Your Entire Crypto Portfolio
Monitor holdings across chains, exchanges, and wallets with real-time analytics, performance insights, and complete asset visibility.
Take Full Control Of Your Crypto Taxes
From tracking transactions to Self Assessment-ready reports, KoinX handles your crypto taxes end to end.
