Investors • Traders
« Plus » from Digital3D — Your capital gains tracking tool has arrived!
Track your investments, calculate your capital gains, and prepare your tax return with peace of mind. Specially designed for the new Belgian capital gains tax 2026.
New capital gains tax: why it matters
Starting from January 1, 2026, Belgium is introducing a 10% tax on capital gains realized on financial assets: cryptocurrencies, precious metals, stocks, ETFs, CFDs… This reform affects all Belgian resident investors.
Every purchase, every sale, every exchange counts. The law requires the FIFO method (First In, First Out) to calculate your gains: your sales are matched with your oldest purchases. Without a complete history of your transactions, it is impossible to accurately calculate your tax — and you risk paying more than necessary or facing an audit.
Moreover, the law provides for a reference value as of December 31, 2025 for assets held before 2026: only the capital gain realized after this date is taxable. Therefore, it is crucial to record the value of your portfolio on 31/12/2025.
Good news: an annual exemption of €10,000 applies to small investors. But you still need to be able to prove that your gains remain below this threshold…
« Plus » from Digital3D: everything you need, in one tool
« Plus » from Digital3D is a comprehensive web application that allows you to centralize, calculate, and declare your capital gains in full compliance with Belgian legislation. Whether you are an active trader on CFDs, a long-term investor in crypto, or holding gold and silver, everything is covered.
Key features
Interactive dashboard
Gains, losses, net result, and tax due at a glance. Interactive charts to visualize your monthly P&L and the distribution of your instruments.
Transactions & CFD
Record your purchases, sales, CFD trades, and staking rewards. Supports EUR and USD with automatic conversion via ECB rates.
Automatic FIFO calculation
The FIFO method mandated by law is applied automatically. Your capital gains are calculated accurately, including the revaluation as of 31/12/2025.
Export PDF & CSV
Generate a ready-to-use PDF tax form for your declaration, or export your data in CSV for your accountant.
Enhanced security
AES-256-GCM encryption for your sensitive data, 2FA authentication via email, secured sessions.
Intelligent CSV import
Import your transactions from Revolut, Oanda, Coinbase… Automatic detection of columns and source currency.
Available in 5 languages
Because Belgium is multilingual and our users come from all over Europe, Plus Digital3D is fully translated into:
Why choose Plus Digital3D?
| ✅ | Compliant with Belgian law 2026 — FIFO, 3 tax regimes (10%, 33%, progressive), exemption 10,000 €, snapshot 31/12/2025 |
| ✅ | All types of assets — Crypto (BTC, ETH, SOL…), precious metals (gold, silver, platinum), CFD/derivatives, staking rewards |
| ✅ | Dual-currency EUR/USD — Automatic conversion with official ECB rates (European Central Bank) |
| ✅ | Dashboard with charts — Visualize your monthly P&L, the distribution by instrument and category |
| ✅ | PDF tax sheet — Document ready to attach to your tax return or to send to your accountant |
| ✅ | Integrated tax guide — 8 educational sections to understand the law without legal jargon |
| ✅ | Secured & GDPR — Your financial data is encrypted (AES-256), hosted in Europe, and you maintain total control |
🌟 Included in your "One for All" subscription
If you are already subscribed to digital3d.com, you have immediate access to “ Plus ” — at no extra cost! Just log in with your existing digital3d.com account.
Not subscribed yet? The "One for All" subscription gives you access to all our tools — blog, training, API and now capital gains tracking — for only 12 €/month.
Ready to take control of your capital gains?
Don't let tax complexity cost you money. Start tracking your investments today and prepare your 2026 tax return with peace of mind.
Access Plus Digital3D →
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