Tools

Free finance tools

Honest, deterministic calculators for ETF investors and crypto holders. We don't guess with AI and we don't sell your data - the maths runs on our servers, the assumptions are spelled out on every page.

Free

Portfolio Check-Up

Look-through analysis of your ETF portfolio. See your true country, currency and sector exposure, fund overlap, blended TER, and the 30-year compound cost of fees. UK reporting-fund tax checks built in.

  • Look-through asset allocation across all your ETFs
  • Single-stock concentration after unwrapping every fund
  • Blended Total Expense Ratio + 30-year fee-drag projection
  • Save snapshots to track how your exposure changes over time
Open Portfolio Check-Up →
New

Crypto Tax Calculator

Upload your Binance, Coinbase or Kraken CSV and get a FIFO-matched gain/loss preview in seconds. Generic, US (short / long-term split) and UK (preview) jurisdictions. Income from staking and airdrops detected automatically.

  • CSV import for Binance, Coinbase, Kraken or generic format
  • Strict FIFO cost-basis matching engine
  • Realised gain summary plus per-disposal breakdown
  • Free while in beta - just upload and run
Open Crypto Tax Calculator →
New

Tax-Loss Harvesting

Find positions in your crypto portfolio currently underwater and see exactly which lots to sell to offset realised gains. Live spot prices via CoinGecko, FIFO lot matching, US short / long-term flagging, and an estimated tax-savings figure at your bracket.

  • Per-lot unrealised P&L scored against today's price
  • Estimated tax savings at the rate you supply
  • YTD realised-gain offset summary
  • Wash-sale advisory for US users
Open Tax-Loss Harvesting →
New

What-If Scenarios

Simulate a trade before you make it. Upload your CSVs, type the hypothetical sell or buy, and see exactly which lots FIFO would consume, the realised gain, the short vs long-term split and the tax owed at your bracket - before the order leaves your wallet.

  • Strict FIFO simulation on top of your real ledger
  • Per-lot breakdown of which lots a sale would eat
  • Short vs long-term split for US filers
  • Estimated tax owed (or harvested) at your rate
Open What-If Scenarios →
New

Form 8949 Generator (US)

For US filers: an IRS-style substitute Form 8949 PDF auto-filled from your crypto CSVs. Every disposal as a row in the right Part and Box, with a Schedule D summary at the end. Hand it straight to your accountant or attach as a substitute statement.

  • IRS row-by-row format (columns a through h)
  • Auto-classified Part I (short) / Part II (long)
  • Boxes A-F selectable for 1099-DA broker reports
  • Schedule D summary, line 16 total ready to copy
Open Form 8949 Generator →

Coming soon

DCA simulator, dividend-reinvestment back-tester, UK Section 104 pool matcher, and a German one-year-rule planner. Want something added? Email us at [email protected].