gains.tax
PricingToolsVerificationImportManualBlog
Launch app
PricingToolsVerificationImportManualBlog Launch app

The manual.

Written against the shipped app, never ahead of it. Every guide carries the build it was checked against, and the same version sits in the footer of every page.

Getting started

  • What gains.tax is and what it never does
  • Launching the app and loading the worked example
  • Your first report in five minutes

Importing your data

  • Importing from Koinly
  • Importing from CoinLedger
  • Importing from CoinTracking
  • Importing from CoinTracker
  • The reconciliation count, rows against tax events
  • Wallet scanning, Bitcoin and six EVM chains
  • Kraken sync with read-only keys
  • Binance sync with read-only keys
  • The relay, why it exists and why it cannot hurt you

Understanding your results

  • The UK rules, section 104, same-day, and the 30-day rule
  • Reading citations, why every disposal shows its working
  • The confidence score, what 100 actually means
  • Per-wallet balancing, the check that catches overstated tax
  • The report family beyond capital gains

Reports and filing

  • Downloading reports, what you get and when a key is needed
  • Self assessment, the SA108 helper box by box
  • Record keeping, what HMRC expects you to hold

Troubleshooting

  • Count mismatch, when our number differs from your source
  • Missing acquisitions, the finding that protects you
  • Duplicates, how overlapping imports stay clean
  • What the app says when something goes wrong

Reference

  • Supported formats, everything the app can read
  • The privacy model, the complete network surface on one page
  • Glossary
gains.tax

UK crypto tax, computed on your machine. Nothing you import ever leaves it.

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