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Upload your tax documents (W-2s, 1099s, etc.) or enter your info step by step. The engine assembles draft federal and state returns and shows you the calculation trail so you can review it yourself.

The self-hosted software is free to use. Paid hosted plans are for software conveniences such as synced workspace shells, reminder tooling, and AI helper usage budgets, not for tax advice or licensed tax preparation.

In local mode, your return data is stored in your browser by default. In hosted mode, we store account, billing, reminder, and privacy-safe workspace metadata, but not raw tax forms in durable hosted storage. If you use optional AI helper or document-analysis features, selected data may be sent transiently to configured providers. We do not sell your data or use it for advertising.

We support most individual federal tax situations including W-2 wages, self-employment (Schedule C), investments and capital gains (Schedule D), rental income (Schedule E), retirement distributions, HSA, education credits, child tax credit, crypto/digital assets, and many more. We cover all 50 states plus DC.

The software is experimental. We use specs, IRS references, and more than 14,000 automated tests to improve coverage, but that is not a promise of correctness, completeness, or filing readiness. You should independently review every result before relying on it.

Validated states (CA, NY, NJ, IL, PA, OH) use dedicated state engines with deeper automated coverage. Best-effort states use a generic engine with published rates and common adjustments. Both tiers still require independent review before filing.

Not yet. Viva La Tax currently generates your completed return as a PDF you can print and mail, or use with an e-file service. E-file integration is on our roadmap.

Yes. We support Form 1099-DA, capital gains from crypto trades (with FIFO, LIFO, HIFO, and specific ID lot matching), mining and staking income, airdrops, DeFi LP positions, NFT transactions, and more. You can also upload CSV exports from major exchanges.

We'll tell you upfront if we detect a situation we can't fully handle. You can export your data and continue with other software, or take the draft bundle to your own licensed professional outside this product.

Viva La Tax ships as a Docker container. Run `docker compose up` and you'll have a local instance running on your machine. See the README in the repository you cloned for detailed setup instructions.

Use the Issues and Pull Requests tabs in the repository you cloned this project from. We welcome community contributions.

Our Privacy Policy is at /privacy and our Terms of Service is at /terms. Local mode stores returns in your browser by default, optional AI features can route selected data through configured providers, we never sell your data, and the software is provided as-is under AGPL-3.0-only.