SelfTax

Visit github.com ↗ What it costs

Free planprice, as published
Oct 8, 2026read on

SelfTax's own site, as our research read it — github.comas read Oct 8, 2026

What SelfTax costs

Free Free

As github.com publishes them, read Oct 8, 2026. Fees, tax and exchange rates can differ when you pay; check the provider's own page first.

Its statement

Free plan: Yes
Free trial: Not stated
Runs on: iPhone Android Web
Facts on record: 12

Facts we read

Browser extensionThe README instructs users to build and load SelfTax as a Chrome extension. · github.com, Oct 8, 2026
Document parsingStructured IRS forms are processed locally; AI is used only to parse unstructured documents when needed. · github.com, Oct 8, 2026
Intended userThe maker describes the project as built for people who want to avoid paying for tax preparation or spending hours filing their taxes. · github.com, Oct 8, 2026
Local serverAn optional local HTTP server uses the Claude Code CLI to parse redacted documents, and the user’s Anthropic API key is managed by that CLI. · github.com, Oct 8, 2026
MCP integrationSelfTax can run as an MCP server for Claude Code and exposes tools to scan tax folders, set a profile, view documents, calculate taxes, and generate forms. · github.com, Oct 8, 2026
Open-source licenseSelfTax is licensed under AGPL-3.0, which the README says requires products or services built using the code to open-source their version under the same license. · github.com, Oct 8, 2026
PrivacyThe README says SSNs, names, and addresses are stored in browser local storage and never transmitted. · github.com, Oct 8, 2026
RedactionBefore unstructured document text is sent for AI interpretation, the README says identifying details are replaced with tokens locally. · github.com, Oct 8, 2026
Supported filingTested and verified support includes W-2 wages, rental income with passive activity loss, capital loss carryover, itemized deductions, child tax credit, dependent care credit, and QBI deduction for tax year 2025. · github.com, Oct 8, 2026
Tax calculationsTax calculations use deterministic code, and the README says each line can be audited. · github.com, Oct 8, 2026
Unverified coverageThe README lists several features as built but not fully tested, including Schedule C, K-1, education credits, EITC, AMT, and self-employment tax. · github.com, Oct 8, 2026