Software Overview β SoftwareTaxer Capital Gains, Stock & Crypto Form 8949 Reconciler 2026 (Investor Tax Lot Engine)
Engineered by SoftwareTaxer LLC for active equity traders, employee stock plan (RSU/ESPP) participants, and digital asset investors, SoftwareTaxer Capital Gains, Stock & Crypto Form 8949 Reconciler 2026 processes unlimited brokerage 1099-B and exchange CSV trade histories locally on your computer. Match tax lots using FIFO, LIFO, HIFO, or Specific Identification; automatically detect 30-day IRC Section 1091 wash sales and adjust RSU supplemental cost basis to prevent double taxation; and export IRS Form 8949 (Part I Short-Term and Part II Long-Term, Boxes A-F) plus Schedule D aggregate summaries.
Key Capabilities & Tax Year 2026 Features
- Processes unlimited stock, option, RSU/ESPP, and digital asset trades locally with zero row limits
- Supports FIFO, LIFO, Highest-In First-Out (HIFO) & Specific Identification tax-lot accounting
- Automated IRC Section 1091 30-day Wash Sale detector and RSU W-2 cost-basis adjustment wizard
- Classifies Short-Term vs. Long-Term holding periods across covered and non-covered 1099-B lots
- Exports print-ready IRS Form 8949 PDFs, Schedule D summaries, and standard TXF/CSV files
Technical Specifications, Licensing & Fulfillment Terms
| Software Publisher / Brand | SoftwareTaxer (SoftwareTaxer LLC) |
|---|---|
| Software Version & Tax Year | 2026.4.1 (Tax Year 2026 Edition) |
| Supported Operating Systems | Windows 11 / 10 (64-bit) & macOS 13 Ventura or later |
| License Type & Term | Perpetual Investor License (Unlimited Transactions & Tax Lots) β One-Time Purchase ($0 Monthly Fee) |
| Catalog SKU / MPN | STX-2026-8949 |
| GS1 Product GTIN-12 | 850049210072 |
| Fulfillment & Delivery Method | FREE ($0.00 USD) β Instant Electronic Delivery via Email & Account Portal (Installer + License Key + Broker CSV Presets) |
| Return & Refund Guarantee | 30-Day Full Refund on Unactivated Licenses β’ Free Technical Support & Edition Exchange |


Daniel Cho, Software Engineer (verified owner) –
The RSU supplemental cost-basis adjuster alone prevented me from paying tax twice on my vested shares. Super fast even with 4,500 trades.
Michael R. Sterling (verified owner) –
Unlike web platforms that charge $200+ every time you exceed 1,000 transactions, SoftwareTaxer handles unlimited CSV rows on my desktop.
Elena Rostova, CPA (verified owner) –
Produces clean Form 8949 Box A/B/C and D/E/F attachment statements that attach directly to client returns.