Best TXF Converter for TurboTax & Form 8949 in 2026: 6 Tools Tested & Scored
Updated for 2026 · 6 tools tested & scored · independently reviewed
For a straightforward 1099-B or broker CSV, a free browser tool that outputs TXF plus a Form 8949 CSV with no signup wins on value. If you trade actively and need wash-sale adjustments and constructive-sale rules handled correctly, a paid platform like TradeLog or GainsKeeper is worth the subscription — they beat everything here on tax-lot accounting. Manual entry stays free but only makes sense for a few trades.
Getting a year of trades into TurboTax shouldn't mean retyping every sale into Form 8949 — but the tools that do it range from a free browser converter to $200+ active-trader platforms, and picking wrong costs you either accuracy or an afternoon. We ran the same broker exports through six options and scored each, so you can choose by your actual situation: a handful of clean sales, or an options-heavy account with wash sales that need real accounting.
🔬 How we tested
Each tool converted the same three real broker files (a clean Schwab 1099-B CSV, a multi-currency Interactive Brokers activity export, and an options-heavy history with potential wash sales) into a TurboTax-importable TXF and/or a Form 8949 record set. We checked proceeds, cost basis, and short-/long-term classification against the broker's own realized gain/loss totals, timed the full round trip, then weighted six criteria:
🏆 The ranking
| # | Tool | Accuracy | Format / TXF support | Ease | Speed | Price | Privacy | Overall |
|---|---|---|---|---|---|---|---|---|
| 1 | TXF ConverterOursBest free / no-signup | 8.0 | 9.5 | 9.5 | 9.5 | 10.0 | 9.5 | 9.2 |
| 2 | Form8949.comBest web TXF + 8949 | 8.5 | 9.0 | 8.0 | 8.0 | 7.0 | 7.0 | 8.1 |
| 3 | GainsKeeperBest tax-lot accounting | 9.5 | 8.0 | 6.5 | 7.0 | 5.5 | 7.5 | 7.6 |
| 4 | TradeLogBest for active traders | 9.5 | 8.5 | 6.0 | 6.5 | 5.0 | 7.5 | 7.5 |
| 5 | TXF Creator (txf-express style desktop tools)Best offline / one-time | 7.0 | 8.5 | 6.5 | 7.0 | 7.0 | 8.5 | 7.4 |
| 6 | Manual TurboTax entryFree but slow | 6.0 | 5.0 | 4.0 | 3.0 | 10.0 | 9.0 | 6.0 |
Scores out of 10, weighted by the rubric above. Full criteria columns visible on desktop.
📋 The tools, reviewed
TXF Converter
OursBest free / no-signup9.2/10A browser-based converter that turns any broker's CSV or PDF into a TurboTax-ready .txf plus a Form 8949 CSV, with a free tier and no account required. It wins outright on price, speed, and privacy for ordinary sales — but it does not compute wash-sale adjustments, so active traders who need that should use a dedicated tax-lot platform.
- ✓Free to try, no signup
- ✓Outputs TXF for TurboTax desktop plus a Form 8949 CSV
- ✓Reads any broker — foreign and small platforms included
- ✓Files processed in-memory and deleted after conversion
- –Does not calculate wash sales or constructive-sale adjustments
- –Defaults missing holding periods to short-term for you to confirm
- –Newer, smaller brand than the incumbents
Form8949.com
Best web TXF + 89498.1/10A long-running web service that imports broker CSVs and generates both a TXF for TurboTax and a completed Form 8949 / Schedule D. Solid, purpose-built output, though pricing scales with transaction count and the interface shows its age.
- ✓Generates TXF and a filled Form 8949 / Schedule D
- ✓Handles many broker CSV layouts
- ✓Established, tax-focused service
- –Per-transaction pricing adds up on large accounts
- –Limited wash-sale handling versus active-trader platforms
GainsKeeper
Best tax-lot accounting7.6/10A professional tax-lot accounting engine (used inside several brokerages) that tracks cost basis, wash sales, and corporate actions across the year, then exports TXF and Form 8949. Its accuracy on adjusted basis is the best here — you pay a subscription and accept a heavier, less casual workflow.
- ✓Automatic wash-sale and corporate-action adjustments
- ✓Broker integrations and continuous basis tracking
- ✓TXF and Form 8949 / Schedule D export
- –Subscription pricing, overkill for a few sales
- –Steeper setup than a drop-in converter
TradeLog
Best for active traders7.5/10Desktop software built for high-volume and active traders, with rigorous wash-sale accounting, mark-to-market (Section 475) support, and TXF export for TurboTax. The most thorough accounting in this roundup — but it is a paid annual product with real setup and a learning curve.
- ✓Industry-grade wash-sale and Section 475 handling
- ✓Reconciles against 1099-B and imports many broker formats
- ✓Exports TXF and Form 8949
- –Paid annual license; priciest option here
- –Time-consuming import and reconciliation setup
- –Far more tool than an occasional filer needs
TXF Creator (txf-express style desktop tools)
Best offline / one-time7.4/10Downloadable desktop utilities that map a CSV of trades into a TXF file offline, typically for a one-time price. Good if you can't upload financial data and prefer a local tool — but you do the column mapping yourself and there is no tax-lot or wash-sale logic.
- ✓Runs locally — nothing uploaded
- ✓One-time purchase rather than a subscription
- ✓Straightforward CSV-to-TXF mapping
- –Manual column mapping every time
- –No wash-sale or basis adjustment logic
- –Windows-centric, dated interface
Manual TurboTax entry
Free but slow6.0/10Type each sale straight into TurboTax's Form 8949 flow, or enter category summary totals and mail the detail. Free and nothing leaves your machine, but it is slow, error-prone, and impractical past a handful of trades.
- ✓No cost
- ✓Nothing to upload — data stays with you
- –Painfully slow for dozens or hundreds of lots
- –Easy to mistype dates, basis, and proceeds
- –You still track wash sales and holding periods yourself
❓ FAQ
What is a TXF file and how do I import it into TurboTax?
TXF (Tax Exchange Format) is the file TurboTax desktop uses to import investment transactions. Convert your broker export to .txf, then in TurboTax desktop use File → Import → From Accounting Software → Other Financial Software (TXF), and every sale populates Schedule D and Form 8949 without manual entry. TurboTax Online does not accept TXF — there, use a Form 8949 CSV and enter summary totals.
Can a TXF converter handle wash sales?
Most simple converters, including ours, do not calculate wash-sale adjustments — they faithfully convert what your broker reported. If you have wash sales across accounts or trade actively, a dedicated tax-lot platform like TradeLog or GainsKeeper computes those adjustments and is the accurate choice; a plain converter is best when your 1099-B already reflects the correct adjusted basis.
What's the difference between a TXF file and Form 8949?
Form 8949 is the IRS form listing each sale (description, dates, proceeds, cost basis, gain/loss), which totals into Schedule D. TXF is simply the import format that carries those same records into TurboTax desktop automatically. Many tools here produce both — the TXF for a one-click TurboTax import and a Form 8949 CSV you can review or hand to an accountant.
Can I convert a 1099-B to TXF for free?
Yes — a browser-based tool like TXF Converter turns a broker's 1099-B CSV or PDF into a TXF plus a Form 8949 CSV with a free tier and no signup. Paid platforms earn their price mainly when you need wash-sale accounting or are reconciling a very high volume of trades.
Disclosure: TXF Converter is our own product, so we scored it alongside every alternative on the same three broker files and the same rubric, and ranked it #1 only on the axis it genuinely leads — free, no-signup, privacy-first conversion of ordinary sales into TXF and Form 8949. On wash-sale accounting, adjusted-basis accuracy, active-trader features, and broker integrations, dedicated platforms like TradeLog and GainsKeeper are genuinely better, and we've said so above. Prices and features were current as of 2026 and can change — verify each tool's current pricing before you buy.