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Schwab 1099 Composite → Form 8949 CSV Beta
Schwab's history page has a CSV export, which is handy for budgeting and reconciling. For the tax return, the realized lots on your 1099 Composite are what matter. TaxForms reads that PDF without uploading it and checks each box against Schwab's printed totals.
- Read in your browser: the file is never uploaded
- Each Form 8949 box is checked against the totals printed on the form
- Free preview and box totals check, no sign-up
Files are read in this browser tab and never uploaded.
What Charles Schwab gives you
- Transaction history with an export to CSV for a date range you choose.
- A 1099 Composite PDF (1099-B, 1099-DIV, 1099-INT and others) in the tax forms area of the account.
- Realized gain/loss views online, which can help you check individual lots against the 1099.
Turning it into a tax report
- Download the consolidated 1099 PDF from Charles Schwab and drop it into the box above. TaxForms finds the short-term and long-term sections (boxes A, B, D and E), reads each lot, and keeps wash-sale adjustments as code W.
- It then adds up every box and compares the sums with the totals printed on the form, to the cent. A red line means something didn't match and you should compare that section with the PDF.
- Downloads: a Form 8949 CSV, a TXF file for TurboTax Desktop, and an Excel workbook with a box totals sheet. TurboTax Online doesn't take a stock-sales CSV, so for Online use the per-box totals from the totals panel.
- Broker menus change from year to year, so if a menu name differs, search the broker's help centre for "tax documents" or "export".
Example: long-term lots with basis reported (box D)
| Description | Acquired | Sold | Proceeds | Cost basis | Gain/loss | Box |
|---|---|---|---|---|---|---|
| SCHD 50 sh | 04/12/2021 | 02/20/2025 | 1,409.50 | 1,236.00 | 173.50 | D |
| KO 30 sh | 09/09/2020 | 02/20/2025 | 2,071.20 | 1,541.10 | 530.10 | D |
| VOO 2 sh | 01/04/2023 | 10/01/2025 | 1,140.88 | 702.40 | 438.48 | D |
The box D total in the Excel file is compared with Schwab's own box D total. Figures are made up for illustration.
FAQ
Is my Charles Schwab file uploaded?
No. It is opened inside your browser tab and the output files are built there. Nothing about your account or trades is sent to us.
Will the transaction-history CSV work?
Not in TaxForms. It lists activity, not realized lots with basis. Use the 1099 Composite PDF.
What does the free version include?
Every row in the preview and the full box totals check, free. Downloads include the first 10 rows of each file. A TaxForms pass ($12 once, valid until October 15, 2027) or CleanStatement Pro unlocks every row.
Is this tax advice?
TaxForms is a file-conversion and arithmetic-check tool. It is not tax advice, doesn't calculate cost basis, and doesn't prepare or file your return. Check every figure against your original forms, and ask a tax professional if you're unsure how something should be reported.
TaxForms is a file-conversion and arithmetic-check tool. It is not tax advice, doesn't calculate cost basis, and doesn't prepare or file your return. Check every figure against your original forms, and ask a tax professional if you're unsure how something should be reported.
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