Private · Tax Review
Analyze Tax Return
Upload a draft return and have Claude review it for errors, omissions, and ways to lower the bill — federal (1040) and North Carolina (D-400).
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Drop your draft return here
PDF only · up to ~4 MB · click to browse
Include every page — 1040, all schedules, D-400, and W-2/1099s if you have them.
Include every page — 1040, all schedules, D-400, and W-2/1099s if you have them.
Where this data goes.
The PDF is held in this browser tab's memory only — nothing is written to disk, to Supabase, or to any log on this site. It's sent over HTTPS to the Anthropic API through an authenticated edge proxy that adds the API key and passes the bytes straight through. Closing or reloading this tab wipes everything.
The PDF is held in this browser tab's memory only — nothing is written to disk, to Supabase, or to any log on this site. It's sent over HTTPS to the Anthropic API through an authenticated edge proxy that adds the API key and passes the bytes straight through. Closing or reloading this tab wipes everything.
Analysis
Reading the return…
Ask about the analysis
Thinking…
Push back on anything above, or add facts the return doesn't show —
"we also paid $4,200 in daycare", "Katy started a side business in June",
"why do you think line 12 is wrong?"
New information is carried into the conversation, and ↻ Revise regenerates the full analysis with everything you've added.
New information is carried into the conversation, and ↻ Revise regenerates the full analysis with everything you've added.
⌘/Ctrl + Enter
AI-generated review — not tax advice. Verify every figure against the return and confirm with your preparer before filing.