1040tools.com

1040Tools.com offers various calculators and tools for filing US taxes

1040Tools.com provides online calculators and tools designed to simplify complex US tax calculations, particularly for accountants, estate tax attorneys, and tax preparers. Its proprietary mutual fund basis calculator and estate tax valuation tools automate calculations that traditionally required hours of manual work with spreadsheets and reference materials.

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Authority

—/100

Safety

90/100

Registered

Jul 9, 2026

2 months old · Chengdu West Dimension Digital Technology Co., Ltd.

3 of 4 safety checks passed (Sep 17, 2026).

AboutUs has not vetted this site. 1 of 4 automated safety check did not pass. Everything below is what we could measure automatically. Anything you do on the site — paying, sharing personal details, downloading — is between you and the site, not AboutUs.

Current facts

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Authority & Safety, with the evidence

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Authority: not enough signals yetClear

Why we're not scoring this yet

We withhold an authority number until independent evidence (global rank, link-graph presence) has accrued. The facts we do have about this site are shown below — we'd rather say “not enough signals yet” than invent a low score.

Safety evidence

No unexpired threat-feed result; name-similarity check available (recorded about 10 days ago); 3/3 transport and email checks available (oldest recorded about 10 days ago). This is evidence coverage, not a probability that a website is safe.

No MX and no DMARC (mild)

Site history

Dated record — historical facts always carry their date.

2026
Domain registered (Jul 9, 2026).
2026
Checked today — 3 of 4 safety checks passed (Sep 17, 2026).

✓ live verified Sep 17, 2026

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