chuan's profile on Product Hunt

About

Indie developer building useful tools. CompactJPG , CampPowerCalc , UnTrackedTools , ClarifyPix , RoomPaintCalc , FryCalc , ColdPlungeCalc ,TaxEd Abroad

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Tastemaker

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Maker History

InvoiceFormlyFree invoice generator for freelancers — PDF in 60 seconds
Jul 2026
TariffPediaFree import duty lookup for US, EU, UK & China
Jul 2026
TaxEd AbroadSimplify expat taxes, anywhere, Free, no sign-up needed.
Jul 2026
Cold Plunge CalcStop guessing your cold plunge time. Free & science-backed.
Jun 2026
FryCalcAir fryer cooking times for 50+ foods, instantly
Jun 2026

Forums

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3d ago

InvoiceFormly - Free invoice generator for freelancers — PDF in 60 seconds

InvoiceFormly is a free invoice generator for freelancers and solo founders. Create a professional, customizable invoice and download a PDF in under a minute — no account needed. Pro ($9.9/mo) adds cloud storage, client management, recurring templates, and multi-currency support. Other tools are either too simple (Google Docs) or too complex (QuickBooks). InvoiceFormly sits in the middle: enough to get paid faster, no learning curve. Available in English, German, and French.

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13d ago

TariffPedia - Free import duty lookup for US, EU, UK & China

Free import duty lookup with official US, EU, UK, and China tariff rates. Search by HS code or product to see duty, VAT, and de minimis thresholds. Every rate links to its official source. Updated 2026.

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22d ago

TaxEd Abroad - Simplify expat taxes, anywhere, Free, no sign-up needed.

TaxEd Abroad replaces US-centric tax software with an expat-first experience. We translate complex IRS rules into country-specific, timezone-aware deadlines and clear steps for foreign income, FEIE, and tax treaties. No jargon, just actionable checklists that turn tax season into a 15‑minute check‑in.