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Free tools that answer one money question with this year's numbers
Use them free in your browser on your own numbers. You pay only for what you keep: the file, the saved report, the team key. 731 tools in English, Deutsch, 日本語, Español and Português.
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License & Price Change WatchWill your company be billed for a tool it already uses? Oracle JDK 21 from 20 Oct 2026, Docker Desktop, Anaconda, Terraform, AGPL libraries — check your own files free and get a dated email when a vendor changes terms.Seller Fee Change AlertsWe read the official fee pages of TikTok Shop, eBay, Etsy, Mercari and Amazon KDP every day and email you when a fee changes, with what it does to your margin per order.Listing LocalizerYour Etsy, Shopify, KDP or Whop listing rewritten in German, Japanese, Spanish and Portuguese with the search words buyers there really type — one language free.Claude Code skillsReady-made instructions that make Claude do a dated tax, payroll or trading-journal job the same way every time.
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TikTok Shop Fee Calculator 2026 — 6% vs 8% Referral Fee Profit CheckMarketplace fee calculatorsTrading Journal Wash Sale Calculator 2026 (Form 8949 Code W)Trading journal and capital gainsProxmox Migration Check: VMware 72-Core Licence Cost Calculator (2026)VMware to Proxmox cost checkpypdf Migration Check - PyMuPDF AGPL Licence GatePodman Migration Check — Docker Desktop ties
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Online sellersTraders and investorsLandlords and real estateCreators and designersSelf-employed and small businessDevelopers and compliance teamsMore tools
Online sellers
See all 26Fees, payouts and margins on Etsy, eBay, Shopify, TikTok Shop, Amazon KDP and other marketplaces.
Inventory Management Template — Reorder Point & Safety StockReorder at 224 units, not 120: in the worked example a supplier running 14 days instead of 10 while sales hit…Etsy Profit Calculator 2026 — Offsite Ads 15% vs 12% per orderOne sale that Etsy attributes to an Offsite Ad costs 15% of the order total (12% once your shop has sold…Shopify Profit Calculator 2026 — premium & international card fees by planNet profit per order after the real 2026 Shopify Payments rates: a premium card costs 3.5% + 30¢ on Basic,…TikTok Shop Fee Calculator 2026 — 6% vs 8% Referral Fee Profit CheckFor US TikTok Shop sellers: profit per order and per month after the referral fee, creator commission,…Checkout UI Kit — Card Surcharge & Fee Screens by Market (Figma)8 components, 31 variants for the payment step that adds — or must not add — a card fee: Visa's 3% cap, debit…Section 232 Tariff Calculator 2026 — Steel, Aluminum & Copper Duty on Full ValueSince April 6, 2026 the Section 232 duty is charged on the full customs value, not the metal content…
Traders and investors
See all 8Trading journals, wash-sale and capital-gains checks for this tax year.
Capital Gains Tax Calculator UK 2025/26 — Shares & Crypto, Pay by 31 January 2027For UK investors who sold shares or crypto between 6 April 2025 and 5 April 2026: 18% or 24% on gains above…Data Protection Fee Calculator 2026: ICO Tier and Late PenaltySince 17 February 2025 the UK data protection fee is £52, £78 or £3,763, not the £40, £60 or £2,900 many…Trading Journal Wash Sale Calculator 2026 (Form 8949 Code W)For US stock and options traders: one loss sale plus a rebuy within 30 days (IRC §1091) and your broker's…Fintech UI Kit — Investment Risk Warnings: FCA High-Risk Banner, 24-Hour Cooling-Off, ESMA CFD 76% Warning (Figma + Sketch)Fintech UI kit for UK and EU investing apps: the FCA high-risk warning banner word for word (COBS 4.12A), the…Expensive Car Supplement Cliff Check 2026-27From 1 April 2026 there are two VED lines: £50,000 for zero-emission cars and £40,000 for petrol, diesel and…TOGC & Option to Tax Cost Check (UK commercial property, 2026)Prices what a missed VAT1614A notification costs when the TOGC fails: 20% VAT, the SDLT charged on that VAT,…
Landlords and real estate
See all 9Rental yield, rent rules and deal numbers.
Mobile Lightroom Presets for Real Estate Listing Photos22 presets for real estate agents who shoot listings on a phone, one per light: tungsten rooms, mixed window…Daily Journal Template for Obsidian - 2026 IRS Mileage Log Built InFor US self-employed drivers: each daily note logs business miles, and the year log prices trips at 72.5…Damp and Mould Report Form for Social Landlords in England – Awaab's Law Timescales (in force since 27 October 2025)Awaab's Law gives a social landlord in England 10 working days to investigate a damp and mould report, 3…Letting Agent Enquiry Form for Elementor – Renters' Rights Act 2026 (England)From 1 May 2026, accepting a rent offer above the advertised rent in England can cost a £7,000 civil penalty…EU Short-Term Rental Registration Exposure Check 2026Prices the fine band and the delisting loss of an unregistered listing, country by country.Medicare IRMAA 2026 Cliff CheckOne dollar of 2024 MAGI over the line adds a full year of Medicare surcharges. See the line before you cross…
Creators and designers
See all 11Post plans, design kits, LUTs and the numbers behind sponsorships and platform payouts.
Project Management Theme: Obsidian Fixed-Fee Budget BoardFor freelancers and agency PMs on fixed-fee client work: a contrast-checked light and dark theme plus a…Gallery Model Release Form for Photographers – California Civil Code 3344 and New York Civil Rights Law 50 ConsentCalifornia Civil Code 3344: using a person's photograph to advertise your services without their prior…Furniture CAD Blocks - Restaurant Tables with IBC 19 in Aisle Lines + ADA Dining Clearances (12 DXF blocks, inches)Tables 48 in apart with chairs on both sides leave 10 in of aisle accessway - a 16 ft accessway needs 14 in…SaaS UI Kit — AI Act Article 50 Chatbot Notices & AI Labels (Figma)8 components, 26 variants for the AI features of a SaaS product: the 'you're chatting with an AI' notice,…Banking UI Kit — EU Verification of Payee Screens (Figma)8 components, 29 variants for the transfer screen that must show the payee name check: match, close match, no…Cinematic LUTs Pack for iPhone & Android Filmmakers22 .cube looks, one per scene a phone films: noon sun, golden hour, neon night, tungsten cafe, office LED,…
Self-employed and small business
See all 80Payroll, tax and invoice numbers with this year's rates and deadlines.
Startup Financial Model Template: 2026 US Payroll RunwayYour runway is shorter than salaries say: every 2026 US hire also costs 6.2% Social Security up to the…Cold Email Laws by Country: Client List Consent CalculatorWriting cold outreach for clients in several countries? US and UK company contacts run on opt-out rules;…Performance Review Template with Merit Raise Calculator (US 2026)Score goals and competencies, get the rating, then the merit raise in dollars. Check that raise against the…Tour Operator Margin Calculation 2026 (UK TOMS year-end)For UK accountants of tour operators: the VAT Notice 709/5 section 9 year-end TOMS calculation, which splits…Freelance Rate Calculator 2026: US Self-Employment TaxPricing at your old salary ÷ 2,080 hours skips the 15.3% self-employment tax on 92.35% of net profit (the…IR35 Deemed Payment Calculator 2026/27 (Small Clients)When a small private-sector client leaves the IR35 call to you, your company works out the Chapter 8 deemed…
Developers and compliance teams
See all 267Checks of code, files and sites against a dated rule — each finding names the article and the line.
Oracle JDK License GateFinds the Java lines in your build that Oracle now bills for, and the free line that replaces each onepypdf Migration Check - PyMuPDF AGPL Licence GateMap every fitz / PyMuPDF line to its pypdf, pdfplumber or pypdfium2 replacementModel Card Lint - EU GPAI (AI Act Art. 53)Lints a Hugging Face model card against the Hub metadata spec and the EU AI Act general-purpose AI…Pytest Deprecation Lint (pytest 8 removals)Marks the lines in your test suite that current pytest no longer runs — and the config keys it silently…Python 3.10 End of Life — Pin Check & FixPython 3.10 end of life was 2026-10-01 (3.10.22 final, no more security patches). AWS Lambda python3.10:…MapLibre Migration Lint — Mapbox GL JS v2+MapLibre migration check for Mapbox GL JS v2+ code: 17 rules, each with the maplibre-gl fix
More tools
See all 47Everything else that stands today.
Recruiting Workflow Template for n8n: UK, US and Germany Candidate Retention DatesUK rejection window now 6 months (from 2026-10-01). 6 n8n workflows run your pipeline in your own Google…Building Product Compliance Checklist 2026: EU CPR Sales-at-Risk CheckFor EU construction product manufacturers and importers under CPR 2024/3110: split your EU sales by…Chart of Accounts Template: Schedule C Meals & EntertainmentSplit one lumped Meals & Entertainment account the way IRC §274 does: meals 50%, entertainment 0%, gifts $25…Digital Planner App: PTO Use-It-or-Lose-It Planner 2026Hours over your carryover cap on Dec 31, 2026 are forfeited in most US states — 63.1 hours at $38.00 is…Cash Flow Statement Indirect Method Template — Trial Balance Tie-Out (ASC 230)Build the statement of cash flows from your trial balance and fixed-asset rollforward, tie it to TB cash to…Email Unsubscribe Compliance Calculator for Agencies: Gmail & Yahoo 48-Hour Rule vs CAN-SPAM 10 Business DaysGmail wants opt-outs honored within 48 hours and Yahoo within 2 days; CAN-SPAM allows 10 business days, at up…
By rule and country
US payroll, tax and filing deadlines (50)UK tax, payroll and HMRC rules (38)EU rules with a 2026 date (72)E-invoicing rules (15)Privacy and data protection (32)Accessibility (15)Security and supply chain (47)Developer deadlines (121)Selling online (25)AI rules and agent configuration (13)Submission gates (16)Health and medical software (8)Exam flashcards (5)Templates and design assets (56)
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AI Productivity Score
Answer a few quick questions and get your personal AI-productivity score — plus where you're leaving time on the table.
Open tool →Free · no signupAI Prompt Scorer
Paste any prompt and get an instant quality score with concrete fixes to make it sharper and more reliable.
Open tool →Free · no signupAI Time-Saved Calculator
Estimate how many hours (and how much money) AI can save you each week based on your real workflow.
Open tool →Free · no signupCar Refinance Calculator: Refinance or Keep?
Enter your payoff, your rate and the quote you have. Get the new payment, the break-even on the fees, what a longer term really costs, and a straight verdict — refinance, or keep the loan you have.
Open tool →Free · no signupHELOC Calculator: Payment, Payoff & Rate Shock
See the credit line a lender would offer, the cheap interest-only payment during the draw period, the bigger payment after it, and what happens if the rate climbs.
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