We check every product on this page once a day and record whether it still answers.
Over 100 free business calculators — profit margins, OEE, SIP, burn rate, income tax across 9 markets — no sign-up required. For ecommerce sellers and founders who'd otherwise reach for a spreadsheet.
FreeNo sign-up
What to know▼
How it works
Over 100 free calculators and simulators for financial planning and business operations — profit margins, overall equipment effectiveness, SIP, burn rate, and income tax — with country auto-detection adapting currency, tax labels and formats across 9 markets including the US.
What's different
Free with no sign-up required, backed by real domain logic like actual fee schedules and ISO manufacturing standards rather than generic formulas.
Pricing
Free, no sign-up required.
Best for
Ecommerce sellers, manufacturers and founders who currently make financial decisions on gut feeling or a spreadsheet.
We check every product on this page once a day and record whether it still answers.
A browser-based receipt generator with 100+ templates you fill in and download in three steps, no accounting software needed. Aimed broadly at freelancers, contractors and small sellers, not full bookkeeping.
FreeNo sign-upNothing to install
What to know▼
How it works
A browser-based receipt generator with 100+ customizable templates (modeled after brands like Amazon, Costco, Starbucks) where you pick a template, add details, and download.
Pricing
Free.
Best for
Freelancers, contractors and small sellers who need a quick, professional-looking receipt without accounting software.
We check every product on this page once a day and record whether it still answers.
Pastes your product page text and scores it against 12 rule-based checks for the facts shoppers look for before buying — sizes, shipping, returns — entirely in-browser, no AI or signup.
No sign-upData stays with you
What to know▼
How it works
You paste your product page text and it runs 12 rule-based checks for facts shoppers look for before buying, such as sizes, materials, shipping, returns, and FAQ coverage, returning a 0-100 score.
What's different
Uses rule-based checks rather than AI, requires no signup, and the text never leaves your browser.
Best for
Ecommerce sellers checking whether their product pages cover the buying facts shoppers need.
We check every product on this page once a day and record whether it still answers.
Scans your online store URL against Prop 65, EU GPSR, CPSIA, FDA and Health Canada rules and lists violations — a free compliance check for Shopify, Amazon, Etsy and WooCommerce sellers.
FreeNo sign-up
What to know▼
How it works
Paste a store URL and get an instant report checking every product against Prop 65, EU GPSR, CPSIA, FDA, and Health Canada regulations, showing exact violations, severity levels, and fix language.
Pricing
Free scan, no signup required.
Best for
Shopify, Amazon, Etsy, and WooCommerce sellers who want to find compliance violations before getting sued.
We check every product on this page once a day and record whether it still answers.
Removes backgrounds from up to 20 images at once for free, no signup — built for online sellers, designers and photographers who need quick transparent PNGs.
FreeNo sign-up
What to know▼
How it works
Removes backgrounds from images automatically, with batch processing of up to 20 images at once, outputting transparent PNG files; works directly in the browser with no upload account or software install required.
Pricing
Free.
Best for
E-commerce sellers, designers, photographers and content creators who need quick transparent product or asset images.
We check every product on this page once a day and record whether it still answers.
A free, no-signup collection of 290+ online calculators covering finance, health, math, crypto, and e-commerce topics, instead of scattered single-purpose calculator sites.
FreeNo sign-up
What to know▼
How it works
Browse categorized calculators (mortgage, ROI, tax, BMI, TDEE, crypto, Amazon/Etsy/Shopify seller math) and get instant results with no account required.
We check every product on this page once a day and record whether it still answers.
Free calculators that show your true net profit after marketplace fees, fulfillment, shipping, ads, tax and returns, across Amazon, Etsy, eBay, Shopify, Walmart, TikTok Shop and 20+ other marketplaces. Built for marketplace sellers, not logistics companies.
FreeNo sign-up
What to know▼
How it works
Free calculators compute your real net profit after marketplace fees, fulfillment, shipping, ad cost, tax reserve and returns, across Amazon, Etsy, eBay, Shopify, Walmart, TikTok Shop and 20+ marketplaces in 20 countries.
Pricing
Free, no signup; calculators can also be embedded on your own site for free.
Best for
Marketplace sellers who want to know their true profit margin after all platform fees, rather than logistics companies.
We check every product on this page once a day and record whether it still answers.
AI swaps outfits onto a model in your product photos so online sellers on Depop, Poshmark, eBay or Shopify can skip real photoshoots — free, no account needed.
FreeNo sign-up
What to know▼
How it works
Swaps your product photo's clothing onto a realistic AI model in seconds, replacing a photoshoot.
What's different
No signup or credit card required to use it.
Pricing
Free.
Best for
Online sellers on Depop, Poshmark, eBay, or Shopify who need product photos without a shoot.
