Free tools
Small Free ToolsThat Do One Job Well
No signup, no limits games, no ads. Paste, click, get your answer. I built these for my own marketing work and left them open for everyone.
Bulk broken link checkerPaste up to 500 URLs and see which are dead, redirected, blocked, or fine, each with its real status code.YouTube tag extractorPaste any YouTube link and copy the exact tags the creator added to that video, one click per tag or all at once.Twitter card validatorSee the card X will actually show for any link, which tag is missing, and how to fix it. The replacement for the retired official validator.Internal link checkerSee every link on a page with its anchor text, rel attributes, and live status, split into internal, subdomain, and external.ROI calculatorWork out return on investment, net return, and annualised return, with the arithmetic shown so you can check it.Engagement rate calculatorCalculate your engagement rate on any platform, pick the denominator that matches your benchmark, and see how you compare.Discount calculatorPercent off, the original price from a sale price, and stacked discounts worked out properly, because 20% then 10% is not 30% off.CPA calculatorWork out cost per acquisition alongside CPC, CPM, CTR, and conversion rate, and see the break-even CPA your margins actually allow.Markup calculatorMarkup and margin side by side from the same two numbers, so a 30% markup never gets mistaken for a 30% margin again.
More tools are on the way. If one would save you time, tell me what to build.