Free tools for founders

13 free tools that do real work: generate ideas from what you already know, name the business and check the domain in one click, draw a logo, validate an idea, roast a landing page, size a market, model runway, and decide whether to kill a venture. 5 run entirely in your browser and are free forever. 8 call the engine and are capped per day, because they cost us real inference. None of them need an account.

Engine-backed · capped per day

Idea ValidatorPaste one sentence about your idea. Get a scored verdict, the strongest signal for it, and the risk most likely to kill it — free, no account.Open Startup Name & Domain CheckerType a startup name, see which domains are actually free across .com, .io, .ai, .co and more. Instant, no account, no upsell to a registrar.Open Landing Page RoastPaste your URL. Get an honest score and the three fixes that will move conversion most — in order, with the reason. No signup.Open SaaS Idea GeneratorFour SaaS ideas built from what you already know — each with a named buyer, the catch, and a test that costs under $100. Free, no account.Open Business Idea GeneratorFour business ideas matched to your skills and your actual starting budget — with the catch and the first test written out. Free, no account.Open Side Hustle Idea GeneratorFour side hustles that survive a full-time job — matched to your skills and the hours you actually have, with time to first dollar. Free, no account.Open Business Name GeneratorTwelve names in three shapes, each checked against the .com as it is generated — so you only look at names you could register today. Free, no account.Open Competitor FinderDescribe what you want to build. It searches the live web and returns who already sells it, what they charge, and what their customers complain about — with every source linked.Open

In your browser · free forever

TAM / SAM / SOM CalculatorSize your market in four inputs — and see the assumptions written out, so you can defend the number instead of quoting it.Open MRR & Runway CalculatorHow many months you have left, accounting for growth — and the month your revenue finally covers your burn.Open Pricing Page GraderTen weighted checks on the page where buyers decide. Score it in two minutes and fix the leaks in order of what they cost you.Open Kill-or-Continue QuizSix questions on evidence, not feelings. Get a verdict — continue, fix one thing, set a deadline, or kill it — and the reason.Open Business Logo GeneratorTwelve logo lockups from your business name, in your browser. Download real SVG, PNG and a 512px app icon. Free forever, no account, no watermark.Open

The procedures that use them

Every tool sits inside a step-by-step SOP that says when to reach for it and what to do with the answer.