Free AI, SaaS & SEO Tools
Free calculators and AI helpers for founders, marketers and bloggers. No sign-up, nothing to install — everything runs in your browser.
AIAI Token & API Cost CalculatorEstimate what an LLM feature will cost per request, per day and per month from token counts and your model’s price per million tokens.Open toolAIAI Prompt GeneratorTurn a rough idea into a structured prompt with role, context, audience, tone, format and constraints — ready for ChatGPT, Claude or Gemini.Open toolAIBlog Title Generator & Headline AnalyzerGenerate 20+ click-worthy blog titles from one keyword and score any headline for length, power words and structure.Open toolSaaSSaaS Metrics Calculator (MRR, ARR, LTV, CAC)Calculate MRR, ARR, customer lifetime, LTV, LTV:CAC ratio and CAC payback period from five inputs.Open toolSaaSSaaS ROI CalculatorWork out whether a software subscription pays for itself: time saved, monthly savings, ROI and payback period.Open toolSEOSERP Snippet Preview & Meta Tag GeneratorSee how your title and meta description look in Google on desktop and mobile, with pixel-width checks and ready-to-paste meta tags.Open toolSEOWord Counter & Keyword Density CheckerCount words, characters and sentences, check reading time and readability, and find your most-used keywords and phrases.Open toolSEOUTM Link BuilderBuild clean, consistent UTM-tagged campaign URLs for Google Analytics in seconds.Open toolSEOFAQ Schema Generator (JSON-LD)Create valid FAQPage structured data for any page. Add questions, copy the JSON-LD and paste it into your page.Open toolSEOImage Compressor & WebP ConverterShrink and resize images and convert them to WebP or JPEG right in your browser — nothing is uploaded.Open toolTechStrong Password GeneratorGenerate strong random passwords with the length and characters you choose, with an entropy-based strength meter.Open toolBusinessLoan EMI CalculatorCalculate monthly EMI, total interest and total payment for a business, home or personal loan, with a yearly breakdown.Open toolBusinessProfit Margin & Break-even CalculatorFind gross margin, markup and profit per unit, then see how many sales you need to break even on fixed costs.Open tool