Free · no sign-up · runs in your browser
All tools
Everything in the toolkit — 36 free, instant tools across 6 families. Ready to use the moment they load.
Campaigns & URLs6 tools
UTM Link BuilderBuild tagged campaign URLs with live URL-encoding and one-click copy.URL / Tracking CleanerStrip utm_* and tracking parameters from any URL to get a clean link.URL & UTM ParserBreak any campaign URL into its parts with a decoded parameter table.QR Code GeneratorTurn any link or text into a downloadable QR code — custom size and colours.UTM ValidatorBulk-check campaign URLs for missing tags, casing, spaces and duplicates.UTM Campaign Naming GeneratorGenerate consistent campaign names your whole team can follow.
SEO & Search13 tools
SERP Snippet PreviewPreview your title & meta description as a Google result with length meters.Keyword Density AnalyserPaste copy and see word and phrase frequency, counts and percentages.URL Slug GeneratorTurn any headline into a clean, lowercase, SEO-friendly URL slug.Meta & OG Tag GeneratorGenerate title, description, canonical, Open Graph and Twitter tags.robots.txt GeneratorBuild valid crawl rules, bot blocks and a sitemap line for your site root.robots.txt TesterCheck whether any URL is allowed or blocked, and see which rule decided it.XML Sitemap GeneratorTurn a list of URLs into a valid sitemap.xml with lastmod and priority.Schema Markup ValidatorPaste JSON-LD and check syntax, required properties and rich-result issues.XML Sitemap ValidatorCheck a sitemap for XML errors, bad URLs, dates, duplicates and size limits.Redirect CheckerTrace every hop in a URL's redirect chain and spot loops or lost equity.HTTP Status Code CheckerBulk-check status codes for up to 25 URLs — find 404s, 500s and redirects.SEO Page CheckerPaste page HTML and audit title, meta, headings, alt text and social tags.Schema Markup GeneratorBuild valid JSON-LD structured data for articles, products, FAQs and more.
Ecommerce & Pricing7 tools
ROAS & Break-Even CalculatorROAS, POAS, ACoS, profit and the break-even ROAS your margin requires.Discount & Margin CalculatorSee the true margin hit of a promo and the extra volume it must drive.Markup vs Margin PricingPrice from a target margin or markup and see profit per unit, tax included.Profit Margin CalculatorCalculate profit margin, markup percentage and gross profit from cost and selling price.VAT CalculatorAdd VAT to a net price or remove VAT from a gross total with any tax rate.Ecommerce Profit CalculatorTrue profit after product cost, shipping, payment fees and ad spend.Payment Fee CalculatorCalculate payment processing fees and effective rate for any transaction.
Advertising & Marketing4 tools
CPM, CPC & CPA CalculatorEvery core ad efficiency metric from spend, impressions, clicks and orders.CTR CalculatorClick-through rate from clicks and impressions — or reverse it to hit a target.ROI CalculatorReturn on investment, profit and return multiplier from any spend and return.Ad Budget CalculatorPlan total budget and daily spend from target conversions and CPA.
Analytics & Conversion4 tools
CAC, LTV & PaybackAcquisition cost, lifetime value, LTV:CAC ratio and payback period.A/B Test SignificanceUplift, p-value and confidence for your split test using a z-test.A/B Test Sample SizeHow much traffic your test needs to detect an uplift — and how long it runs.Funnel & Conversion RatesStep-to-step conversion, drop-off and overall rate — find your biggest leak.
Instant
Every tool runs in your browser the moment it loads.
Private
Nothing leaves your browser. We don't store your data.
Free forever
No accounts, no paywalls, no limits.