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The Mezvic Free Tools Library
18 professional-grade tools for SEO, eCommerce, AI automation, and marketing ROI, built by Mezvic to help you grow smarter. Every tool is completely free, no account needed.
18Free Tools
5Categories
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SEO Tools
Optimise your content, keywords, URLs, and meta tags for better search rankings
New
Instant SEO Audit Tool
Enter any website URL to instantly audit title tags, meta descriptions, H1s, images, mobile-friendliness, and page speed. Get a full PDF report delivered straight to your inbox.
Word Counter
Count words, characters, sentences, paragraphs, and reading/speaking time instantly. Includes top word frequency chart and content length benchmarks.
Keyword Density Checker
Analyse keyword frequency and density percentage in any content. Includes placement scoring (first 100 words, first 10%), highlighted output, and full frequency table.
Meta Title & Description Previewer
See exactly how your page appears in Google desktop, mobile, and social media before publishing. Live character counts, truncation warnings, and score cards.
Readability Score Checker
Calculate Flesch Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog, and SMOG scores. Includes sentence difficulty breakdown and audience description.
URL Slug Generator
Convert any title into a clean, SEO-friendly URL slug. Custom separators, case formats, stopword removal, max length, bulk mode, and full slug history.
SEO ROI Calculator
Calculate your 12-month SEO return on investment from traffic, conversions, and revenue per lead. Includes break-even month, vs Google Ads comparison, and monthly projection table.
eCommerce Tools
Optimise your Amazon listings, Etsy tags, margins, and PPC performance
Etsy Tag Generator
Generate all 13 SEO-optimised Etsy tags from your product title, description, category, and style keywords. Includes Etsy listing preview, tag count ring, and CSV export.
eCommerce Profit Margin Calculator
Calculate true net profit margin across Amazon, Shopify, eBay, Etsy, TikTok Shop, and Walmart. Full P&L breakdown, monthly projections, platform fee comparison, and volume slider.
Popular
Amazon PPC ACoS Calculator
Calculate ACoS, TACoS, ROAS, break-even ACoS, and target ACoS for your Amazon PPC campaigns. Includes bid recommendations, per-unit P&L, and campaign type comparison.
Amazon Listing Score Checker
Score your Amazon listing across 10 ranking factors: title, bullets, images, A+ content, reviews, pricing, and more. Get a prioritised fix list to improve your BSR.
AI Automation Tools
Discover automation opportunities and calculate the ROI of email automation
Best Lead Magnet
Business Automation Audit
Answer 20 questions about your workflows to get an automation readiness score, ranked opportunity cards with ROI estimates, and a personalised 90-day action plan.
Email Automation ROI Calculator
Calculate monthly email revenue, ROI percentage, and payback period from your list size, open rate, and conversion metrics. Includes sequence breakdown and 12-month growth projection.
Marketing ROI Calculators
Justify every marketing spend with data-driven ROI projections before you commit
Google Ads Budget Calculator
Calculate your recommended monthly Google Ads budget from target leads, CPC, and CVR. Includes campaign type split, budget health score, industry benchmarks, and 6-month planner.
SEO ROI Calculator
Project your 12-month SEO return with traffic growth modelling, break-even month detection, and side-by-side SEO vs Google Ads cost comparison. 6 industry presets.
Email Marketing ROI Calculator
See your projected monthly email revenue, ROI %, and payback period. 4 industry presets, sequence-by-sequence revenue breakdown, and benchmarks vs industry averages.
eCommerce Profit Margin Calculator
Know exactly what you keep after every platform fee, ad spend, and COGS. 7 platforms, 5 currencies, animated margin gauge, platform comparison chart, and monthly projections.
Website Performance Tools
Measure and improve your website's speed, Core Web Vitals, and Lighthouse scores