Free Marketing Tools to Diagnose,
Fix & Grow Your Website
Powerful calculators, generators, and checkers that diagnose your website, reveal what's costing you traffic, and show you exactly how to fix it.
Recommended Tools
The tools people reach for most on Common Ninja right now.
Free Instagram Grid Splitter
Slice any image into a 3-wide Instagram puzzle feed. Tiles labeled in posting order.
Use Tool →Social MediaFree Bio Link Page Builder
Create a simple bio link page with your links and branding. Copy the HTML.
Use Tool →Social MediaFree Hashtag Generator
Generate 30 optimized hashtags for any platform and niche in seconds.
Use Tool →E-CommerceFree Shipping Cost Calculator
Estimate shipping costs across USPS, UPS, and FedEx based on weight and dimensions.
Use Tool →SEO & ContentFree Heading Structure Analyzer
Analyze your heading hierarchy for SEO issues and accessibility compliance.
Use Tool →Design & ToolsFree OG Image Generator
Create Open Graph images for social media sharing with custom text and styles.
Use Tool →SEO & ContentFree OG Tag Generator
Generate Open Graph meta tags and preview how your page looks when shared.
Use Tool →Design & ToolsFree CSS Button Generator
Create custom CSS buttons with live preview, hover effects, and copy-ready code.
Use Tool →Free Conversion & Traffic Tools
CVR, bounce rate, A/B testing calculators
Free E-Commerce & Sales Tools
Cart abandonment, profit margin, LTV, ROAS, shipping
Free Lead Generation Tools
CPL, landing pages, forms, popups, lead scoring, A/B testing
Free Social Proof & Trust Tools
NPS, CSAT, review requests, reputation score
Free Engagement Tools
Engagement score, gamification ROI, quiz generators
Free Social Media Tools
Engagement rate, hashtags, UTM links, bio pages, Instagram grid
Free SEO & Content Tools
Meta tags, schema, slugs, robots.txt, headings, word count
Free Design & Component Tools
CSS buttons, color palettes, box shadows, favicons, OG images
Free Business & Marketing Tools
CAC, churn rate, marketing budget, ROI, burn rate
Build Your Own Tool
Create custom interactive tools and calculators for your website with Embeddable. No coding required.
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