Free Tools

Free marketing tools

The same checks and generators our team runs for clients. No signup — run one, see what's broken, fix it today.

LLMs.txt Generator→

Generate an llms.txt file from your site's sitemap, with real per-page titles and descriptions.

Broken Link Checker→

Scan a page's links and flag 404s, redirects, and connection errors.

SEO Meta Title & Description Generator→

Get title/description options scored against ideal length ranges, from a URL or a topic.

Schema Markup Validator→

Check JSON-LD structured data on a page, or a pasted snippet, against Schema.org requirements.

Image SEO Checker→

Scan a page's images for missing alt text, non-descriptive filenames, and oversized files.

Google Ads Copy Generator→

Get 15 headlines and 4 descriptions for Responsive Search Ads, from a URL or a topic.

AI Product Description Generator→

Get 3 description options tuned to your target marketplace's tone and format.

Product Title Generator→

Get 5 keyword-rich title options structured for your target marketplace's catalog algorithm.

Product Image Compressor→

Paste a product page or image URL, pick a compression level, and download a smaller version.

Store Compliance Checker→

Audit a store against Google Shopping / Merchant Center policy risk signals.

Shopify Theme Checker→

A real visual audit from actual desktop and mobile screenshots, judged across 30 checks.

Shopify Profit Margin Calculator→

Net profit and margin per order after cost of goods, shipping, payment fees and ads — plus the price and ad budget a target margin needs.

LLMs.txt Validator→

Check an existing llms.txt file against the spec — structure, link format, and broken links.

UTM Builder→

Build a properly tagged campaign URL for tracking traffic sources in Google Analytics.

Robots.txt Generator→

Build a robots.txt file — control which paths and AI crawlers can access your site.

Sitemap Generator→

Crawl your site two levels deep and generate a valid sitemap.xml — no signup.

Schema Markup Generator→

Generate JSON-LD schema.org markup from a URL or description, grounded in real, verifiable facts.

AI Visibility Tool→

See how often your brand shows up when ChatGPT, Perplexity, Gemini, or Claude get asked about your category. Bring your own API key.

AEO / AI-Search ROI Calculator→

Model the pipeline and revenue impact of AI-search visibility, through to attributable and influenced ARR.

Customer Lifetime Value Calculator→

CLV for a repeat-purchase or subscription business, with gross margin built in and acquisition cost beside it.

CTR Calculator→

Get your click-through rate in seconds, or work backwards from a click target to the impressions it takes.

CPM Calculator→

Work out cost per thousand impressions, or the budget a reach target needs.

Conversion Rate Calculator→

Calculate conversion rate from visitors and conversions, choose sessions or users as your basis, and see what a target rate is worth.

ROAS Calculator→

Return on ad spend, plus the gross margin math that tells you whether the ratio actually made money.

Redirect Checker→

Trace the full redirect chain for any URL: every hop, status code and response time, with flags for loops, long chains and 302s.

Keyword Density Checker→

Check keyword density for any URL or text, with one, two and three word phrases and where each term appears on the page. No invented targets.

FAQ Schema Generator→

Generate valid FAQPage JSON-LD from your questions and answers, then check the answers really appear in your page source. Free, and no signup.

CPC Calculator→

Free CPC calculator: cost per click from spend and clicks, or from your CPM and CTR, plus the maximum you can pay and still hit your target CPA.

CPA Calculator→

Free CPA calculator: work out cost per acquisition from spend and conversions, or from your CPC and conversion rate, and the most you can pay.

Break-Even ROAS Calculator→

Free BEROAS calculator: find the ROAS where your ads stop losing money, build the margin from your costs, and see what a profit target needs.

Want to go deeper on the theory? Read the blog.

Zaprev

Zaprev

Zaprev