About ESM Toolbench
ESM Toolbench is a growing collection of small, focused tools that solve the everyday tasks marketing, SEO and ecommerce professionals run into — building UTM links, cleaning tracking params, previewing SERP snippets, checking keyword density and more.
Every tool runs entirely in your browser. There's no sign-up, no database, and nothing you paste ever leaves your device. That makes them fast and private by design.
New tools are added regularly. If there's one you wish existed, let us know.
Privacy & analytics
Every tool runs entirely in your browser — nothing you type or paste is sent anywhere. If you accept cookies, we use Google Analytics to count anonymous page views so we know which tools to improve. No ads, no cross-site tracking, nothing sold. You can change your choice any time via "Cookie settings" in the footer.
Currently available
- UTM Link Buildercampaigns
- URL / Tracking Cleanercampaigns
- URL & UTM Parsercampaigns
- QR Code Generatorcampaigns
- UTM Validatorcampaigns
- UTM Campaign Naming Generatorcampaigns
- SERP Snippet Previewseo
- Keyword Density Analyserseo
- URL Slug Generatorseo
- Meta & OG Tag Generatorseo
- robots.txt Generatorseo
- robots.txt Testerseo
- XML Sitemap Generatorseo
- Schema Markup Validatorseo
- XML Sitemap Validatorseo
- Redirect Checkerseo
- HTTP Status Code Checkerseo
- SEO Page Checkerseo
- Schema Markup Generatorseo
- ROAS & Break-Even Calculatorecommerce
- Discount & Margin Calculatorecommerce
- Markup vs Margin Pricingecommerce
- Profit Margin Calculatorecommerce
- VAT Calculatorecommerce
- Ecommerce Profit Calculatorecommerce
- CPM, CPC & CPA Calculatoradvertising
- CTR Calculatoradvertising
- ROI Calculatoradvertising
- Ad Budget Calculatoradvertising
- Payment Fee Calculatorecommerce
- CAC, LTV & Paybackanalytics
- A/B Test Significanceanalytics
- A/B Test Sample Sizeanalytics
- Funnel & Conversion Ratesanalytics
- Word Counter & Readabilitycontent
- Headline Analysercontent