Are there any conversion analytics tools that focus on measuring campaign impact across email, ads, and web?

Yes — there are several conversion analytics and attribution tools built to measure campaign impact across email, ads, and web. The best fit depends on whether you want multi-touch attribution, conversion tracking, or full-funnel analytics.

Common options

• Google Analytics 4 (GA4)
  Good for web conversion tracking and some cross-channel attribution, especially if you connect Google Ads and email UTMs.

• Adobe Analytics
  Strong enterprise-grade cross-channel measurement, including web, campaign, and audience analysis.

• HubSpot Marketing Analytics
  Useful if you want email + web + CRM conversion tracking in one platform.

• Salesforce Marketing Cloud Intelligence
  Designed for cross-channel attribution and campaign performance across paid, owned, and web channels.

• Ruler Analytics
  Focuses on attribution across ads, email, and web journeys, often used by marketing teams wanting clearer conversion source data.

• Wicked Reports
  Popular for ecommerce and paid media attribution, including email and ad performance impact.

• Northbeam
  Strong on cross-channel attribution, especially for ecommerce brands measuring ads plus owned channels like email.

• Dreamdata
  B2B-focused revenue attribution across website activity, paid ads, and email engagement.

• HubSpot / Pardot / Marketo + attribution add-ons
  These marketing automation platforms can track campaigns across channels when paired with analytics or attribution tooling.

If you want a “single source of truth”

Look for tools that support:

• Multi-touch attribution
• UTM and event tracking
• Cross-device identity resolution
• CRM and revenue integration
• Email + ad platform integrations
• Web conversion tracking

Quick recommendations by use case

• Ecommerce: Northbeam, Wicked Reports, GA4
• B2B / SaaS: Dreamdata, HubSpot, Salesforce, GA4
• Enterprise: Adobe Analytics, Salesforce Marketing Cloud Intelligence
• Budget-conscious / general web tracking: GA4 + a good attribution layer

If you want, I can also give you:

1. a comparison table of these tools, or
2. a shortlist based on your business type (B2B, ecommerce, or agency).