Free B2B Data Tools
Free tools for sales and marketing teams. No signup required for the first 25 uses per day. Just enter your data and get instant results backed by live DNS checks and real calculations.
Email Format Finder
Use this free email format finder to discover the most common email patterns at any company. Enter a domain to see formats like first.last@, flast@, firstl@, and 30+ other variations — ranked by likelihood.
Open toolData Quality Score Calculator
Score your CRM data quality based on key metrics. Input your bounce rate, duplicate rate, and data age to get an instant health grade.
Open calculatorCRM Cleanup ROI Calculator
Calculate how much bad CRM data is costing your business. See the ROI of cleaning and enriching your database.
Open calculatorEmail Syntax Validator
Check if an email address has valid syntax. Instantly detect formatting errors, invalid characters, and common typos.
Open validatorTAM Calculator
Estimate your Total Addressable Market by industry, geography, and company size. See how many decision makers Cleanlist can reach.
Open calculatorFree Email Verification Tool
Verify any email address in seconds. Check deliverability, detect disposable domains, and catch typos before you send.
Verify emailFree Domain Validator
Live MX, SPF, DMARC, and NS record lookups for any domain. Catch deliverability issues before you launch.
Validate domainB2B Contact Finder
Find business contacts by company domain. Get predicted email formats, company intelligence, and enrichment previews — free.
Open toolNeed more than 25 checks per day?
Cleanlist's free tier includes 30 credits, bulk verification, full SMTP-level email checks, domain reputation, and access to the API. Pricing starts at $29/mo for production workloads.