DievioFree B2B Lead Generation Tools
Find prospects, clean contact files, prepare emails and plan campaign economics. Use your own text and files, then copy or download the results.
22 tools available
Find prospects
Turn a target role or company into search queries and candidate email patterns before building a contact list.
LinkedIn X-ray & Boolean Search Builder
Build LinkedIn Boolean queries and Google or Bing X-ray searches from job titles, skills, companies and locations. Copy each query or open a web search.
Use free tool →Company Search Query Builder
Create targeted web, Google Maps and LinkedIn company searches from an industry, city and buying signals. Start researching companies without a paid database.
Use free tool →Email Permutator
Generate possible work email addresses from a first name, last name and company domain. Use single-contact or CSV mode and export candidates with their patterns.
Use free tool →Email Pattern Detector
Identify observed company email patterns from known names and addresses. Compare matching formats by domain and see ambiguous or unmatched examples.
Use free tool →Clean contact data
Extract, compare, map and split your own contact files. Keep a useful list without uploading it.
Email Extractor
Extract unique email addresses from pasted text, HTML source or a local text file. Copy the extracted list or download a CSV of addresses and domains.
Use free tool →Email List Cleaner
Remove duplicate email entries, separate malformed addresses and label common personal, role and disposable-domain addresses. Export clean and review lists separately.
Use free tool →Email List Compare & Suppression Tool
Compare two email lists to find shared addresses, entries unique to each list and contacts to keep after suppressing list B. Export each group.
Use free tool →Domain Extractor
Extract domains from URLs, email addresses and pasted text. Choose hostnames or registered domains, remove common personal-email providers and export a unique list.
Use free tool →Contact CSV Column Mapper
Map the columns in any contact CSV to a consistent first name, last name, email, company, title, phone and domain format. Review missing fields before exporting.
Use free tool →CSV Splitter
Split a CSV by row count or by the value in a column. Preserve headers, quoted commas and multiline cells, then download each part separately.
Use free tool →Phone Number Validator & E.164 Formatter
Check phone-number format against international numbering metadata and convert valid-format numbers to E.164. Process one number or a newline-separated list.
Use free tool →Lead List Quality Audit
Audit your own CSV for missing contact fields, duplicate emails and malformed addresses. See which rows need attention before importing or preparing outreach.
Use free tool →Prepare outreach
Check your copy and subject lines, preview personalized messages and prepare reusable email content.
Cold Email Copy Checker
Check a cold email for length, multiple calls to action, common high-pressure phrases, missing merge fields and a missing opt-out. Get transparent editing suggestions.
Use free tool →Email Subject Line Tester
Compare email subject lines for character count, word count, punctuation and unresolved personalization. Preview how a shortened subject might look on mobile.
Use free tool →Spintax Builder & Tester
Build spintax from alternative phrases or validate an existing template. Preview unique message combinations while leaving double-brace personalization tags intact.
Use free tool →Mail Merge Preview
Preview an email template against your own CSV rows before sending. Find unknown variables and empty cells, with optional fallback values for missing personalization.
Use free tool →HTML Email to Plain Text Converter
Convert email HTML source into readable plain text. Keep useful link destinations and personalization tags while stripping markup, scripts and styles.
Use free tool →Email Signature Generator
Create a simple email signature from your name, role, company and contact details. Copy formatted HTML or plain text without an account or branded tracking image.
Use free tool →Plan your pipeline
Estimate the audience, volume and economics of an outbound campaign using your own assumptions.
Outreach Volume Calculator
Work backward from a meeting goal to the number of unique prospects and maximum emails required. Use your reply and meeting rates, outreach period and sequence length.
Use free tool →Cold Email ROI Calculator
Model campaign revenue, expected customers, acquisition cost and break-even customer value from your own funnel assumptions. Compare lower and higher reply-rate scenarios.
Use free tool →TAM SAM SOM Calculator
Estimate market size using company counts, annual customer value and realistic reachable and capture shares. Compare total, serviceable and obtainable markets.
Use free tool →Read email headers
Inspect the delivery trail and authentication results reported in a message header.