Matrive

Lead List Cleaner

Browser-only MVPExport files

CRM-ready lead list preparation

Clean, format, deduplicate, and export lead lists before import.

Upload a CSV or XLSX, map your columns, choose cleanup rules, review every issue, and download clean audit files for your CRM or outreach tool.

4

Export files

15

Core fields

0

Paid APIs

Upload lead list

Your file is processed locally in your browser in this first version.

CSV/XLSX
Email checks validate format only. This version does not verify deliverability or connect to paid enrichment services.
  1. 1Upload
  2. 2Map
  3. 3Clean
  4. 4Review
  5. 5Export

Column mapping

Upload a file to map source columns to lead fields.

Full Name

Do not import

First Name

Do not import

Last Name

Do not import

Job Title

Do not import

Company Name

Do not import

Website

Do not import

Domain

Do not import

Email

Do not import

Phone

Do not import

LinkedIn URL

Do not import

City

Do not import

State

Do not import

Country

Do not import

Tags

Do not import

Notes

Do not import

Results overview

0 rows analyzed

Quality

0%

Total

0

Clean

0

Review

0

Duplicates

0

Same company

0

Invalid emails

0

Missing emails

0

Missing co/domain

0

Preview cleaned data

Run the cleaner to preview status, issues, and cleaned fields.

Code guide: C001 means same company/domain group. D001 means likely contact duplicate group. The audit workbook includes a Code Legend sheet with row-level meanings.
StatusDuplicate TypeFull NameJob TitleCompanyCompany For EmailEmailPhoneWebsiteDomainCompany Group CodeCityCountryIssues
Upload a file and run the cleaner to see the preview table.

Export clean files

Downloads use the audit columns requested for CRM import review. The XLSX workbook includes a Code Legend sheet.

CSV/XLSX downloads

FAQ

Are emails verified?

No. This version only validates email format and flags generic inboxes.

Does the file leave the browser?

No. This first version processes uploads locally in the browser.

Can I import the export into a CRM?

Yes. The clean and audit CSVs include normalized fields plus row status and issues.

How are duplicates found?

Rows are grouped by normalized email, domain, full name plus company, and LinkedIn URL.