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Email List Quality Report

One report on a list before you spend money sending to it.

Email Validator Tools Reviews Free · no sign-up

Drop a .csv or .txt list here, or click to choose

Quick Tool Overview

The Email List Quality Report runs every check in this category over a whole list at once — validity, duplicates, disposable and role shares, top domains and typos — and grades the list from A to F.

What it does
Produces one quality report and grade for a whole list
You give it
The full list, pasted or dropped from disk
You get back
A grade from A to F with every figure behind it
Grading
Weighted by what actually predicts a bounce rate
Best for
Auditing a list before importing or sending to it
Email Validator Tools Free, unlimited use No sign-up Runs in your browser

About the Email List Quality Report

Everything the other tools in this category find, on one page, for a whole list. The valid, risky and invalid rates; the duplicate count including the ones an exact match misses; the disposable, role and free provider shares; the likely typos with their corrections; the top domains and top-level domains; and an overall grade from A to F with the reasoning behind it.

It is the report worth running before you import a list you were given, before you pay a platform per subscriber to store it, and certainly before you send to a list you bought — which this will usually tell you not to.

The grade weighs what actually predicts a bounce rate: invalid syntax and throwaway domains count heavily, role accounts and free providers much less, and a clean list of consumer Gmail addresses is correctly graded well rather than penalised for not being corporate.

Key features of the Email List Quality Report

Every check in one place

Validity, duplicates, risk, domains and typos together.

Graded A to F

With the reasoning shown, not just a letter.

Weighted sensibly

A clean consumer list grades well rather than being marked down.

Per-address detail

Export the full breakdown as CSV, not just the summary.

Nothing leaves the tab

Neither the list nor the report is sent anywhere.

How to use the Email List Quality Report

  1. 1

    Paste or drop the list

    The whole thing — the report is about the aggregate.

  2. 2

    Read the grade

    A to F, with the figures that produced it shown underneath.

  3. 3

    Work through the sections

    Validity, duplicates, risk, domains and typos in turn.

  4. 4

    Export the report

    Copy the summary, or download the per-address detail as CSV.

Frequently asked questions

A list from your own signup form should be above 97% well-formed. Below 95% suggests a form with no validation on it; below 85% usually means the list was bought, scraped or typed in from paper.

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