Clean a Mailchimp Audience in two minutes
Mailchimp charges by audience size and penalizes high bounce and complaint rates, so a bloated, decaying audience costs you twice. Cleaning the audience before your next campaign trims the dead weight, protects your sending reputation, and can lower your bill.
What's hiding in your list
Inactive and never-opening subscribers inflate your audience count — and your Mailchimp tier — without ever generating engagement.
Mailchimp's own cleaned-contacts list only grows after addresses bounce, so it reacts to damage rather than preventing it.
Imported and integrated audiences bring in disposable and role-based addresses that quietly erode your open and click rates.
Email and phone — cleaned in one pass
Verify in one pass
Every email checked for deliverability and every phone validated — in a single upload.
Catch what others miss
Typos, catch-all domains, disposable addresses, dead numbers and silent duplicates.
Flat, simple pricing
Trim the dead weight and lift your open rates. No per-credit math, no surprise overage bills.
Clean leads in three steps
No setup, no integrations, no learning curve. Upload a file, download a better one.
Upload your CSV
Drag in any contact list. We auto-detect email, phone, name and company columns.
We verify everything
Every email checked for deliverability, every phone validated, duplicates flagged — with a live quality score.
Download clean leads
Export a verified, deduplicated list your team can actually call and email.
Email and phone, cleaned in a single upload — see exactly how many bad contacts are hiding in your list before you pay a cent.
100 free verifications · no credit card · results in under 2 minutes
Frequently asked
How do I clean a Mailchimp audience?
Export the audience to CSV, verify it with BounceBlock, then re-import the clean contacts or archive the invalid ones to shrink the audience.
Can cleaning lower my Mailchimp bill?
Often — removing unreachable contacts reduces your billable audience size and improves the engagement metrics Mailchimp watches.
Does this protect my sending reputation?
Yes — fewer bounces and complaints from a verified audience keep you in good standing with both Mailchimp and the mailbox providers.
Stop wasting hours on dead leads.
Upload your list and see how clean it really is — free, in under two minutes.