Clean Lead Lists for Cold Email Campaigns

Sending cold emails with corrupted {{ first_name }} variables like "Élodie" or "JOHN"?

CleanMyCSV formats scraped lead lists for Lemlist, Instantly, and Clay in seconds to protect your domain deliverability.

Lemlist & Instantly Ready
Proper Case Personalization
Zero Spam Flag Risk

Why Clean Lead Lists Matter for Cold Email Success

Prospecting engines like Apollo, Clay, and PhantomBuster export raw, noisy data. Here is how CleanMyCSV optimizes your campaign variables:

1. Fix Broken Accents & Proper Case Capitalization

Opening cold emails with "Hi JOHN" or "Bonjour Élodie" immediately signals an automated spam script. CleanMyCSV repairs UTF-8 encoding errors, adjusts proper capitalization (turning JOHN into John), and handles international particles (De, Van, Von, Mc, O').

2. Email Address Sanitization & Deduplication

High bounce rates destroy domain sender reputation. CleanMyCSV lowercases emails, strips hidden trailing spaces, corrects double @@ symbols, and removes duplicate leads across scraped lists before you launch your campaign.

3. Multi-Channel Phone & ZIP Code Prep

Running cold outreach across Email, Cold Calling, and LinkedIn? CleanMyCSV normalizes phone numbers into E.164 international formats (+1 or +33) and restores 5-digit ZIP codes stripped by Excel.

4. Seamless CSV Export to Clay, Instantly & Woodpecker

Exporting from Excel with semicolon delimiters (;) causes cold email platforms to misinterpret column mappings. CleanMyCSV converts your output to UTF-8 BOM with standard comma delimiters, ready for instant import.

Protect your domain deliverability and maximize reply rates today.

Simple Pricing. Instant Results.

One-time payment. No hidden subscriptions.

Pro Annual Pass

$99

  • Unlimited cleans for 1 year
  • Files up to 100MB (~1 million rows)
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Express Pass

$9

  • Unlimited cleans for 24 hours
  • Files up to 100MB (~1 million rows)
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Free Trial

$0

  • 2 free cleans per day
  • Files up to 5MB (~50,000 rows)