Clean emails, normalize phone numbers, detect countries, split contact groups, and export CRM-ready CSV files.
Secure storage. Smarter filters. Cleaner campaigns.
Dirty lists hurt deliverability, waste sales time, damage sender reputation, and make CRM imports messy. Validate Sheets fixes the data before it reaches your campaigns.
Start Cleaning FreeWhether you manage 1,000 or 1,000,000 contacts, Validate Sheets keeps your database organized, searchable, and export-ready.
A complete validation workflow for emails, phones, countries, filters, exports, and client-safe storage.
Upload CSV files or import a public Google Sheet. Validate Sheets reads headers and helps detect the correct email column.
Normalize emails, extract domains, check DNS and MX records, cache results, and classify rows as high score, risky, invalid, or unknown.
Detect phone numbers, normalize them with a leading plus sign, add country codes, and filter records by country.
Create separate CSVs for email and phone, email only, phone only, rejected, risky, valid, no email, or no phone records.
Search and filter by row status, validation score, duplicates, trash, country, and contact data quality.
Users can report bugs and receive replies inside the app, so support messages stay visible even if email delivery fails.
Validate Sheets is used across every industry that manages contact databases.
No complicated setup. Upload, validate, filter, split, and export the records you actually need.
Import a CSV file or public Google Sheet. Works with flexible column layouts and helps detect your email field.
The system checks emails, domains, MX records, phone formats, duplicates, country data, and row quality.
Create focused files for valid records, risky rows, email-only contacts, phone-only contacts, rejected records, or country-specific lists.
Invalid contacts don't just waste money — they actively damage your business.
Run every list through our validator before sending. Catch bad data at the source — not after your metrics tank.
No setup fees. No contracts. Cancel anytime.
Try one sheet free
For growing teams and heavy use
No limits, full power
Free includes one lifetime upload. If you reach the limit, you will see an upgrade prompt before another upload. Existing sheets and data are not affected.
Your sheet is uploaded to private storage for processing. Each client uses its own storage path. Data is not sold or shared with third parties, and you can delete sheets when needed.
Yes. Cancelling stops the next billing cycle. You keep full access until the end of the period you have already paid for.
After checking the email format, the app queries DNS to confirm the domain has an MX record — meaning it is set up to receive email. This catches many bad domains that pass a basic format check.
Yes. Validate Sheets can detect phone numbers, normalize them with a plus sign, identify country details, and add phone fields to exports.
Exports are plain CSV files compatible with Mailchimp, GoHighLevel, HubSpot, Salesforce, ActiveCampaign, Klaviyo, iTech CRM, etellu CRM, and any system that accepts CSV imports.