Popular Tools
Email Verification Tools
- Free: Works on millions of email address, at no cost. Support for CSV, TSV, XLS, and more.
- Instant: Validate address formats, traffic ranking, and label free, business, and disposable email addresses.
- Secure & Private: We never share or sell your data.
- Integrations: Verify deliverability and enrich with Hunter.io, Apollo.io, People Data Labs and more
How to Validate Email Address Lists for Free
- Sign up! Free forever with Gigasheet
- Upload your CSV, TSV, Excel file or other file containing email addresses. Gigasheet supports files up to 1 billion rows!
- Click Enrichments and select Gigasheet - Email Format & Alexa Rank (it's free).
- Select the column in your sheet that contains email addresses, and click Run.
Gigasheet will add columns to your sheet with the following information:
- Format: is the address formatted correctly? Returns Correct or Incorrect
- Domain: the top level domain; e.g., gmail.com, walmart.com, etc
- Alexa Rank: the traffic ranking it the domain is among among the top 1 million websites
- Disposition: Free (e.g., gmail, yahoo, outlook, etc.), Organization (company), or Disposable (fake email boxes)
You can easily filter your list of addresses and export the results as a CSV to download. Hit the send button with confidence with Gigasheet!
- First create a free account, then simply upload your CSV, Excel or other file containing email addresses in a single column by clicking +New > File Upload > Browse to select a file from your machine. You can zip your file to save time uploading.
- Next your file will automatically upload (and unzip if necessary). For exceptionally large files you'll see a loading bar while the file parses and loads.
- Once complete, click on the file name in your Library to view the file online. The viewer will open a spreadsheet in a new browser tab for viewing. Here you can apply the Email Verification Tools. Hit Enrichments > Gigasheet - Email Format & Alexa Rank and a dialog box will appear. Select the column containing the addresses you'd like to validate.
- Once you hit Apply, the enrichment will run and information about your email addresses will be added in new columns to the right of the original email column, highlighted in blue. Use Gigasheet to quickly filter, search, or create pivot tables. You can export your file as a CSV by clicking File > Export. A zipped CSV will appear in your Library for download.
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Optional: use data providers to enrich your data and verify deliverability.
Save Money and Protect Deliverability
Stop spending money on toxic email addresses. Clean up your email list to avoid bounces, spam traps and fake emails, and improve your deliverability.
Free Email Verifier
Check a list of millions of email addresses at no cost. Verification returns the domain and traffic ranking. It also detects if the domain belongs to a free consumer service, business, or disposable service.
Instant Email Validation
Improve your delivery rate and clean your email lists using services like Hunter.io, Apollo, Abstract and more. No need to code, just provide your API token.
