Address List Cleaning

Stop wasting money on mailings and shipping products to addresses that do not exist - just upload your addresses here and we'll validate and correct them for you.

With our Address Validation service, cleaning address data is very easy: just upload a CSV file with your addresses here - the first 100 address validations are FREE!

Start Your FREE Trial Now

International Address List Validation

Our global address validation service allows you to check postal addresses in 240 countries world-wide.

International address verification
US Postal Service USPS/CASS certified
Address correction, standardization and re-formatting according to international standards
Address list de-duplication

Upload your addresses as comma-separated values (CSV) files. CRM systems, databases and spreadsheet software like Microsoft Excel are capable to export data to CSV.

Do you have a customer account already? Please login here.

Register for Your Free Address Validation Account!

With our address validation service you can check up to 100 addresses for free - just register for your free account here and we send you an email with the details.

Your First Name (*)

Your Last Name (*)

Your Company/Organisation (*)

Your Business Email (*)

An email with a personalized download link for your validation results will be sent to this address. Please enter your business email - we do not accept free email addresses for the trial registration.

EU General Data Protection Regulation (GDPR)
Please choose one of the options below: I agree to the legally binding conclusion of the standard data processing agreement with Byteplant. Please download the data processing agreement and the documentation of the technical and organisational security measures to keep it with your documents. This account will never be used to process data of EU citizens, and is exempt from EU data protection legislation. I will negotiate an individual data processing agreement with Byteplant. The processing of your data will be suspended until the conclusion of this agreement.

Validation Task Details

Task Name (*)

Choose a unique name that allows you to identify this task.

Country (*)

Select the country where your addresses are from. To validate addresses from different countries, please select the international option and make sure your CSV file contains a 'Country' column with either the country name or the ISO country code (e.g. US for the United States).

Language (*)

Select the output language (local language is usually the best option). For some countries, only English and the preferred local language used by the country's postal service is supported.

Output Charset

Select the output charset (UTF-8 is usually the best option).

Address List File (*)

CSV files only (Unicode UTF-8/UTF-16), one address per line, use comma (',') as column separator. Please provide these column headers: street address, address line 2, postal code, city, state, country.

Excel files must be exported to CSV first:

Open the file in Excel.
Click Menu | Save As (Other Formats).
Enter a name for the file and choose "Unicode Text (*.txt)".
Click Save.

The free trial is limited to 100 addresses.