Address list formatter and CSV cleanup

The address list formatter applies proper casing to every field: names, street lines, city, and state abbreviations. This prevents mismatched formatting that can cause mail piece rejections or delivery delays. After cleaning, your CSV is ready to import into any mail platform or upload directly to Cheap RUSH Printing when ordering bulk postcards and mailers.

Yes. The dedupe addresses function scans your list for exact matches and near-matches based on street number, name, and ZIP, then flags or removes redundant records. Cutting duplicate entries reduces your print run count and postage spend before you order bulk mailing pieces from Cheap RUSH Printing or submit your final list to USPS.

Toggle to international mode and the tool reorders fields to match country-specific conventions, such as placing the postal code before the city in European formats. Country codes are added automatically, and lines are trimmed to avoid overflow on the address block. This keeps your bulk mailing list organized whether you ship domestically or abroad.

Absolutely. Data cleanup handles your address records, but it does not place or verify the indicia area on your artwork. You still need to reserve a clear zone for the postage permit or stamp on each piece. When you order postcards or mailers through Cheap RUSH Printing, check the template specs for the correct indicia placement before uploading.

Yes. The browser tool is free and private, but if you would rather not rely on it alone, upload your files via our complimentary file uploader and request Human + AI help with “Addresses”. Our prepress team will review manually — with AI assistance — and reply for free.