Free data tools

Practical tools for working with contact and business data files. Everything runs in your browser — your files are never uploaded or stored.

• CSV row counter

  Count rows and columns in a CSV file of any size, instantly, without uploading it.

• CSV duplicate checker

  Find exact duplicate rows, or duplicates on a chosen column such as phone or email, and download a de-duplicated file.

• CSV field analyzer

  See how complete every column is: filled-in percentage, distinct values and sample formats.

• CSV splitter

  Split a large CSV into smaller files by row count, keeping the header row in every part.

• Phone number formatter

  Normalise phone numbers to international E.164 format and flag invalid numbers, one per line or a whole CSV column.

• Country code normalizer

  Convert country names and codes (UK, U.S.A., Deutschland) into ISO 3166 alpha-2 codes and calling codes.

• Pack calculator

  Work out how many 50K SmartPacks you need and what it costs, based on current live prices.