Column analyzer
Profile completeness, unique values and data types. Free, private and browser-based.
Read-only viewerFree workspace supports five open files. Each file can be up to 100 MB.
Profile completeness, unique values and data types. Free, private and browser-based.
Read-only viewerFree workspace supports five open files. Each file can be up to 100 MB.
Get a quick profile of every column in a data file: how many cells are filled or empty, how many values are unique, and what type of data each column holds (numbers, dates, text). It is the fastest way to understand an unfamiliar export before you clean it, import it or analyse it.
Tip: A column that should be all numbers but shows as text usually has a stray symbol, space or currency sign somewhere.
Completeness (filled vs. empty), uniqueness (how many different values) and the data type of each column.
It shows problems before they cause errors: missing values, IDs that are not unique, numbers stored as text.
CSV, XLS and XLSX.
Yes, in CSV Studio's Data Lens, or send the columns to Math Studio for statistics.
No. The file is opened and processed in your browser; it never leaves your device and nothing is stored on a server.