CCSV Local Tools
Import readiness

Validate required columns, blank values, and unique keys

Describe the required columns and unique-key field for your import. The validator returns explainable row-level errors.

No uploadNo accountFree to use
1

Choose your CSV

Local processing
Drop a CSV hereor choose a file · up to 50 MB Download a safe sample

Not sure? Start with UTF-8 and change this if the preview is garbled.

2

Configure the result

Choose a CSV to begin.
How it works

From source file to checked output

  1. 1

    Load the CSV and list required column names.

  2. 2

    Choose the unique-key column if one is required.

  3. 3

    Run validation and download the error report.

Built for operations

Useful before it becomes a workflow

These tools target repetitive catalog and operations tasks. Today each action is free and local. Reusable mappings, batch execution, automation, and APIs will only be built when repeated demand is proven.

Important boundary

Always validate output against the destination system’s current specification. This site is independent and is not certified by a marketplace.

Questions

Before you process a file

Does this know every marketplace template?

No. This version validates rules you specify. Platform-specific templates will only be added from current official specifications or lawful user-provided templates.

What errors are checked?

Missing headers, blank required values, blank unique keys, and duplicate non-blank key values.

Are row numbers the same as my spreadsheet?

Reported row numbers include the header row, so the first data record is row 2.