Advanced free browser tool

CSV Statistics Analyzer

Profile a CSV before importing it. Detect delimiters, infer column types and reveal missing values, duplicate rows, numeric ranges and suspicious data without uploading the file.

Evidence, not guessworkNo sign-up · Local processing
CSV

CSV Statistics Analyzer workspace

Fast, private and designed for touch

BROWSER ONLY

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✓ Automatic delimiter and type detection✓ Missing, unique and duplicate counts✓ Numeric min, max and average✓ Downloadable data-quality report

A focused three-step workflow

How to use the csv statistics analyzer

  1. 1

    Add only what the tool needs

    Enter the relevant values, paste the source or select a local file. Input remains in this browser tab.

  2. 2

    Use the advanced controls

    Adjust matching, timing, measurement or inspection options. Safe defaults are selected for the most common task.

  3. 3

    Review result and evidence

    Use the diagnostics, warnings and supporting measurements to verify the main result before acting on it.

More than a one-number result

Profile a CSV before importing it. Detect delimiters, infer column types and reveal missing values, duplicate rows, numeric ranges and suspicious data without uploading the file. The workspace keeps the primary action quick while exposing the evidence that basic alternatives often omit.

Automatic delimiter and type detectionIncluded in the same responsive workspace with clear labels and practical output.
Missing, unique and duplicate countsIncluded in the same responsive workspace with clear labels and practical output.
Numeric min, max and averageIncluded in the same responsive workspace with clear labels and practical output.
Downloadable data-quality reportIncluded in the same responsive workspace with clear labels and practical output.

Private browser processing

Rantey performs this task with browser capabilities on your device. Selected files and entered data are not posted to an application endpoint. For sensitive work, still review the result and follow your organization’s security policy.

Mobile-ready and accessible

Controls stack on narrow screens, buttons keep large touch targets and wide diagnostic tables scroll inside their own container. Keyboard focus, status messages and readable contrast are included for desktop and mobile use.

Frequently asked questions

CSV Statistics Analyzer FAQ

Is CSV Statistics Analyzer free?+

Yes. It is free to use with no registration, subscription or watermark.

Does it work on Android, iPhone and desktop?+

Yes. The interface uses responsive layouts and touch-friendly controls in current mobile and desktop browsers.

Is my input uploaded?+

No. The calculation, inspection or test runs in the current browser tab. Rantey does not receive the entered values or selected files.

How is this different from a basic online tool?+

It combines the main result with validation, evidence and practical diagnostics so you can understand and verify the output.