PunkFix

CSV Upload Error Diagnostic

Analyze why your file is failing to upload elsewhere. 100% private—your data stays in your browser.

No uploadsNo signupInstant results
1

Upload Bad CSV

Drop the file that fails to upload.

2

Run Diagnostics

We run 20+ checks for common structural errors.

3

View Report

See exactly why the file is invalid.

Click to upload or drag & drop

Supported files: CSV, TXT, JSON (Max 20MB)

Drop your file here

or click to browse

Any corrupt or rejected CSV.

Max 20MB 100% Private

What This Tool Does

This diagnostic tool runs a battery of tests on your file to find common reasons for upload failures (e.g., BOM markers, mixed delimiters, ragging).

How It Works

1Upload the problematic file.
2The tool runs 20+ checks.
3It produces a detailed report of what is wrong.
4It suggests which PunkFix tool to use for repairs.

Input Format

Any corrupt or rejected CSV.

Output Format

A detailed health report.

When to Use This Tool

  • You don't know why an upload failed.
  • You receive a generic 'An error occurred' message.
  • You want to assure file quality before sending it.

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