DATA DIAGNOSTICS

CSV Doctor

Diagnose broken CSV and TSV files, understand what is wrong, then repair them locally.

How to use this →

01 Open file02 Check & repair03 Review & download

LOCAL PROCESSINGNO UPLOADFREE

01 / DIAGNOSE

Open your file

Drop a CSV, TSV or text export to inspect its structure.

READY

Drop your CSV hereCSV, TSV or text · up to 50 MBNo file yet? Use the example to see how diagnosis and repair work.Processed locally · original file stays untouched

Choose a file to start the diagnosis.

01 / DIAGNOSE

What the Doctor found

Structural checks only. Your business data is not interpreted or uploaded.

File-

Rows-

Columns-

Separator-

Text encoding-

Size-

Spreadsheet safety0 values start like formulas. Excel or another spreadsheet app may try to run values beginning with =, +, - or @.

About CSV diagnosis

What CSV Doctor can catch

Delimiter mismatches, inconsistent field counts, empty or duplicate headers, broken quotes, BOM and encoding issues, mixed delimiters and rows that no longer match the header.

Built for admin exports

Use it for CSV exports from Microsoft 365, Active Directory, HR systems, ticketing platforms and other operational tools. The repair happens locally in your browser.

Need to compare two clean exports instead? Compare two CSV files locally →

CONTINUE

Keep working in Opselith.

Open another tool or switch to the PowerShell Builder.

← All tools PowerShell Builder

CSV Doctor

Open your file

What the Doctor found

What should I do next?

Choose the repair

Repair plan

Review & download

What CSV Doctor can catch

Built for admin exports

Keep working in Opselith.