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CSVFixer Fix a CSV
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CSV Duplicate Remover

Remove Duplicate Rows
from CSV.

Find repeated records, remove exact duplicate rows, and download a smaller clean CSV in seconds.

Select or drop your CSV

Exact duplicate rows are removed while unique records stay intact

Click or drag to change file
Private & secure Supports up to 50MB Instant processing
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Encoding Correction

Auto-detects non-standard character sets and converts them to clean UTF-8 without changing your data.

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Structure Normalization

Repairs delimiters, line endings and malformed headers so every column imports predictably.

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Data-Safe Repair

Preserves your content while removing structural errors, empty rows and duplicate records.

How to use CSV Duplicate Remover

1

Upload CSV

Select the CSV that is failing to import.

2

Auto-Repair

CSVFixer detects and repairs common format problems.

3

Download & Import

Download the clean file and import it immediately.

What gets repaired

Why duplicate rows happen

CSV import failures usually come from a file's encoding or structure, not the visible values. This tool corrects those hidden issues while keeping your records intact.

  • check_circle Clean UTF-8 output without a BOM
  • check_circle Consistent comma-separated columns
  • check_circle Normalized headers and line endings

Frequently Asked Questions

Why do CSV files contain duplicates?expand_more
Duplicates commonly appear after combining exports, syncing suppliers, re-running reports, or exporting product variants.
How can I find duplicate rows?expand_more
CSVFixer compares the complete values across rows and reports how many exact repeats were removed.
How does CSVFixer remove them?expand_more
The first unique row is kept and later exact copies are discarded. Rows with a different value in any column remain.