Encoding Correction
Auto-detects non-standard character sets and converts them to clean UTF-8 without changing your data.
CSV Utility
Free CSV Merger — Combine Multiple CSV Files Into One
Upload multiple CSV files and merge them into a single clean file instantly. Handles mismatched column orders, different encodings and inconsistent headers automatically. Perfect for combining monthly exports, regional data or multi-supplier feeds.
Structure Normalization
Repairs delimiters, line endings and malformed headers so every column imports predictably.
Data-Safe Repair
Preserves your content while removing structural errors, empty rows and duplicate records.
How to use CSV Utility
Upload CSV
Select the CSV that is failing to import.
Auto-Repair
CSVFixer detects and repairs common format problems.
Download & Import
Download the clean file and import it immediately.
What this CSV tool checks and repairs
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
Can I merge CSV files with different column orders?expand_more
Yes. CSVFixer matches columns by name not position. As long as column names match, rows are aligned correctly regardless of order.
What if my files have different columns?expand_more
Files with extra columns are supported — missing values are filled with empty cells. You can choose to keep only columns that exist in all files.
How many files can I merge at once?expand_more
Up to 20 CSV files per merge operation.
Does it remove duplicate rows after merging?expand_more
Yes, duplicate row removal is optional. Choose whether to keep or remove rows that appear in multiple source files.
Is the CSV merger free?expand_more
Yes. The Free tier includes five successful repairs per IP address in a rolling 24-hour window, with no signup required.