Encoding Correction
Auto-detects non-standard character sets and converts them to clean UTF-8 without changing your data.
CSV Utility
Free CSV Splitter — Split Large CSV Files Into Smaller Chunks
Split any large CSV into smaller files instantly. Perfect for platforms with row limits — Shopify (50,000 rows), Mailchimp contacts, database batch imports. Headers are automatically preserved in every output file.
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
What is a CSV splitter?expand_more
A CSV splitter divides a large CSV file into multiple smaller files, each containing a defined number of rows. The header row is duplicated into every output file automatically.
How many rows can Shopify import at once?expand_more
Shopify recommends keeping product import CSV files under 50,000 rows. Larger files often time out or fail silently.
Does each split file keep the header row?expand_more
Yes. Every split file automatically includes the original header row so each chunk is a valid standalone CSV.
What is the maximum file size?expand_more
CSVFixer supports files up to 50MB.
Is the CSV splitter free?expand_more
Yes. The Free tier includes five successful repairs per IP address in a rolling 24-hour window, with no signup required.