CSV Repair Tool — Fix Broken CSV Files Instantly

Automatically detect and fix common CSV formatting errors including broken quotes, mismatched columns, and encoding issues.

Drag & drop your CSV here

or click to browse — max 500 MB, .csv / .txt / .tsv

Frequently Asked Questions

The tool fixes: UTF-8 BOM characters, mixed CRLF/CR/LF line endings, unclosed or mismatched quotes, inconsistent column counts (padding short rows, trimming long rows), null bytes, encoding conversion from ISO-8859-1 or Windows-1252 to UTF-8, and formula injection prefixes (=, +, -, @).

The tool only fixes structural formatting problems. It does not change cell values, reorder rows, or remove columns. Every change made is listed in the Issues Detected table so you can review exactly what was modified.

Files up to 500 MB are supported. For very large files that are slow to process, consider splitting them first using the CSV Splitter tool.

Yes. For server-side repair the file is stored temporarily in a secure directory outside the public web root. It is processed immediately and deleted automatically after you download the result or within one hour, whichever comes first.

Yes. After repair, the preview table is fully editable. Click any cell to modify it, add or remove rows, then click Download Edited CSV to save your changes.

You can select the delimiter manually (comma, semicolon, tab, pipe) or use Auto-detect, which analyses the file content and picks the most likely delimiter automatically.

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Your Privacy

Files uploaded for server processing are stored in a secure temporary location, processed immediately, and deleted automatically. We do not read, store, or share your data.