📋
Drag & drop your CSV here
— or —
.csv files only
What gets checked automatically
📧
Email Validation
Optional — if present, must be valid format, no duplicates, no trailing spaces
🔁
Duplicate Emails
Every duplicate flagged with row reference
👤
Required Fields
First Name & Last Name on every row
📱
Phone Formatting
Non-standard phone number formats
📮
ZIP Code Format
Must be 5-digit or ZIP+4
⚠️
Special Characters
Flags ^ * % ; in any cell
🗂️
Column Structure
Required columns present in header
🧹
Blank Rows
Detects empty or junk rows
🔤
File Encoding
Detects non-UTF-8 formats (CSV MS-DOS, Macintosh, etc.)
✂️
Untrimmed Spaces
Flags leading/trailing spaces in any cell
🪪
Attendee ID Uniqueness
Duplicate IDs flagged — case-insensitive
Reviewing your CSV…
Parsing file structure…