ACH Validator
Upload any ACH file and get instant NACHA compliance results — catch formatting errors, invalid routing numbers, and balance mismatches before your bank rejects the file.
Instant File Validation
Upload your ACH files and get comprehensive validation results in seconds. Our validator checks for formatting errors, invalid data, and compliance issues.
- Supports .txt and .ach file formats
- Validates up to 1 MB files
- Real-time validation feedback
- Detailed error reporting with line numbers
Comprehensive Error Detection
Identify issues before they cause rejected transactions. Our validator categorizes problems by severity to help you prioritize fixes.
- Errors: Critical issues that will cause rejection
- Warnings: Potential problems to review
- Info: Suggestions for best practices
File Content Preview
View your file content alongside validation results. Jump directly to problem areas with clickable line references.
- Syntax-highlighted file preview
- Line numbers for easy reference
- Click errors to jump to location
- Copy file content with one click
What We Validate
Comprehensive checks across all ACH record types
File Structure
Record counts, blocking factors, and file organization
Batch Headers
Company information, SEC codes, and effective dates
Entry Details
Account numbers, routing numbers, and transaction codes
Control Totals
Hash totals, debit/credit balancing, and entry counts
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