CSV Checker is a fast, extensible, and professional-grade command-line tool written in Go. It is designed to validate the structure and content of CSV files before importing, processing, or integrating them into your data pipeline.
This project comes in two tiers: Free and Pro.
The Free version includes basic validation functionality, while the Pro version adds advanced CLI control, report exporting, config support, and CI-ready integrations – all powered by the Cobra CLI framework.
- Validates consistent column count across rows
- Detects empty fields
- Detects forbidden characters (excluding
@) - Simple CLI (
go run main.go file.csv) - No external dependencies
- Fully featured
CobraCLI with subcommands & flags - Enable/disable rules via flags
- Export validation report (JSON or HTML)
- YAML/JSON config file support
- GitHub Actions / CI-ready integration
- Docker support
- REST API version for remote CSV validation (optional)
| Rule | Description |
|---|---|
| Column Count Consistency | Ensures all rows have the same number of columns as the header |
| Empty Field Detection | Flags any fields that are empty |
| Forbidden Characters | Flags characters like #, $, %, ^, etc. (Note: @ is allowed) |
go run main.go testdata/sample.csvSample output:
Validation failed: row 3: column 1 is empty
Free Version (Local)
git clone https://github.com/yourusername/csv-checker
cd csv-checker
go mod tidy
go run main.go testdata/sample.csvPro Version (when released)
go install github.com/yourusername/csv-checker@latest
csv-checker validate data.csv --output=report.jsoncsv-checker validate data.csv
csv-checker validate data.csv --skip-empty-check
csv-checker config init
csv-checker versionSubcommands will include:
validate— Validate a CSV fileconfig— Generate or load config fileversion— Show version numberreport— Export validation result (Pro only)
name,email,age
John,[email protected],30
Jane,[email protected],25
,[email protected],22
Invalid,[email protected],40
| Plan | Price | Includes |
|---|---|---|
| Free | $0 | Basic CLI validation (column count, empty fields, forbidden characters) |
| Pro | $40 | Full-featured Cobra CLI, flag controls, report export, config support |
| Premium | $90 | REST API server, Docker support, CI/CD integrations |
Need a custom integration or private support?
→ Contact below.
The Free version is production-ready.
The Pro version is production-ready.
Questions, bugs, or feature requests?
- Email: [email protected]
- GitHub: github.com/ziko0/csv-checker
Free version is released under the MIT License.
Pro & Premium versions are licensed per user or company purchase.