FileValidator
Fix CSV import errors before uploading to HubSpot,Salesforce
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Lucas Mercier

FileValidator - Fix CSV import errors before uploading to HubSpot,Salesforce

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File Validator scans CSV and Excel files to detect common data issues before importing them into CRMs, databases or analytics tools. It finds problems like invalid emails, mixed date formats, text in numeric columns and missing values. Some issues can be fixed automatically, allowing you to download a clean file ready for import. Everything runs directly in the browser and no data is stored.

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Lucas Mercier
Maker
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Hi everyone 👋 I built File Validator after repeatedly running into messy CSV files that failed to import into CRMs or databases. Common issues like invalid emails, inconsistent date formats or text inside numeric columns often break imports and take a long time to debug manually. File Validator scans a file instantly, highlights the issues and can automatically fix some of them so you can download a clean version ready for import. Everything runs directly in the browser and no data is stored. I’d love to hear your feedback and suggestions for future features!