Frequently Asked Questions

Frequently Asked Questions (FAQ)

Q: What file formats does Wheretools support?
A: We support CSV, XLSX, XLS, TSV, TXT, JSON, XML, and YAML input and output formats.
Q: Is Wheretools free to use?
A: Yes! Our online tools platform is 100% free with no registration or subscription required.
Q: What happens to my files after I process them?
A: All uploaded source files and processed output files are automatically purged and destroyed from server memory after download completion or session timer expiration.
Q: Can I merge files with different column names?
A: Yes! Our interactive Column Mapping tool automatically detects column headers across all source files and lets you map different names (e.g. "Email" to "E-mail Address") into a unified header.
Q: What is the maximum file upload size?
A: By default, the system accepts files up to 50MB per file and allows merging up to 20 files simultaneously.