Are my files uploaded to your servers?

No. All processing runs locally in your browser. Files never leave your device unless you download an export.

File Utilities

File Size Calculator

Sum file sizes instantly.

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Are my files uploaded to your servers?: No. All processing runs locally in your browser. Files never leave your device unless you download an export.

Convert CSV to JSON locally.

Virtualized CSV table viewer.

Find duplicate files by hash locally.

Convert Excel sheets to CSV.

File Size Calculator — Free Online Tool | Weblexia Tools