File Size Formatter

Free Local Processing

Free online file size formatter that converts file bytes into human-readable KB/MB/GB format. Supports auto conversion or specified unit, custom decimal places, and shows conversions across units. All processing happens in your browser, files never uploaded, privacy-safe.

Drag files here, or

Select file

Up to 50, max each 100.0 MB

Options

Target unit

Decimal places

How to Use

1 Select one or more files whose sizes you want to format
2 Choose a target unit (Auto/KB/MB/GB) and set decimal places, then click "Format" button

FAQ

Q: Are files uploaded to the server?

No. The tool only reads file metadata (size); file content never leaves your device.

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