File Size Formatter
Free Local ProcessingFree 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
Up to 50, max each 100.0 MB
Options
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.
Related Guides
- File Size Format
Understand file sizes: convert bytes/KB/MB/GB and decode the 1000-vs-1024 confusion.
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