tofo-boxtools

File Size Converter

developer

Convert file sizes between bytes, KB, MB, GB, TB, and more. Shows all units at once.

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Options

🖼️
Image Tool

Try Image Compressor

Reduce image size up to 80% — free, instant, no upload needed.

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How to Use File Size Converter

  1. 1

    Paste or type your text into the input field.

  2. 2

    Adjust any available options in the Options panel.

  3. 3

    Click "Run File Size Converter" to process.

  4. 4

    Copy or download the result from the output panel.

Frequently Asked Questions

Is File Size Converter free to use?

Yes, File Size Converter is completely free. No account or signup is required.

Are my files stored on your servers?

No. This tool runs entirely in your browser — your files never leave your device.

What file types are supported?

This tool supports: file size converter, convert bytes to kb mb gb, file size calculator online, bytes to megabytes converter, kb mb gb converter free, file size conversion tool, bytes converter online, storage size converter.

Can I use this tool on mobile?

Yes, the tool is fully responsive and works on any modern browser including mobile devices.

🖼️
Image Tool

Try Image Compressor

Reduce image size up to 80% — free, instant, no upload needed.

→
🖼️
Image Tool

Try Image Compressor

Reduce image size up to 80% — free, instant, no upload needed.

→