Converters
File Size Converter
Convert bytes to KB, MB, GB and binary units. Runs locally in your browser, without an account.
- Free to use · no account required
- Processes input in your browser
- Review and copy your results
Enter your details
Step by step
How to use File Size Converter
Prepare your input
Enter a file size in bytes.
Run the tool
Select Calculate / Convert to calculate the size at larger 1024-based units.
Check and use the result
Use the labeled results when estimating storage or comparing file sizes.
How this tool works
Enter your values and choose Calculate / Convert. You can then copy the result. No information is intentionally sent to ToolTama by this tool.
Good to know
Frequently asked questions
Why can this differ from a drive’s advertised capacity?
Storage manufacturers often use decimal powers of 1000. This tool’s larger units use powers of 1024, so the displayed figures can differ.
Is File Size Converter free?
Yes. This public tool does not require an account, payment or subscription.
Where is my input processed?
The tool-specific processing runs in your browser. Website delivery still involves hosting requests; see the privacy policy for details. Read the privacy policy.