File Size Converter
Convert between byte, KB, MB, GB, TB file size units
Free to useOpen and use right awayUtility Tools
Enter file size
About this tool
File Size Converter is a free online tool for converting between bytes, KB, MB, GB and TB. It supports both the 1024 binary base and the 1000 decimal base, so you can match either the operating system or the storage vendor way of counting. All math is computed locally.
Frequently asked questions
Which units does it convert?
Bytes, KB, MB, GB and TB.
What is the difference between the 1024 and 1000 bases?
The 1024 base follows binary convention used by operating systems, while 1000 follows the decimal convention used by storage vendors; this tool supports both.
Is anything uploaded?
No. Conversion is computed locally in your browser.