Convert bytes to KB, MB, GB, TB with binary (1024) or decimal (1000) base.
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Enter a byte value
More about the Byte Size Converter
A hard drive advertised as 1 terabyte and showing up as roughly 931 gigabytes in an operating system isn't a manufacturing error, it's two different definitions of the same units colliding, drive manufacturers use decimal base, where a kilobyte is exactly 1,000 bytes, while operating systems typically report binary base, where a kilobyte is 1,024 bytes, and that gap compounds noticeably by the time it reaches terabytes. This tool converts byte counts into KB, MB, GB, and TB using either the binary or decimal base explicitly, showing both results rather than picking one silently. Useful for understanding why a purchased drive's capacity looks smaller once it's actually plugged in, converting a file size using the same base a specific operating system reports, or double-checking which byte definition a spec sheet or a cloud storage plan is actually using.
Convert bytes to KB, MB, GB, TB with binary (1024) or decimal (1000) base. The Byte Size Converter is one of 900+ free developer tools on Toolblip - all open to use without a signup.
How do I use the Byte Size Converter?
Open the Byte Size Converter on this page, paste or upload your input, and the result updates as you type. Use the copy button to grab the output, or adjust options to tune the result. Nothing you enter leaves your browser.
Is the Byte Size Converter free to use?
Yes. The Byte Size Converter is a free online tool on Toolblip - no signup, no account, no hidden usage limits. It runs in your browser and works on desktop and mobile.
Is the Byte Size Converter safe and private?
Yes. The Byte Size Converter processes your data entirely client-side, so nothing you paste is uploaded or stored on any server. It's safe to use with internal snippets, private keys for debugging, or any other sensitive content you'd rather not send to a remote service.
What kind of output does the Byte Size Converter produce?
The Byte Size Converter produces clean, formatted output that you can copy or download with a single click. The output is tailored to the tool's purpose — formatted code, converted data, transformed text, or processed media — and is ready for immediate use in your project or workflow.
Does the Byte Size Converter work on mobile devices?
Yes. The Byte Size Converter is designed to work on any device with a modern browser, including phones and tablets. The interface adapts to smaller screens, and the core functionality — paste input, transform, copy output — works the same way regardless of your device.
Is my data kept private when I use the Byte Size Converter?
Yes. The Byte Size Converter converts everything locally in your browser. Nothing is uploaded, logged, or stored on a server, so it's safe to paste confidential data while debugging.
Can I convert multiple files at once with the Byte Size Converter?
The Byte Size Converter processes one input at a time. For batch conversions of multiple files, you can paste each input individually. Since the tool runs locally in your browser, there are no rate limits or daily caps that would prevent you from converting as many items as you need.
Can I use the Byte Size Converter offline?
Once the page has loaded, the Byte Size Converter continues to work without an internet connection. Bookmark this page and return to it anytime - all logic runs locally.