File Size Checker
Inspect any file — size, type and dates.
How to use File Size Checker
follow along with the steps below
1Open the tool on this page and add a file.
2Adjust the options if you need to. Results update right on the page.
3Copy or download its exact size. Nothing is uploaded, so you can repeat as often as you like.
About File Size Checker
File Size Checker is a free online tool from Supreme Pro. Inspect any file — size, type and dates. It runs in your browser, so there is nothing to install and no account to create. Everyday helpers should be simple, free and instant.
Common uses
- Handle small everyday jobs in a few seconds
- Generate or pick something without installing an app
- Share a quick result with friends or colleagues
Tips for best results
- Use the result right away or copy it somewhere safe
- Try the tool again for a new random result
- Share the page link if the tool helped you
Features
- Lets you see how large a file is in KB, MB and GB
- Free to use, no account or sign-up
- Private — runs entirely in your browser
- Works on phones, tablets and computers
Practical tips
Check the size of a file before you email or upload it, since many sites and mail services limit attachments. If a file is too large, compress images or PDFs first. Remember that 1 MB is roughly 1,000 KB, though some systems use 1,024.
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Number to WordsWrite any number out in English words.Frequently Asked Questions about File Size Checker
Quick answers about using File Size Checker.
What is the File Size Checker?
The File Size Checker is a free online tool from Supreme Pro. Inspect any file — size, type and dates. You can use it to see how large a file is in KB, MB and GB.
How do I use the File Size Checker?
Open this page, add a file in the tool above, adjust any options you want and read or download its exact size. Everything happens on the same page, so there is nothing to install.
Is the File Size Checker free?
Yes. The File Size Checker is free to use and does not need an account or sign-up.
Is my data safe when I use the File Size Checker?
Yes. The tool runs in your browser, so anything you add — such as a file — is processed on your own device rather than being sent to our servers.
Does the File Size Checker work on mobile phones?
Yes. The page is responsive and works in modern browsers on phones, tablets and computers.
Can I use the File Size Checker offline?
Once you have opened this page, your browser can often reload it without a connection because Supreme Pro saves its core files for offline use. Open it once while online first.
Are my files uploaded anywhere?
No. Files are read and processed locally in your browser and are not uploaded to a server.
Is my file uploaded to check its size?
No. The size is read on your device in your browser.
Why does my computer show a slightly different size?
Different systems count a kilobyte as 1,000 or 1,024 bytes, so small differences are normal.
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