You can save a great deal of time while working with FTP clients like FileZilla by seeing file sizes in an easy-to-understand manner. FileZilla may show file sizes in bytes by default, which can be confusing for bigger files. Viewing file sizes in megabytes (MB) is significantly more convenient if you frequently work with huge files.
This tutorial shows you how to quickly adjust FileZilla’s settings to display file sizes in MB.
Step-by-Step: Display File Size in MB in FileZilla
Step 1: Open FileZilla
Step 2: Go to Edit > Settings

Step 3: Go to Interface > Filesize Format
Step 4: Then choose “Decimal prefixes using SI symbols (e.g. 1 KB = 1000 bytes)”
Next, click the “OK” button and then refresh or restart FileZilla.

That’s it! FileZilla will now display all file sizes in MB, KB, or GB, depending on the file size.
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Common Issues & Quick Fixes
FileZilla still shows bytes?
Restart the application after saving settings.
Settings not applied?
Make sure FileZilla is updated to the latest version.
Sizes not refreshing?
Reconnect to the server or refresh the directory listing.
FAQs
1. Why is FileZilla showing file size in bytes?
Because the default setting uses raw bytes. You can change this in Settings → Interface → File Size Format.
2. How do I convert FileZilla file size to MB?
Select Decimal prefixes (SI symbols) in the Filesize Format settings.
3. What’s the difference between MB and MiB?
MB = 1,000,000 bytes
MiB = 1,048,576 bytes
Both are available inside FileZilla settings.
4. Does changing the file size format affect my server?
No. This only changes how sizes appear in FileZilla, not the actual files.
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