BSB TOOLS HUB

File Size Checker

Upload any file to instantly check its name, type, size and storage information.

📁 No file selected Select a file above to view its information.
⚡ Instant Get file size information immediately.
📂 Any File Check documents, images, videos and more.
🔒 Browser Based The checker reads file information locally.
BSB TOOLS HUB

File Size Checker

Quickly check the size, name and file type of any file directly from your browser.

What Is a File Size Checker?

The File Size Checker is a simple online tool that helps you find important information about a file before uploading, sharing or storing it.

Select a file from your device and the tool instantly displays its file name, file type and file size in Bytes, KB, MB and GB.

Why Do You Need a File Size Checker?

Many websites, email services, online marketplaces and cloud platforms have file-size limits. Checking your file before uploading can help you determine whether it is likely to meet a particular upload requirement.

📤

Before Uploading

Check the size of a file before uploading it to a website, form, marketplace or online service.

📧

Email Attachments

Check large documents, images or other files before attaching them to an email.

💾

Storage Management

Understand how much storage a file uses on your device or storage system.

🌐

Website Management

Check images, documents and other files before adding them to your website or content management system.

How to Use the File Size Checker

01

Select Your File

Click the Choose a File area and select a file from your computer, phone or tablet.

02

Drag & Drop

On supported devices, you can also drag and drop a file directly into the upload area.

03

View File Information

The tool instantly displays the file name, file type and file size.

04

Check Different Units

View the file size in Bytes, KB, MB and GB to make the information easier to understand.

05

Copy the Information

Click Copy Information if you want to copy the file details for your records.

06

Reset and Check Another File

Click Reset and select another file whenever you need to perform another check.

What Information Does the Tool Show?

File Name The name of the selected file.
File Type The file's available MIME type.
Bytes The file's size in bytes.
KB The approximate file size in kilobytes.
MB The approximate file size in megabytes.
GB The approximate file size in gigabytes.

Example

File product-image.jpg
Type image/jpeg
Size 2.45 MB

After selecting a file, the tool automatically calculates and displays its available size information.

Who Can Use This Tool?

🛒 Online sellers and marketplace users
💻 Website owners and developers
📸 Photographers and designers
📧 Students and office users
📄 Bloggers and content creators
☁️ Cloud-storage users

🔒 Privacy & File Processing

This checker only needs access to the selected file's browser file information to determine its name, type and size.

It does not need to upload the file to a server simply to calculate its size.

As always, only select files you are comfortable allowing the browser page to access.

Frequently Asked Questions

What is the purpose of a File Size Checker?

It lets you quickly see the name, type and size of a selected file before uploading, sharing or storing it.

Which file types can I check?

The tool can read file information for many types of files, including images, documents, videos, archives and other files supported by your device and browser.

Can I check a large file?

The tool reads the file information available to the browser. Practical limits can depend on the device and browser.

Does the tool show the file in MB?

Yes. The tool displays the size in Bytes, KB, MB and GB.

Can I drag and drop a file?

Yes. On supported desktop browsers, you can drag a file directly into the upload area.

Can I check another file?

Yes. Use the Reset button and select another file.

Can I use this on my phone?

Yes. The tool is designed to work on desktop computers, tablets and mobile phones.

Check Your File Size Now

Select a file above and instantly view its size and file details with BSB TOOLS HUB.

BSB TOOLS HUB • Free Online Tools