Choose a local file
Drag a file into the tool or choose one from your device.
Working local tool
File Size Checker
Check file size, type, extension, and modified date locally in your browser without uploading files.
File Size Checker
Drop files to inspect size, type, extension, and last modified details instantly.
Click or drop one or many files
See file size, type, extension, and modified date instantly.
Drop a file to start. Processing stays in this browser.
Adjust settings
Use simple controls built for the task, not a complicated studio.
Download result
Export the processed file directly from your browser.
FAQ
Before you use it
Does file size checker upload my file?
No. This tool runs in your browser and creates the output locally on your device.
Do I need an account?
No. 415th tools are designed for quick utility tasks without signups.
What is this best for?
Drop files to inspect size, type, extension, and last modified details instantly.