Image Size Checker
Check exact byte size, file weight in KB/MB, and download time estimates across 3G, 4G, and broadband speeds.
Drop your image here or click to browse
Supports PNG, JPG, WebP, SVG, GIF, BMP, HEIC • Paste directly from clipboard (Ctrl+V)
Upload an image to start manipulating
Settings & Controls
How to Use Image Size Checker
Drop or upload any image file.
View exact byte counts, formatted KB/MB values, and compression efficiency metrics.
See estimated mobile download times.
Frequently Asked Questions
What is an ideal image file size for web pages?
For fast web loading, hero banners should ideally stay under 200 KB, and thumbnail graphics under 50 KB.
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