Size Checker

Drop a file to see pixels and kilobytes instantly. Optional EXIF list.

How to use Size Checker

Drop the file.
Read pixels and bytes on the thumbnail.
Run Size Checker for EXIF fields.

What this tool accepts

Instant pixel size
File bytes
Local
EXIF on demand

Formats: JPG, PNG, WebP, GIF, HEIC

“Size checker” is the short filename version of image-size-checker. Same metadata engine, copy aimed at people who only care whether a file will pass a 2 MB / 800 px form.

What to do if it is too big

Too many pixels → Image Resizer. Too many kilobytes at the right pixels → Image Compressor. Wrong shape → Aspect Ratio Calculator.

Frequently asked questions

Do I need to download anything?

No. Checking size is read-only. Download buttons appear only if another tool produced a file.

Related tools

Image Size Checker
See pixel dimensions, file size, and type. Nothing is uploaded.
Compress Image
Drop JPG, PNG, WebP, GIF, or SVG files and shrink them locally. Pick a quality level, preview the savings, then download.
Resize Image
Change width and height in pixels or by percentage. Lock aspect ratio, preview, and download. Runs locally.
Image to PDF
Turn JPG, PNG, or WebP into a one-page PDF. Encoding stays on this device.