Can Image Metadata Make a File Larger?
Yes. Metadata such as EXIF information can add bytes to an image. For many files it is a small part of total size, but it can matter when a file must meet a strict limit.
What to do
If a file is only slightly over a limit, metadata may be worth investigating. If it is several megabytes over, pixel dimensions and encoding are usually more important. The simplest next step is to Image Size Checker. If the issue is actually about compress image, see Compress Image as well.
Why this happens
Image problems often come from three separate variables: pixel dimensions, encoded file size and file format. Changing one does not automatically solve the others. A very large photo may need resizing even when its format is already JPG; a transparent graphic may need PNG or WebP even when the file size is acceptable; and an upload limit may be measured in megabytes rather than pixels.
Before editing, check the requirements of the place where the image will be used. That gives you a concrete target and reduces unnecessary quality loss. When possible, keep the original file and create a delivery copy for the specific destination.
Common questions
What is EXIF metadata?
EXIF is information stored with many photos, such as camera settings, timestamps and sometimes location information.
Can compression remove metadata?
Some image workflows strip or preserve metadata differently. The current browser tool focuses on image encoding rather than acting as a full metadata editor.
Should I remove metadata?
That depends on your privacy and workflow needs. Keep metadata when it is useful; remove it when you have a clear reason.