Question 1

Does resizing a JPEG reduce image quality?

Accepted Answer

Resizing to smaller dimensions discards pixels, which is irreversible. However, the Quality Preset setting (Highest through Lowest) controls how much JPEG compression is applied to the output. Use "Very High" or "Highest" to minimize compression artifacts. Enlarging a small image will not add detail — it interpolates pixels, which can look blurry.

Question 2

Can I resize to an exact file size like 200 KB?

Accepted Answer

Yes. Under Image Compression, select "Specific file size" and enter your target in KB or MB. The tool automatically adjusts quality and resolution to hit your target. This is useful for meeting upload limits on job applications, government forms, or email attachments.

Question 3

What is the difference between Width and Width × Height?

Accepted Answer

"Width (Keep aspect ratio)" resizes the image to your specified width and automatically calculates the height to maintain proportions. "Width × Height" forces both dimensions exactly, which may distort the image if the aspect ratio doesn't match. Use Width or Height alone when proportions matter.

Question 4

Can I resize multiple JPEG files at once?

Accepted Answer

Yes. Upload multiple JPG, JPEG, or JFIF files and they will all be resized with the same settings. Each file is processed individually and available for separate download.

Question 5

What preset resolution should I use for web images?

Accepted Answer

For most websites, 1080p or 768p provides a good balance between quality and file size. For retina/high-DPI displays, use 1440p or 2160p. For thumbnails and avatars, 240p or 144p is sufficient.

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