The ImageTool blog
Practical tips on image compression, product updates and engineering notes.
Lossless Image Compression for Websites: Not Just Performance, but Cost and Experience Considerations
Images are the visual face of modern websites, but they are also the biggest culprit behind slow page loads. According to HTTP Archive's image data report, image resources on modern web pages have commonly reached MB-level sizes. For image-heavy websites, without proper optimization, images can quickly become the main culprit that slows down page loading and degrades user experience.…
Read more →Why Your Images Need Compression: More Than Just Saving a Few Gigabytes of Disk Space
Images are everywhere in daily computer use, website management, and content creation. Yet have you noticed that a quick phone photo can be several megabytes or even over ten, and high-resolution images on web pages are astonishingly large? Is image compression really necessary? The answer is yes. Whether for individual users or website developers, image compression brings significant practical benefits [cite: 1]. 1. Why are images getting bigger?…
Read more →ImgZilla Review: Perfecting In-Place Compression
When compressing images, the two things people fear most are changed filenames and lost originals. ImgZilla handles both. 1. What is ImgZilla? A native macOS image compression tool released on July 27, 2026. Core behavior: compress images in place—filename, path, and format all stay unchanged, with the original going to the Trash by default and restorable.…
Read more →ImgZilla 1.3 Officially Released: Why an In-Place Compression Tool Took So Long
Today, ImgZilla 1.3 is officially available on the Mac App Store. Its core function is clear: compress images on your Mac in place—file name, path, and format remain unchanged, and the original goes to the Trash by default so you can restore it anytime. All of this happens on your own Mac...
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