Five Proven Techniques to Reduce Image File Size Without Quality Loss

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Switching image formats is one of the most effective ways to shrink file sizes — converting a JPEG to WebP cuts size by 25–35%, while AVIF offers 50–60% savings with no visible quality loss. Stripping embedded EXIF metadata, which can add up to 200 KB per image, eliminates unnecessary data without affecting appearance and also improves privacy. Resizing images to match their actual display dimensions prevents the common mistake of serving a 4,000-pixel photo in a 1,200-pixel space. For text-heavy images like screenshots and logos, lossless formats such as PNG or lossless WebP are recommended to avoid compression artefacts. Setting a target file size rather than adjusting quality sliders manually is also advised, particularly when uploading to platforms with strict size limits like WhatsApp or Gmail.

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