Photo-shaped work rather than graphics-shaped work: compress a JPEG to land just under a hard KB limit on an upload form, resize, crop, rotate, convert to and from PNG, WebP or PDF, and strip the EXIF block — including the GPS coordinates of where the photo was taken — before you post it anywhere.
What this kit does that a general converter doesn't.
Target-file-size compression and real EXIF/GPS removal, which is a privacy fix disguised as an image tool.
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Grouped the way jpgtoolskit.org groups them. Every link opens the tool on its own site.