Skill: Screenshot Compression Compress screenshot images (PNG/JPEG) in place while keeping the original format. Uses for PNG and for JPEG — both are highly effective for screenshot content (UI elements, text, flat colors). Prerequisites : and must be installed on the system. The script will not install them automatically — it checks for their presence and prints install instructions if missing. --- When to Use The user has screenshot files that are too large and wants to reduce file size without changing format. Common scenarios: - Preparing images for GitHub READMEs, blog posts, or documenta…