Image Processing Practical Guides
Step-by-step answers to everyday questions: compress to a target KB, pick the right format, match marketplace image sizes, get ID photos right and handle image SEO.
How to shrink an oversized GIF: color count, size and frame dropping
GIFs easily hit ten-odd MB—too big to send and slow to load. This article explains the trade-offs of palette colors, dimensions and frame dropping, with a preset that takes 10MB down to 2MB.
Compression TipsWeChat images: sizes and compression for official accounts, Moments and chats
Official-account cover 900×383, body images 1080px wide, how to split a Moments grid, why chat images look blurry… This article collects WeChat's size and size-limit rules per scenario with compression tips.
Compression TipsHow to compress an image to a target KB: practical methods for three scenarios
Application systems cap files at 100KB, WeChat covers at 2MB, ID photos at 50KB… How do you hit different size limits in one pass? This guide gives a general approach and parameter tips for compressing to a target size.