Practical notes on image sizes, file sizes and privacy for posting images and GIFs on social media. Every guide includes steps you can follow right away in prezll.
- Social Media Image Sizes for 2026: Instagram, Threads and XRecommended aspect ratios and pixel sizes for Instagram feed and Stories, Threads and X, plus practical tips for posting without awkward crops.2026-09-29
- 5 Ways to Reduce GIF File Size Without Ruining QualityWhy GIFs get so heavy, and how trimming, lowering FPS, resizing, cropping and lossy compression shrink them. Ordered from the most effective method.2026-09-29
- How to Hide Personal Information in Photos: Mosaic vs. BlurWhat to hide before posting a photo, and how to use mosaic and blur safely. Covers why weak blur can be reversed and the hidden location data (EXIF) inside photo files.2026-09-29
- JPG vs PNG vs WebP: Which Image Format Should You Use?JPG for photos, PNG for transparency, WebP for the web. How the three formats differ, when to pick each one, and why the same photo can vary so much in file size.2026-09-29