Guides
Practical guides to image sizes, formats and upload limits, written by the people who build File Compressor.
- How to reduce JPG file size without visible quality lossWhy JPG photos get so large, which quality setting to use, when to resize, and how to shrink a JPG for web, email or upload forms.
- JPG vs PNG vs WebP: which image format should you use?A practical comparison of JPG, PNG and WebP: compression type, transparency, compatibility and which one to pick for photos, screenshots and websites.
- How to get a photo under 100 KB or 200 KB for an online formUpload portals often reject photos over 100 KB or 200 KB. How KB limits are counted, what size in pixels you need, and how to get under the limit without ruining the photo.