Image Resizing Guides
Practical guides on dimensions, file sizes and formats — written for the forms and platforms people actually have to satisfy.
• 9 min read
Why Your Resized Photo Still Gets Rejected
Your file is under the KB limit and the upload still fails. Seven reasons portals reject a correctly sized photo, and how to diagnose each.
Read more →• 8 min read
Exam Photo & Signature Sizes: How to Read the Rules
Recruitment portals specify photos in four dimensions at once. Here is how to read those rules and the order of operations that satisfies them.
Read more →• 8 min read
Why Image Tools Upload Your Photos
Most online image tools send your file to a server. Why they do it, what it means for your photo, and how to verify any tool yourself in 30 seconds.
Read more →• 6 min read
Bookmark a Resize: Preset Any Size in a URL
Build a link that opens the resizer with your dimensions, file size, unit and format already filled in. Full parameter reference and recipes.
Read more →• 5 min read
Social Media Image Sizes 2026 — Complete Guide
The definitive guide to image dimensions for Instagram, Facebook, Twitter/X, LinkedIn, YouTube, and Pinterest in 2026.
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