About ImageSizeKit

What we make

The site focuses on image size guides, upload-readiness checkers, aspect-ratio calculators, and practical export notes for creator platforms.

Each utility page is designed to answer one production question before a creator exports or uploads an image: whether the canvas is large enough, whether the ratio is correct, whether text will survive small screens, and which follow-up guide is most relevant for the asset.

Start with the free YouTube thumbnail size tool to check current dimensions, aspect ratio, file type, and upload readiness.

What we avoid

The MVP does not use accounts, databases, image upload servers, saved image history, YouTube OAuth, AI thumbnail scoring, or template marketplaces.

This keeps the tools focused on fast checks rather than asset management. If a page describes a workflow recommendation, it is separated from official platform requirements so users can tell what is required and what is practical advice.

How we decide what to add next

New pages are added when they solve a distinct creator task, not just because a keyword exists. A useful page should make one decision easier: choose an export size, understand a crop boundary, fix an upload-quality problem, or verify a file before publishing. If the same answer is already covered by an existing page, the better path is usually to improve that page and add clearer internal links.

The current priority is the creator image workflow: a strong YouTube cluster plus a cross-platform social image hub. The YouTube cluster includes standard thumbnails, Shorts covers, profile pictures, banner canvases, banner safe areas, thumbnail text readability, blurry upload fixes, and generic image dimension checks that route users back into the right YouTube guide. Start from the YouTube Image Sizes hub when the asset type is unclear, or use the Image Size Checker when you already have an exported file.

For non-YouTube assets, the Social Media Image Sizes hub groups Instagram, Facebook, LinkedIn, Open Graph, Etsy, and Shopify image requirements. Vertical covers need a different crop route from wide headers: use the Instagram Reel Cover Size route when a 9:16 Shorts frame, Story creative, or vertical campaign image needs Reel cover and profile-grid crop checks. Wide header images should go through the Banner Size Checker, while website link previews should use the Open Graph Image Size page before publication. Banner workflows also link to the YouTube banner template when a reusable 2560 x 1440 safe-area guide is the next practical step.

Source and correction policy

ImageSizeKit reviews official platform sources first, uses community questions only as user-language evidence, and keeps correction requests tied to specific page URLs and source dates. Read the editorial policy or contact ImageSizeKit if you find outdated guidance.