# Image CDN Guide: Which CDN I Use and Why (2026) > I've tested BunnyCDN, Cloudflare Images, ImageKit, and more across dozens of websites. Here's my honest breakdown of the best image CDNs, real pricing data, and the setup that saves me thousands in bandwidth every year. Authoritative homepage: https://theimagecdn.com/ Markdown source for this file's index: https://theimagecdn.com/index.md ## Docs - [WebP vs AVIF vs JPEG - Which Image Format Should You Use in 2026?](https://theimagecdn.com/docs/webp-vs-avif-vs-jpeg.md): A practical comparison of WebP, AVIF, and JPEG with current browser support, compression tradeoffs, encoding speed, transparency, HDR, and clear recommendations by use case. - [Paid Image CDN Options 2026: Real Pricing, Billing Models & Cost Math](https://theimagecdn.com/docs/paid-cdn-options.md): BunnyCDN, ImageKit, Cloudflare Images, Sirv, Imgix, Uploadcare, and Gumlet compared by real 2026 pricing, billing model, free-plan cliff, and monthly cost math. - [Lossless Image Formats for the Web: PNG, WebP, AVIF, JPEG XL Compared](https://theimagecdn.com/docs/lossless-image-formats.md): A practical guide to lossless image formats for the web: PNG, lossless WebP, AVIF lossless, JPEG XL, GIF, TIFF, and when each one actually makes sense. - [Image Formats Explained: JPEG, PNG, WebP, AVIF, SVG, GIF, JPEG XL & HEIC](https://theimagecdn.com/docs/image-formats-explained.md): A practical 2026 guide to JPEG, PNG, WebP, AVIF, SVG, GIF, JPEG XL, and HEIC. - [JPEG XL in 2026: Back in Chrome, Still Not Ready for Your Website](https://theimagecdn.com/docs/jpeg-xl-explained.md): JPEG XL returned to Chrome behind a flag, and Safari has shipped it since 17. - [Best Image CDNs for PNG Files - Transparency, WebP & AVIF (2026)](https://theimagecdn.com/docs/image-cdns-for-png.md): A practical comparison of the best image CDNs for PNG files, including Bunny, ImageKit, Cloudflare, and Cloudinary for transparency, screenshots, logos, and WebP/AVIF delivery. - [Image CDNs for Startups: $0-15/Month Plans That Scale in 2026](https://theimagecdn.com/docs/image-cdns-for-startups.md): Startups do not need enterprise image CDNs. - [Best Image CDN for Small Ecommerce Websites in 2026: Product Images, Cost, and Speed](https://theimagecdn.com/docs/image-cdn-for-ecommerce.md): A practical image CDN guide for small ecommerce websites: BunnyCDN, ImageKit, Cloudinary, Cloudflare, Shopify, WooCommerce, product image SEO, cost math, and speed tradeoffs. - [Do Image CDNs Improve LCP? Test Setup, Results, and Fixes](https://theimagecdn.com/docs/do-image-cdns-improve-lcp.md): Do image CDNs actually improve Largest Contentful Paint? - [Best Free Image CDN in 2026: Real Limits, Failure Modes & Upgrade Paths](https://theimagecdn.com/docs/free-image-cdns.md): ImageKit, Cloudflare Images, Cloudinary, Uploadcare, Sirv, Gcore Image Stack, and jsDelivr compared by real free limits, format support, storage, bandwidth, operations, and what… - [Cloudinary Pricing Explained (2026): Credits, Free Tier & What You Actually Pay](https://theimagecdn.com/docs/cloudinary-pricing.md): Cloudinary pricing runs on credits: 1 credit = 1,000 transformations, 1 GB storage, or 1 GB bandwidth. - [BunnyCDN Pricing Explained (2026): What You Actually Pay for CDN + Optimizer](https://theimagecdn.com/docs/bunnycdn-pricing.md): BunnyCDN pricing is pay-as-you-go: CDN bandwidth from $0.01/GB, a $1 monthly minimum, and Bunny Optimizer at a flat $9.50/zone. - [Can Image CDNs Convert Image Formats? Yes - Here Is How](https://theimagecdn.com/docs/can-image-cdn-convert-formats.md): Image CDNs can convert JPEG, PNG, WebP, and AVIF at request time. - [Best Image CDN in 2026: 9 Providers Compared by Pricing, Features, and Use Case](https://theimagecdn.com/docs/best-image-cdns.md): BunnyCDN, ImageKit, Cloudflare Images, Gcore, Cloudinary, Imgix, Sirv, Gumlet, and Uploadcare compared by current pricing, billing model, WebP/AVIF support, free-plan limits, an… - [ImageKit Pricing: Free, Lite and Pro Plan Limits Compared](https://theimagecdn.com/docs/free-image-cdns/imagekit-free-plan-limits.md): ImageKit free gives 20 GB bandwidth, 3 GB DAM storage, and 2 users. - [ImageKit Coupon Code 2026 — The Real Discounts (No Fake Codes)](https://theimagecdn.com/docs/imagekit-coupon-code.md): There is no ImageKit coupon code you paste at checkout. - [How to Migrate Images to a CDN Without Losing SEO](https://theimagecdn.com/docs/migrate-images-to-cdn.md): A safe, five-phase plan to move your existing images to a CDN without breaking links, dropping out of Google Images, or losing ranking signals. - [Beyond LCP: How Images Cause CLS and Hurt INP](https://theimagecdn.com/docs/how-images-affect-cls-and-inp.md): LCP is only one of three Core Web Vitals images touch. - [Why Your Website Needs an Image CDN](https://theimagecdn.com/docs/why-your-website-needs-image-cdn.md): Images are usually the largest payload on a webpage and often control LCP. - [Smart Cropping with Image CDNs - How Auto Crop Actually Works](https://theimagecdn.com/docs/smart-cropping.md): Smart cropping uses face detection, subject detection, saliency, gravity, and focus points to crop images without cutting off important content. - [Image CDN vs Traditional CDN: What Actually Changes](https://theimagecdn.com/docs/image-cdn-vs-traditional-cdn.md): A technical comparison of image CDNs and traditional CDNs: caching, resizing, format conversion, compression, asset coverage, pricing, and when to use each. - [Do I Need a CDN? A Practical Decision Framework](https://theimagecdn.com/docs/do-i-need-cdn.md): A simple technical framework for deciding whether your website needs a CDN, an image CDN, or no CDN yet. - [Best WordPress Image Optimization Plugins in 2026: Compression, WebP/AVIF & Pricing Compared](https://theimagecdn.com/docs/best-wordpress-image-optimization-plugins.md): A practical comparison of the best WordPress image optimization plugins — Smush, ShortPixel, Imagify, EWWW, Optimole, and Converter for Media — on compression, WebP/AVIF support… - [Is PNG Lossy or Lossless? The Direct Answer](https://theimagecdn.com/docs/is-png-lossy-or-lossless.md): PNG is a lossless image format. - [HEIC vs JPG - Which Should You Use in 2026? (Quality, Size & Compatibility)](https://theimagecdn.com/docs/heic-vs-jpg.md): A practical HEIC vs JPG comparison: file size, quality, iPhone settings, and browser support. - [How to Minimize Cloudflare Images Costs (2026): 7 Practical Levers](https://theimagecdn.com/docs/how-to-minimize-cloudflare-images-costs.md): Cloudflare Images costs depend on whether you use remote transformations or hosted Images. - [EWWW Image Optimizer Review - Is It Still Worth Using in 2026?](https://theimagecdn.com/docs/ewww-image-optimizer-review.md): A practical EWWW Image Optimizer review covering the free plugin, Easy IO CDN, current pricing, WordPress tradeoffs, benchmarks, and better alternatives. - [Cloudflare Images Pricing 2026: Free vs Paid, Remote Images & Real Cost Math](https://theimagecdn.com/docs/cloudflare-images-pricing.md): Cloudflare Images pricing depends on how you use it: 5,000 free remote transformations, $0.50/1,000 on Paid, or $5/100K stored images plus $1/100K delivered images for hosted Im… - [BunnyCDN Coupon Code 2026 — $5 Free Credit + Honest Stacking Guide](https://theimagecdn.com/docs/bunnycdn-coupon.md): Working BunnyCDN coupon code for June 2026. - [7 Best Image CDNs for WordPress in 2026: Pricing, Plugins, and Setup](https://theimagecdn.com/docs/best-image-cdns-for-wordpress.md): Compare the best WordPress image CDNs and plugins: BunnyCDN, ShortPixel, EWWW, Optimole, Jetpack, Cloudflare, and WP Compress. - [Image CDN for Next.js: Loaders, Static Export & Cost Math (2026)](https://theimagecdn.com/docs/image-cdn-for-nextjs.md): A practical guide to using Bunny, ImageKit, Cloudflare, Netlify, Cloudinary, or a self-hosted image CDN with next/image in modern Next.js. - [Cloudinary vs ImageKit vs BunnyCDN: Which Image CDN Should You Use in 2026?](https://theimagecdn.com/docs/cloudinary-vs-imagekit-vs-bunnycdn.md): Cloudinary, ImageKit, and BunnyCDN compared by real pricing, image optimization features, developer workflow, WordPress fit, Next.js fit, and the honest catch with each one. - [Why Your Image CDN Is Not Improving LCP: 7 Configuration Mistakes](https://theimagecdn.com/docs/why-image-cdn-not-improving-lcp.md): Installed an image CDN but Largest Contentful Paint is still bad? - [Progressive JPEG vs Baseline JPEG - Which Should You Use?](https://theimagecdn.com/docs/progressive-jpeg-vs-baseline-jpeg.md): Progressive JPEG shows a blurry full-image preview before sharpening. - [Lossy vs Lossless Compression - When to Use Each for Web Images](https://theimagecdn.com/docs/lossy-vs-lossless-compression.md): Lossy compression makes photos much smaller by discarding visual data. - [Lazy Loading Images with an Image CDN - The Practical Guide](https://theimagecdn.com/docs/lazy-loading-image-cdn.md): Lazy loading delays below-the-fold images. - [Will an Image CDN Make My Website Faster? Usually, If Images Are The Bottleneck](https://theimagecdn.com/docs/will-image-cdn-make-website-faster.md): Image CDNs can make websites faster by resizing, compressing, converting, caching, and delivering images from the edge. - [Quick CDN Startup Guide: Set Up BunnyCDN the Right Way](https://theimagecdn.com/docs/quick-startup-guide.md): A practical BunnyCDN setup guide for WordPress, static sites, and custom apps. - [Free vs Paid Image CDNs: When Free Stops Being Enough](https://theimagecdn.com/docs/free-vs-paid-image-cdns.md): A practical comparison of free and paid image CDNs, including ImageKit, Cloudflare Images, BunnyCDN, Imgix, and Uploadcare. - [CDN for Pictures: What It Means and How to Set It Up](https://theimagecdn.com/docs/cdn-pictures.md): A CDN for pictures is an image delivery layer that caches, resizes, compresses, and converts photos before sending them to visitors. - [Can Using an Image CDN Hurt Your SEO? Only If You Misconfigure It](https://theimagecdn.com/docs/can-image-cdns-hurt-seo.md): Image CDNs usually help SEO by improving page experience and image delivery. ## Tools - [Free Image Tools: Online Converters and Optimizers](https://theimagecdn.com/tools.md): Free online image and PDF tools that run in your browser. - [Free WebP to PNG Converter - Browser-Based, No Upload Required](https://theimagecdn.com/tools/webp-to-png.md): Convert WebP images to PNG directly in your browser. - [Free PNG to WebP Converter - Browser-Based, No Upload Required](https://theimagecdn.com/tools/png-to-webp.md): Convert PNG images to WebP directly in your browser. - [Free PDF Compressor and Analyzer - Browser-Based, No Upload](https://theimagecdn.com/tools/pdf-compressor.md): Analyze and lightly optimize PDF files directly in your browser. - [Free JPG to PDF Converter - Browser-Based, No Upload Required](https://theimagecdn.com/tools/jpg-to-pdf.md): Combine JPEG and PNG images into one PDF directly in your browser. - [JPEG to WebP Converter - Free, Local, Batch](https://theimagecdn.com/tools/jpeg-to-webp.md): Convert JPEG and JPG images to WebP directly in your browser. - [Free Bulk Image Compressor - Browser-Based WebP, JPEG, PNG Output](https://theimagecdn.com/tools/image-compressor.md): Compress JPEG, PNG, WebP, GIF, and BMP images in your browser. - [Free HEIC to JPG Converter - Browser-Based iPhone Photo Converter](https://theimagecdn.com/tools/heic-to-jpg.md): Convert iPhone HEIC and HEIF photos to JPG directly in your browser. ## Reference - [Full content dump](https://theimagecdn.com/llms-full.txt): every docs and tools page as a single file. - [AI usage policy](https://theimagecdn.com/ai.txt): what crawlers and training bots are allowed to do. - [Sitemap](https://theimagecdn.com/sitemap.xml): canonical URL list. - [Resource catalog](https://theimagecdn.com/.well-known/api-catalog): RFC 9727 linkset for agent discovery.