Programmable Media

Transform and optimize images in Svelte (video tutorial)

Last updated: Jul-19-2024

Overview

This video tutorial teaches you how to optimize and transform the images you deliver in a Svelte app by using the CldImage component of the Svelte community-developed library.

Video tutorial


View the code
You can find the code from this tutorial in GitHub.

Tutorial contents

This tutorial presents the following topics. Click a timestamp to jump to that part of the video.

Introduction

Jump to this spot in the video  0:00 You can display Cloudinary-hosted images on your website using HTML, or you can use the CldImage component from the Svelte community-developed library for simplified access to Cloudinary's transformation and optimization features.

Deliver an image using an the Cloudinary CldImage component

Jump to this spot in the video  0:31 Once Svelte Cloudinary is installed, import the CldImage component into your project and replace your existing image tag with CldImage. In addition, instead of referencing the entire delivery URL, just specify the public ID.

Automatically optimize your images

Jump to this spot in the video  0:59 When using the CldImage component, your images are delivered with f_auto and q_auto by default. This means they're automatically delivered in the best format for the requesting browser and compressed for optimal performance while maintaining visual quality.

Format your image as a square

Jump to this spot in the video  1:17 You can crop an image to a height and width of 600 pixels with the fill crop mode, to format your image as a square.

Automatically focus on the most important part of the image

Jump to this spot in the video  1:34 Use the AI-based gravity="auto" property to ensure that all cropped images center on the essential area, avoiding any unwanted cuts.

Apply any transformation using the CldImage component

Jump to this spot in the video  1:41 The CldImage component provides access to all Cloudinary transformations, such as special effects, text and image overlays, and more.

Keep learning

Related topics

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Upload Assets in SvelteKit
Upload assets using the Upload widget in a SvelteKit App
Gravity Crops for Images
Indicate which areas to keep when cropping
Optimization Tips
Tips for delivering optimized images

 

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