Practical image optimisation guides
Find clear, practical guidance for choosing image dimensions, file size and format for websites, email campaigns, social media and vector workflows.
Create better images for web, email and social media
How to Compress Images Without Losing Quality
Balance dimensions, format and encoding, compare lossy and lossless methods, and recognise excessive compression.
JPG vs PNG vs WebP vs SVG: Which Image Format Should You Use?
Compare photographs, logos, screenshots, transparency, animation, browser support and vector-versus-raster trade-offs.
How to Resize Images Without Stretching or Losing Quality
Preserve aspect ratio, choose useful pixel limits and understand the practical difference between downscaling and upscaling.
How to Optimise SVG Files Safely Without Damaging Vector Artwork
Clean SVG structure safely while preserving the viewBox, responsive scaling, security boundaries and genuine vector output.
Mailchimp Email Image Sizes and Optimisation Guide
Compare new and legacy Mailchimp builders, 660px and 600px layouts, Retina campaign banners, Content Studio and Gmail clipping.
Salesforce Marketing Cloud Email Image Sizes and Best Practices
Prepare Content Builder assets, reusable blocks, personalised images and responsive campaigns with practical Outlook and QA guidance.
Oracle Eloqua Email Image Sizes and Optimisation Guide
Use Oracle's documented Design Editor column sizes, 360px mobile preview, Retina preparation and campaign testing guidance.
HubSpot Email Image Sizes and Optimisation Guide
Improve marketing email modules, campaign banners, mobile visibility, image accessibility and real-inbox testing.
Klaviyo Email Image Sizes and Optimisation Guide
Prepare efficient ecommerce banners, product blocks and automated-flow images using Klaviyo's current template recommendations.
Facebook Image Sizes: Posts, Covers, Stories and Profile Photos
Prepare Facebook profile images, Page covers, group and event banners, feed posts, Stories and website link previews.
Instagram Image Sizes: Posts, Stories, Reels and Profile Photos
Compare current Instagram feed, carousel, Story, Reel and profile image dimensions, including 3:4 portrait posts and safer mobile cropping.
LinkedIn Image Sizes: Posts, Banners, Profile Photos and Company Pages
Find current LinkedIn profile, company, post, article and link-preview dimensions with practical advice for desktop and mobile.
TikTok Image Sizes: Profile Photos, Thumbnails and Creative Assets
Understand TikTok profile photos, photo posts, vertical cover artwork, safe areas and advertising image requirements.
Email Image Size Guide: Dimensions, File Size and Retina Images
Choose practical email image dimensions, prepare sharp Retina assets, compare JPG and PNG, and account for Outlook, mobile screens and dark mode.
Retina Email Images: How to Create Sharp 2x Images Without Large Files
Understand display dimensions, pixel density, practical 600px to 660px layouts, Outlook image widths and smaller high-resolution email assets.
Apply the recommendations immediately using our private, browser-based email image tool.