Compress Images for Web
Steps
Open FastEdit
Go to app.fastedit.net. No installation, no account, runs entirely in your browser.
Load your images
Drag and drop one or more images. FastEdit accepts any format including JPEG, PNG, TIFF, HEIC, and RAW. Nothing is uploaded to any server.
Choose WebP or AVIF output
WebP is supported by all modern browsers and is 25-35% smaller than JPEG. AVIF is 50% smaller than JPEG but has slightly narrower browser support. Both are excellent for web use.
Resize to the display size
There is no reason to serve a 4000px image in a 800px container. Resize to the largest display size you need: 1200-1600px wide covers most web layouts including 2x retina.
Set quality and export
Quality 75-85 is the sweet spot for web images. Or use fit-to-size (100-200KB for content images, up to 500KB for hero images) to control file size directly.
Benefits
- Smaller images mean faster page loads, better Core Web Vitals, and higher SEO rankings.
- WebP and AVIF output delivers the smallest files with the best quality for modern browsers.
- Batch processing optimizes an entire site's image library in one session.
- No recurring costs, free tool replaces paid image optimization services.
- Works offline, so you can optimize images anywhere without internet access.
Compression Tips
- Always serve images at the display size, not the original camera size. A 4000px image in an 800px container wastes 90% of the data.
- For above-the-fold images, target 100-200KB to keep Largest Contentful Paint (LCP) fast.
- Use WebP as your default web format. It is supported everywhere and is 25-35% smaller than JPEG.
- Hero images and banners can be 300-500KB. Thumbnails and content images should be under 100KB.
- Enable lazy loading for below-the-fold images in your HTML. This is a code change, not a compression setting, but it works alongside compression.
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