Compress JPEG to 400 KB
A 400 KB JPEG target keeps hero banners detailed while staying light for marketing pages.
Upload Your Image
Drag & drop or click to select your image (Max 20MB)
Supports JPG, PNG, GIF, WEBP formats
400 KB JPEG Compression for Landing Banners
Keep campaign visuals rich without slowing landing pages.
Target 400 KB for Banners
Set a 400 KB cap for landing page banners and campaign headers so visuals stay detailed while pages load quickly for visitors. This keeps campaign landing pages smooth on mobile.
Color and Gradient Control
Balanced compression keeps gradients, brand colors, and overlay text smooth, which helps hero sections feel polished and readable. This keeps campaign landing pages smooth on mobile.
Fast Landing Pages
400 KB helps multi section marketing pages stay light, so visitors can scroll quickly without heavy downloads. This keeps campaign landing pages smooth on mobile.
Local, Private Processing
Compression runs locally for privacy, so campaign artwork stays on your device while you test variants. This keeps campaign landing pages smooth on mobile.
JPEG Ready for Marketing
JPEG output stays compatible with marketing CMS tools and ad platforms, which keeps publishing workflows simple. This keeps campaign landing pages smooth on mobile.
Consistent Hero Crops
Lock the aspect ratio and downscale gently to hit 400 KB while keeping hero crops consistent across breakpoints. This keeps campaign landing pages smooth on mobile.
Make a 400 KB JPEG in 3 Steps
Upload, set the target, and export banner images fast.
Upload a Banner Image
Add a JPG, PNG, or WebP file to start. The tool prepares a clean base for a 400 KB JPEG target. This keeps campaign landing pages ready
Set 400 KB
Enter 400 KB and adjust dimensions if needed. Small downscales keep text overlays clean. This keeps campaign landing pages ready
Download the JPEG
Export once it reaches 400 KB. Files already under the limit stay unchanged for quick launches. This keeps campaign landing pages ready
Compress JPEG to 400 KB
Compress JPEG to 400 KB for landing page banners and campaign headers. Keep marketing pages fast while visuals stay polished.
FAQ for 400 KB JPEG Compression
Common questions about 400 KB JPEG sizing.
400 KB works well for landing page banners, campaign headers, and marketing sections where you want strong visual impact without heavy page weight. It keeps hero imagery detailed while keeping pages responsive.
400 KB provides more detail than 300 KB for gradients and brand imagery, but it stays lighter than 500 KB for faster loads. Use 400 KB when you want a polished hero with a reasonable size budget. This keeps pages responsive.
Overlay text can stay readable if the background is clean and contrast is strong. Avoid tiny fonts and busy textures, then preview at final hero size to confirm clarity before publishing. It is a solid balance for campaign landing pages.
Sometimes. A small reduction in width is often enough to reach 400 KB without visible artifacts. Keep the aspect ratio locked so hero banners remain aligned across breakpoints. It is a solid balance for campaign landing pages.
Usually no. Motion headers and highly detailed scenes may need higher budgets. Use 400 KB for static hero banners and choose a larger target for complex visuals. It is a solid balance for campaign landing pages.
If the file is already under 400 KB, it exports unchanged to avoid extra compression. That preserves existing quality while keeping the banner lightweight for launch pages. It is a solid balance for campaign landing pages.
Yes. Compression runs in your browser, so images are not uploaded or stored. This keeps campaign artwork private and supports quick iterations. It is a solid balance for campaign landing pages. This keeps pages responsive.
Use clean gradients, limit heavy noise, and keep the subject centered. Simple scenes compress better and stay sharp at 400 KB. If it looks soft, reduce dimensions slightly and recheck. It is a solid balance for campaign landing pages.
Yes, our image resizing tool is completely free to use. No registration required, no watermarks, and no hidden fees. Simply upload your image and resize it to your desired dimensions.
Absolutely! All image processing is done locally in your browser. Your images are never uploaded to our servers, ensuring complete privacy and security of your files.
Popular resize presets
Jump to the most commonly used image sizes for your projects