Compress Image for Website Hero (Under 200 KB WebP)
The hero image is the LCP element on most landing pages. Under 200 KB is the CWV budget.
Your images stay on your device. Nothing is uploaded.
Website hero images are almost always the LCP element that Core Web Vitals measures. Under 200 KB WebP at 1920 px produces a retina-sharp desktop hero that arrives within CWV's 2.5-second LCP budget.
This preset produces a 1920 px WebP at quality 80 — desktop-retina-safe, CWV-compliant.
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Frequently asked questions
- How much can I shrink images for website hero?
- Typical reductions are 60–85% with no visible quality loss using the defaults on this page. Website hero images are almost always the LCP element that Core Web Vitals measures. Under 200 KB WebP at 1920 px produces a retina-sharp desktop hero that arrives within CWV's 2.5-second LCP budget.
- What format is best for website hero?
- For website hero the preset above outputs WEBP at quality 80 — the sweet spot for this workflow's LCP and CWV budget.
- Will compression break transparency or animation?
- Transparency is preserved when the output format supports it (PNG, WebP, AVIF). Animation is preserved for animated WebP. JPEG output flattens transparency to white.
- Can I compress dozens of images at once?
- Yes — use the bulk compressor. Drop a folder or multi-select files; the queue processes them in order with progress per file, and you can download all results as a ZIP.
- Do my images get uploaded anywhere?
- No. The tool runs entirely in your browser — important for client work, internal assets, and anything not yet published.
Optimise the rest of your website hero assets.
Use the bulk compressor to process a folder in one go. Everything runs locally.
Start compressing