Convert JPG, PNG, and WebP images to optimized WebP format. Smaller files, same quality — perfect for web performance.
All format conversion happens locally in your browser. Your files never leave your device.
The WebP Converter transforms JPG, PNG, and existing WebP images into optimized WebP format. You control the output quality level, and the conversion happens entirely in your browser — no uploads, no file size limits, no watermarks.
WebP is Google's modern image format that delivers 25-35% smaller files than JPEG at the same visual quality. This tool makes it easy to adopt WebP across your website or project. Drop in a JPG photo or a PNG graphic, choose your quality setting, and download a fully optimized WebP ready for web publishing.
| Platform | Ratio | Resolution | Notes |
|---|---|---|---|
| Website Hero Image | 16:9 | 1920 × 1080 | Serve WebP at 80% with JPEG fallback via picture element |
| Blog Featured Image | 16:9 | 1200 × 675 | WebP at 80% — improve LCP scores significantly |
| E-Commerce Product Photo | 1:1 | 2048 × 2048 | WebP at 85% — balance quality and catalog load speed |
| Portfolio Gallery Image | 3:2 | 2400 × 1600 | WebP at 90% for near-lossless quality in portfolio displays |
| Social Media Share Image | 1.91:1 | 1200 × 630 | WebP for faster Open Graph preview loading |
| Email Header Banner | 3:1 | 600 × 200 | WebP not supported in all email clients — use JPEG fallback |
| CMS Upload | 16:9 | 1920 × 1080 | Check if your CMS supports WebP — WordPress does since 5.8 |
| CDN Delivery | Various | Various | Use WebP with Accept header negotiation for automatic format selection |
| AMP Page Image | 16:9 | 1200 × 675 | WebP recommended for AMP pages — critical for speed scores |
| Next.js/React Image | Various | Various | Next.js Image component supports WebP natively with automatic optimization |
JPEG Photo (1.2MB) → WebP at 80% (380KB)
Standard web photo optimized for faster page loads. 68% file reduction with imperceptible quality difference at full resolution.
PNG Graphic with Transparency (2.8MB) → WebP at 85% (1.1MB)
Transparent logo compressed significantly while preserving the alpha channel. Identical visual appearance in supported browsers.
JPEG Screenshot (480KB) → WebP at 75% (180KB)
Blog screenshot optimized for article page speed. Text remains readable, colors stay accurate, file size drops by 62%.
PNG Infographic (4.5MB) → WebP at 80% (1.4MB)
Data visualization export shrunk by 69% for web delivery. Fine text and chart lines remain sharp and legible.
JPEG Product Photo (900KB) → WebP at 85% (310KB)
E-commerce product image optimized for catalog loading speed. Visual quality maintained for zoom and detail inspection.
PNG Banner (3.2MB) → WebP at 80% (890KB)
Website header banner compressed for faster LCP. Full-width display quality preserved while cutting bandwidth by 72%.
Website performance is critical — page load time affects SEO ranking, user engagement, and conversion rates. Images are the single biggest contributor to page weight, often accounting for 60-80% of total bytes downloaded. Switching from JPEG to WebP is one of the highest-impact, lowest-effort optimizations a developer can make.
Web developers batch-convert hero images and product photos to WebP for faster Core Web Vitals scores. Bloggers convert featured images to WebP to keep their WordPress sites snappy. E-commerce sellers reduce product page load times by switching their image catalogs to WebP without sacrificing visual quality that drives sales.
Quick reference for the most common platform dimensions
YouTube
Thumbnail1280 × 720
Ratio: 16:9
1080 × 1080
Ratio: 1:1
1080 × 1920
Ratio: 9:16
TikTok
Platform Video1080 × 1920
Ratio: 9:16
1000 × 1500
Ratio: 2:3
Twitter / X
Post Image1200 × 675
Ratio: 16:9
1200 × 630
Ratio: 1.91:1
1200 × 627
Ratio: 1.91:1
Upload a file, choose output quality settings, and download the converted result. Everything stays on your device.
Works with files up to 50MB. Larger files may take longer depending on your device.
Difficulty: beginner
Source Format
Compression: Varies by format
Transparency: Check each format
Output Format
Optimized for your needs
Quality setting: Configurable
Size changes vary by format. The quality slider lets you balance file size and visual fidelity. Higher quality = larger file.