在线免费WebP转换器
将图片转换为WebP格式或从WebP转为JPG/PNG。
Frequently Asked Questions
How much smaller are WebP files compared to JPG and PNG?
Google reports WebP is 25–34% smaller than JPG at equivalent visual quality, and 26% smaller than PNG. A typical 200 KB JPG product photo might become 130–150 KB in WebP with no perceptible quality difference.
Do all browsers support WebP?
Yes as of 2024 — WebP is supported in Chrome, Firefox, Safari (since 2020), Edge, Opera, and all modern mobile browsers. Internet Explorer doesn't support WebP but IE has <1% market share. Safe to use WebP for all new web projects.
What quality setting should I use for WebP?
Quality 80–85 is a sweet spot for most web images: excellent visual quality at significantly smaller file size. For images with text, use 90+. For thumbnails where quality is less critical, 60–70 works well.
Does WebP support transparency like PNG?
Yes. Lossless WebP (quality=100) supports full alpha transparency. Lossy WebP also supports alpha transparency. Convert transparent PNGs to WebP to get both transparency and smaller file size.
Should I use WebP or AVIF for my website images?
WebP is the safe choice today — universal browser support. AVIF offers 50% better compression than WebP but browser support is still incomplete (not supported in Safari as of 2024). Use AVIF with a WebP fallback if you want both.
Is the WebP转换器 free to use?
Yes, the WebP转换器 on Allio Tools is completely free with no sign-up or registration required. It works directly in your browser.
How does the WebP转换器 work?
将图片转换为WebP格式或从WebP转为JPG/PNG。 No data is sent to a server — everything runs locally in your browser for maximum privacy and speed.
Do I need to install anything to use the WebP转换器?
No installation needed. The WebP转换器 runs entirely in your web browser on any device — desktop, tablet, or mobile.
Is my data safe when using the WebP转换器?
Completely safe. The WebP转换器 processes everything locally in your browser. No input data, results, or usage information is ever transmitted to or stored on any server.
Does the WebP转换器 work offline?
After the page loads for the first time, the WebP转换器 works without an internet connection for all client-side processing. Tools that fetch live external data (such as DNS or network lookups) require an active connection.
What image formats does the WebP转换器 support?
The WebP转换器 works with common image formats supported by your browser, including JPEG, PNG, WebP, and GIF. SVG support varies by tool. No format conversion plugin or driver is needed.
Does the WebP转换器 work with large image files?
Yes. The WebP转换器 processes files entirely in your browser using the Canvas API. Very large files (over 20 MB) may take a few extra seconds on older or lower-powered devices. Closing other tabs can free up memory for better performance.
Does the WebP转换器 work on all browsers?
Yes. The WebP转换器 is built with standard browser APIs and works on all modern browsers including Chrome, Firefox, Safari, and Edge — on both desktop and mobile. No plugins, extensions, or third-party software are required.
How do I save or export my results from the WebP转换器?
Select and copy the result text to paste into any document or app. For image tools, a Download button saves the file directly to your device. Your browser's built-in screenshot function also captures results quickly. No account or login is required.