Help
DigitalOfficePro

PNG 转 WEBP 在线转换器

只需 3 步，轻松将您的 PNG 文件转换为 WEBP 格式。

1
2
3
WEBP⌄

Your file will be uploaded to DigitalOfficePro storage. By using this service, you agree to the DigitalOfficePro Terms of Use.

⚙ 可选设置
dpi
FAQ

常见问题

关于 PNG 转换为 WEBP。

1

这个 PNG 转 WEBP 转换器免费吗？

是的，我们的转换器 100% 免费。无需注册，无隐藏费用。

2

将 PNG 转换为 WEBP 需要多长时间？

通过我们强大的云服务器，转换通常只需几秒钟。

3

我的 PNG 文件安全吗？

是的。您的文件在转换后立即被删除。

4

最大文件大小是多少？

您可以免费转换最大 400MB 的文件。

5

我需要安装软件吗？

无需安装。我们的转换器完全在您的网络浏览器中运行。

关于 PNG 到 WEBP 的转换

WebP实现的文件大小比PNG更小——无损格式通常小26%，有损格式小25-34%——同时提供同等或更好的视觉质量。对于网络开发者和设计师，将PNG资产转换为WebP是提高页面性能的快速、高影响力的胜利。

主要优势

1
文件减小26-34%

使用无损WebP将PNG文件大小减少多达三分之一，且没有可见的质量损失。

2
Core Web Vitals改善

更轻的图像直接改善Google Page Speed、LCP和其他排名信号。

3
完整透明度保留

无损WebP像PNG一样支持完整的Alpha透明度——真正的直接替代品。

4
原生浏览器支持

Chrome、Firefox、Edge和Safari 14+都无需插件支持WebP。

⚠️

Note: 无损WebP是现代网络应用中透明PNG的直接替代品。如果需要IE11支持，请通过HTML <picture>元素提供PNG作为回退。

如何将 PNG 转换为 WEBP？

1
上传您的 PNG 文件

点击「选择文件」或将您的 PNG 图片拖放上传。

2
选择 WEBP 作为输出格式

从下拉菜单中选择「WEBP」作为所需输出格式。

3
转换文件

点击「立即转换」开始将 PNG 文件转换为 WEBP。

4
下载 WEBP 文件

转换完成后，下载您已转换的 WEBP 文件。

PNG
  • 文件扩展名.png
  • 描述PNG (Portable Network Graphics) is a lossless raster image format that supports transparency. Ideal for graphics, logos, icons, and images that require a transparent background.
  • 相关程序Adobe Photoshop, GIMP, Microsoft Paint, Preview (Mac)
  • 开发者PNG Development Group
  • MIME 类型image/png
WEBP
  • 文件扩展名.webp
  • 描述WebP provides superior lossless and lossy compression for images on the web. WebP images are typically 25-34% smaller than comparable JPEG or PNG files.
  • 相关程序Google Chrome, Firefox, Adobe Photoshop (with plugin), GIMP
  • 开发者Google
  • MIME 类型image/webp

免费 PNG 转换工具

PNG vs WEBP：完整格式指南

功能
PNG
WEBP
压缩
PNGLossless
WEBPLossy+Lossless
透明度
PNGFull 8-bit alpha channel — each pixel can be any opacity level from fully transparent (0) to fully opaque (255)
WEBPFull 8-bit alpha channel — same capability as PNG, with better compression efficiency
动画
PNGNot in standard PNG; APNG (Animated PNG) is a non-standard extension with limited, inconsistent support
WEBPSupported — animated WebP stores multiple frames with per-frame timing data, offering vastly better quality and smaller files than animated GIF
色彩深度
PNG24-bit RGB (16.7M colors) or 32-bit RGBA (16.7M colors + full alpha); up to 48-bit for professional workflows
WEBP24-bit RGB + 8-bit alpha — 16.7 million colors with full alpha transparency
文件大小
PNG100 KB – 10 MB — significantly larger than JPG for photographic content
WEBP25–35% smaller than an equivalent-quality JPEG or PNG — typically 30–80 KB for standard web images
浏览器支持
PNGUniversal — all modern browsers, operating systems, and devices including IE7+
WEBPChrome 23+, Firefox 65+, Edge 18+, Safari 14+, Opera 12+. Not supported in Internet Explorer or Safari prior to iOS/macOS in 2020.
最适合
PNGGraphics, logos, UI
WEBPWeb images, modern apps

常见使用场景：PNG → WEBP

🎨 Website logos and brand assets🖥️ Web UI graphics and icons🛒 E-commerce product images📱 Progressive Web Apps (PWA)📊 Infographics and data visuals
⚠️Use WebP lossless mode when converting PNG logos and graphics to preserve pixel-perfect quality. Use WebP lossy mode for photographic PNG content where some quality loss is acceptable in exchange for greater file size savings.
PNG

关于 {from} 格式 PNG

PNG was created in 1996 as a free, patent-unencumbered alternative to GIF after Unisys enforced its LZW compression patent. The PNG Development Group introduced full-color support, genuine alpha transparency, and superior lossless compression. It quickly became the web standard for logos, UI elements, and any image requiring a transparent background — a role it dominates to this day.

优点
+Lossless — every pixel preserved with zero compression artifacts
+Full 8-bit alpha channel for smooth, semi-transparent edges
+Ideal for text, logos, and graphics where sharpness is non-negotiable
+Unlimited re-saves without any quality degradation whatsoever
局限性
−3–5× larger than JPG for photographic content
−No native animation support in standard PNG
−Slower to load than WebP for equivalent image content
−Not practical for very high-resolution photographs at web scale
使用时机
→Logos, icons, and brand marks placed over any background color
→Screenshots where text must remain perfectly sharp
→Images edited in multiple passes (keep as the master file)
→Web UI elements, buttons, icons, and interface assets
提示
•PNG-8 (256 colors) halves the file size of PNG-24 for simple flat-color graphics
•Converting PNG to WebP typically saves ~30% file size with no visible quality change
•Alpha transparency requires PNG-24 or PNG-32 — PNG-8 only supports binary transparency
•Tools like pngquant can reduce PNG size by 50–80% with minimal quality impact
WEBP

关于 {from} 格式 WEBP

Google developed WebP and announced it in 2010 using technology from the VP8 video codec. Initial adoption was Chrome-only, but Firefox added support in 2019 and Apple's Safari 14 followed in 2020 — finally making WebP viable for all modern web deployments without compatibility caveats. It is now Google's officially recommended image format for web performance optimization.

优点
+25–34% smaller than JPEG/PNG at equal quality — direct page load improvement
+Both lossy and lossless compression modes in a single format
+Full alpha transparency like PNG at significantly smaller file sizes
+Animated WebP replaces GIF with full-color quality and dramatically smaller files
局限性
−Not supported in Internet Explorer or Safari before iOS 14 / macOS Big Sur
−Print shops, Outlook, and Office apps don't accept WebP
−Limited native support in professional desktop imaging software
−Not practical for offline print workflows requiring Photoshop or Lightroom native support
使用时机
→Websites targeting modern browsers (Chrome, Firefox, Edge, Safari 14+)
→E-commerce and high-traffic sites where image performance impacts conversions
→Mobile-first apps where bandwidth and load time are critical
→Replacing animated GIFs with higher-quality, much smaller animated alternatives
提示
•Use the HTML <picture> element to serve WebP with a JPG fallback for older browsers
•WebP lossy quality 80 is perceptually equivalent to JPEG quality 90
•Animated WebP is dramatically better than GIF — smaller, full-color, and smoother
•CDNs like Cloudflare and Cloudinary auto-convert and serve WebP to supported browsers

最热门的转换工具

PDF to JPGDOCX to JPGEPS to PNGDOC to PDFJPG to BMPGIF to PNGJPG to WEBPPNG to BMPWMA to MP3MP3 to MP4AMR to WAVWAV to MP4MP4 to MP3MKV to AVIMP4 to MOV3GP to MP4

为什么选择 DigitalOfficePro？

👤
完全免费
FREE

完全免费的在线服务。无需费用，无需注册，可转换任意多个文件。

🔒
100% 安全
100%

您的文件在转换后立即从我们的服务器自动删除。

⚡
高速转换
< 3s

您的文件通过我们强大的云转换服务器进行转换。

∞
无限制
∞ files

对您可以转换的文件数量没有限制。

📤
高质量输出
HD quality

我们使用高质量的转换算法，确保转换质量。

🤝
支持 100+ 格式
200+ fmts

我们支持 200 多种文件格式。

Samsung
Duke University
Oracle
Microsoft
McAfee
Columbia University
VISA
IBM
AMD

支持的输入格式

上传以下任意格式并转换为 JPG、PNG、WEBP、BMP、GIF 或 TIFF。

标准图片

JPGPNGWEBPBMPGIFTIFFHEICPPMWBMP

设计与矢量

PSDAISVGXCFTGAPCX

RAW 相机

ARWCR2CRWDNGNEFORFPEFRAFRAWSR2MRWERFMEF3FRX3F

🌐 Available in

EnglishFrançaisEspañolDeutschPortuguês中文Русскийहिन्दीItalianoBahasa Indonesiaالعربية日本語Català한국어Bahasa MelayuTürkçeУкраїнськаPolskiSvenskaΕλληνικάNederlandsSuomiMagyarБългарскиNorskRomânăภาษาไทยTiếng Việt