png 转换器

免费在线将音频、视频及其他文件从一种格式转换为另一种格式!

也可将文件拖放到此处,单个文件最大 1 GB。

请先选择文件,再开始转换。

WEB 和 PNG

Convert WebP images to PNG online. Free, fast, and no signup required.

转换器 PNG 到 PNG

你需要PNG显示器的HDR显示器OpenEXR吗?

Select the EXR part, view, level, and channel mapping, then apply explicit exposure and scene-linear-to-sRGB rendering to a full-resolution 16-bit PNG.

Convert EXR to 16-bit PNG

什么是PNG文件

Convertr.org是你在互联网上能找到的最好的PNG转换器!快速和安全,我们为自己有能力在几乎任何文件大小和格式下提供最好的转换速度而感到自豪。

PGN格式的优点和缺点是什么?

具有无损数据压缩的便携式网络图形格式。主要以允许一个物体被放置在创意软件中的清晰背景而闻名。

优势

  • 最小的图像压缩损失
  • 文件尺寸小
  • 支持256级的透明度

劣势

  • 图像不能被动画化
  • 不支持非RGB颜色空间,如CMYK
  • 比JPG更大的文件

PNG格式常见问题

PNG比JPG好吗?

当涉及到以最高质量保存图像时,只要不是用于摄影,PNG是明显的赢家,因为它的无损压缩算法。然而,对于摄影和节省空间来说,JPG更好,因为文件大小往往更小,再加上它对CMYK颜色空间的支持,与PNG不同。


PNG比TIFF好吗?

PNG通常更小,所以它们更适合于保存网站的资产,尽管WEBM已经取代了这个位置。然而,对于专业用途来说,在扫描和打印方面,TIFF是明显的赢家。


PNG是保存照片的最佳格式吗?

PNG是你可以选择的在电脑上保存照片的最佳格式。它的无损压缩算法使这些图像永远不会失去其原始质量。

PNG 转 SVG

转换器将 PNG 描摹成 SVG 矢量路径,而不是将原始 PNG 嵌入到 SVG 封装器中。

PNG 转 SVG

您需要高分辨率或透明的SVG PNG吗?

Use the dedicated SVG rasterizer to choose exact output dimensions, preserve transparent areas, or add a solid background before downloading PNG.

Convert SVG to PNG at chosen dimensions

您需要 AVIF 图像的 PNG 输出吗?

Use the dedicated converter to create a lossless PNG file and keep transparency when the AVIF source contains it.

Convert AVIF to lossless PNG

您需要从 PNG 图像中获得 ICO 符号吗?

Convert a PNG into a single-image ICO for Windows icons and simple favicons while keeping transparency.

转换为 PNG ICO

转换 JPEG XL

Inspect JXL dimensions, frames, bit depth, alpha, ICC, orientation, EXIF, and XMP. Convert at full resolution or use lossless JPEG recompression with byte-identical reconstruction.

PNG format guide

What to know before converting PNG

PNG is a lossless raster format supporting alpha transparency, color profiles, metadata, and optionally animation through APNG.

What this converter actually supports

Published still-image routes use the deployed ImageMagick and Ghostscript toolchain, with dedicated workflows for animation, camera RAW rendering, SVG tracing, and selected modern formats where the generic path is not sufficient.

Use PNG for graphics and transparent assets, JPG for smaller photos, or WebP and AVIF for web compression.

The public upload limit is 1 GB. Convertr does not reduce dimensions, duration, resolution, or output quality merely to manage worker load.

Quality and format limits

PNG and TIFF are useful lossless working targets. JPG is lossy and removes transparency; WebP and AVIF may be lossy or lossless. Preserve source pixel dimensions unless resizing is intentional.

Ordinary still-image conversion may flatten APNG animation; vector detail cannot be recreated from raster pixels.

Published PNG inputs

These links come from the active conversion catalog, not from a generic list of possible formats.

Published PNG outputs

Choose one of these implemented routes; a listed extension is not a promise that every codec variant will decode.

If a PNG conversion fails

Check that the file opens in its original application, is not encrypted or DRM-protected, and really matches its extension. A damaged header, unsupported internal codec, missing linked asset, or mislabeled file can fail even when PNG is generally supported. Try a different published target only when it fits your goal; changing the extension by hand does not convert the file.