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PNG Image Conversion: Batch Convert, Resize & Organize

Contenta Converter PREMIUM lets you open, convert, and batch process PNG files into modern formats like JPG, PNG, TIFF, PDF, and more.

Download the free trial: every file converts, keep 10 clean

Contenta Converter results screen showing 32 converted photos and a before and after preview
The results screen of Contenta Converter: 32 photos converted in 47 seconds, with a before and after preview.
  1. Add your PNG filesDrop in single files or a whole folder.
  2. Pick output formatJPG, PNG, TIFF, PDF and more.
  3. Click ConvertEvery file converted in one pass.

The same photo, five outputs

Photo of a stage set with a bed, a small table and a checked sofaDSC_0001.NEF · 3900×2613
  • PNG.png1.9 s
    16.1 MB
  • AVIF.avif2.2 s
    2.02 MB
  • JPG.jpg1.7 s
    1.69 MB
  • WebP.webp1.7 s
    1.32 MB
  • JPEG XL.jxl1.7 s
    1.12 MB
One Nikon D60 RAW file converted to five formats, at quality 90 where the format has a quality setting. PNG is lossless, so it is the largest. Seconds are the median of three runs. Measured with the Contenta Converter 9.0.35 command line on an AMD Ryzen 9 3900X, 2026-09-30.

PNG文件格式支持真是顏色（16百萬色），而GIF文件格式之容許256色。PNG的用武之地在於有大部分都是同樣顏色的圖像。無損格式PNG最適合修改圖畫。況且，所有現代瀏覽器都支持PNG。

Optimize file size, keep important metadata, and prepare images for web, print, or long-term archiving in just a few clicks.

✓ 100,000+ users worldwide · 100+ formats supported · Free trial, no time limit

格式

PNG

公司

Portable Network Graphics
說明 PNG文件格式支持真是顏色（16百萬色），而GIF文件格式之容許256色。PNG的用武之地在於有大部分都是同樣顏色的圖像。無損格式PNG最適合修改圖畫。況且，所有現代瀏覽器都支持PNG。
優點 Lossless: the picture comes out exactly as it went in. Full alpha transparency. Opens in every browser and editor. Best for text, line art and screenshots.
缺點 大的文件大小

Ready to convert your PNG files? Download the free trial.

Download the free trial: every file converts, keep 10 clean

使用者證明:

"今天一定得轉換一些圖像。你的軟件真是救了我一命！謝了！"
Jason Hoffman，加利福尼亞州

"我每天都拍攝RAW圖像。我非常喜歡你的軟件，因為它很省時。"
Jim Richardson，印第安納州

"我一直都在注意圖像轉換器。我發覺你們的軟件乾淨，簡單，而且非常棒！"
Brandon Keegan，紐約州

保證滿意:

簡單又專業的照片轉換以及處理過程
攝影師（業余和專業），設計工作室，建築師，大機構（NASA，IBM，克萊斯勒，大學醫院）所使用的產品。
完全無風險. 購買後，您將獲得一個30天退款保證，絕不多問。
CanonPanasonicApple
SONYNIKON CORPORATIONSAMSUNG
NikonOLYMPUS:58
Konica Corporation:26Medion AG
DJINokiaGoPro
KodakFUJIFILMHP
CASIOSIGMAWonderShare PowerCam
XiaomiHTCPENTAX
PhotosmartAmazonPhase One
MotorolaKONICA MINOLTA

PNG 圖像優化

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PNG 圖像色彩處理

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PNG 圖像處理

如何在 PNG 上添加水印？ How to create animated GIF slideshows from PNG? How to create pencil/ink drawings from PNG? 如何銳化 PNG ？ 如何模糊 PNG ？ 如何重新聚焦 PNG ？ 如何從 PNG 去噪熱像素？ 如何裁切 PNG？ 如何旋轉 PNG ？ 如何翻轉 PNG ？

PNG 圖像標注

如何改變 PNG 的DPI分辨率？ 如何修改 PNG 的IPTC/XMP創建和修改日期？ 如何修改 PNG 的IPTC/XMP說明？ 如何修改 PNG 的IPTC/XMP位置？ 如何修改 PNG 的IPTC/XMP法律信息？ 如何修改 PNG 的IPTC/XMP工作流程（轉狂，緊迫性）？ 如何修改 PNG 的版權資料？

Frequently Asked Questions about PNG

What is a PNG image file?

A PNG file is a type of image format used in various tools and workflows. With Contenta Converter PREMIUM you can convert PNG files to more common formats like JPG, PNG, or PDF without losing control over quality.

How do I convert PNG images to JPG?

Install Contenta Converter PREMIUM, add your PNG files to the input list, choose JPG as the output format, and click Convert. The software will process all selected files in a single batch.

Can I batch-process many PNG images at once?

Yes. Contenta Converter PREMIUM is built for batch processing and can handle hundreds or thousands of PNG images in one operation, using all available CPU cores.

When should I convert PNG images to another format?

Convert PNG images when you need better compatibility with web browsers, design tools, or printing services. Exporting to formats like JPG, PNG, or TIFF from Contenta Converter PREMIUM makes sharing and archiving much easier.

Does PNG support transparency?

Yes. PNG supports full alpha channel transparency, meaning each pixel can be fully transparent, fully opaque, or any level in between. This makes PNG ideal for logos, icons, and images that need to overlay other content.

Why are PNG files so much larger than JPG?

PNG uses lossless compression, preserving every pixel exactly. JPG uses lossy compression that discards imperceptible details, achieving 5-10x smaller files for photographs. For photos destined for the web, JPG or WEBP is usually the better choice.

Need more than PNG conversion? Browse supported cameras that produce PNG files below, or:

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