{"id":10296,"date":"2026-01-10T14:55:21","date_gmt":"2026-01-10T06:55:21","guid":{"rendered":"https:\/\/blog.visual-paradigm.com\/tw\/what-is-a-png-file\/"},"modified":"2026-01-10T14:55:21","modified_gmt":"2026-01-10T06:55:21","slug":"what-is-a-png-file","status":"publish","type":"post","link":"https:\/\/blog.visual-paradigm.com\/tw\/what-is-a-png-file\/","title":{"rendered":"\u4ec0\u9ebc\u662fPNG\u6a94\u6848\uff1f"},"content":{"rendered":"<h1>\u4ec0\u9ebc\u662fPNG\u6a94\u6848\uff1f<\/h1>\n<p>PNG\u662f\u4e00\u7a2e\u76ee\u524d\u975e\u5e38\u6d41\u884c\u7684\u6a94\u6848\u683c\u5f0f\u3002PNG\u7684\u5b8c\u6574\u540d\u7a31\u662f<a href=\"https:\/\/www.techtarget.com\/whatis\/definition\/PNG-Portable-Network-Graphics\">\u53ef\u79fb\u690d\u7db2\u8def\u5716\u5f62<\/a>\uff0c\u5b83\u662f\u4e00\u7a2e\u652f\u63f4\u7121\u640d\u8cc7\u6599\u58d3\u7e2e\u7684\u5149\u67f5\u5716\u5f62\u6a94\u6848\u683c\u5f0f\u3002PNG\u652f\u63f4\u5168\u5f69\u975e\u8abf\u8272\u677f\u57fa\u790e\u7684<a href=\"https:\/\/www.nixsensor.com\/blog\/what-is-rgb-color\/\" rel=\"noopener noreferrer\" target=\"_blank\">RGB<\/a>\u6216RGBA\u5716\u7247\uff0c\u4ee5\u53ca\u57fa\u65bc\u8abf\u8272\u677f\u7684\u5f71\u50cf\uff08\u5305\u542b24\u4f4d\u5143RGB\u621632\u4f4d\u5143RGBA\u8272\u5f69\u7684\u8abf\u8272\u677f\uff09\u3001\u5e36\u6709\u6216\u4e0d\u5e36\u900f\u660e\u5ea6\u7684alpha\u901a\u9053\uff0c\u4ee5\u53ca\u7070\u968e\u5f71\u50cf\u3002\u975eRGB\u8272\u5f69\u7a7a\u9593\u5982<a href=\"https:\/\/www.printingcenterusa.com\/blog\/what-is-cmyk-and-why-is-it-used-for-printing\/\" rel=\"noopener noreferrer\" target=\"_blank\">CMYK<\/a>\u4e0d\u88ab\u652f\u63f4\uff0c\u56e0\u70baPNG\u5de5\u4f5c\u5c0f\u7d44\u8a2d\u8a08\u6b64\u683c\u5f0f\u662f\u70ba\u4e86\u7db2\u8def\u5716\u50cf\u50b3\u8f38\uff0c\u800c\u975e\u9ad8\u54c1\u8cea\u5370\u5237\u5716\u5f62\u3002<\/p>\n<p><img alt=\"\" class=\"alignnone wp-image-10771 size-full\" decoding=\"async\" height=\"421\" loading=\"lazy\" sizes=\"auto, (max-width: 582px) 100vw, 582px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-02-1.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-02-1.png 582w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-02-1-300x217.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-02-1-150x109.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-02-1-400x289.png 400w\" width=\"582\"\/><\/p>\n<h1>PNG\u683c\u5f0f\u7684\u7279\u9ede<\/h1>\n<h3><strong><span class=\"mw-headline\" id=\"Transparency_of_image\">\u5f71\u50cf\u900f\u660e\u5ea6<\/span><\/strong><\/h3>\n<ul>\n<li>\u60a8\u53ef\u4ee5\u8f15\u9b06\u6307\u5b9aPNG\u683c\u5f0f\u7684\u900f\u660e\u80cc\u666f\u3002PNG\u63d0\u4f9b\u591a\u7a2e\u900f\u660e\u5ea6\u9078\u64c7\u3002\u771f\u5f69\u8272\u548c\u7070\u968e\u5f71\u50cf\u7684\u55ae\u500b\u50cf\u7d20\u503c\u53ef\u8a2d\u5b9a\u70ba\u900f\u660e\uff0c\u6216\u53ef\u52a0\u5165alpha\u901a\u9053\uff08\u5141\u8a31\u4efb\u4f55\u7a0b\u5ea6\u7684\u90e8\u5206\u900f\u660e\uff09\u3002\u5c0d\u65bc\u5df2\u4f7f\u7528\u8abf\u8272\u677f\u7684\u5f71\u50cf\uff0c\u53ef\u5c07alpha\u503c\u52a0\u5165\u8abf\u8272\u677f\u9805\u76ee\u4e2d\u3002<\/li>\n<\/ul>\n<h3><strong><span class=\"mw-headline\" id=\"Animation\">\u52d5\u756b<\/span><\/strong><\/h3>\n<ul>\n<li>PNG\u4e0d\u539f\u751f\u652f\u63f4\u52d5\u756b\u3002<a href=\"https:\/\/en.wikipedia.org\/wiki\/Multiple-image_Network_Graphics#:~:text=Multiple%2Dimage%20Network%20Graphics%20(MNG,free%20software%20reference%20implementations%20available.\" rel=\"noopener noreferrer\" target=\"_blank\"> MNG<\/a>\u7531PNG\u5c0f\u7d44\u6210\u54e1\u5275\u5efa\uff0c\u662fPNG\u7684\u5ef6\u4f38\u683c\u5f0f\u3002MNG\u8207PNG\u5177\u6709\u985e\u4f3c\u7684\u57fa\u790e\u7d50\u69cb\uff0c\u4e26\u4f7f\u7528\u8a31\u591a\u76f8\u540c\u7684\u69cb\u5efa\u5143\u4ef6\uff0c\u4f46\u5176\u7d50\u69cb\u8907\u96dc\u5f97\u591a\uff0c\u4e14\u64c1\u6709\u7368\u7acb\u7684\u6a94\u6848\u7c3d\u540d\uff0c\u56e0\u6b64\u8207\u5927\u591a\u6578\u7dda\u4e0a\u700f\u89bd\u5668\u6216\u61c9\u7528\u7a0b\u5f0f\u6240\u4f7f\u7528\u7684PNG\u89e3\u78bc\u5668\u4e0d\u76f8\u5bb9\u3002<\/li>\n<\/ul>\n<h3><strong><span class=\"mw-headline\" 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alt=\"\" class=\"alignnone wp-image-10773 size-full\" decoding=\"async\" height=\"421\" loading=\"lazy\" sizes=\"auto, (max-width: 581px) 100vw, 581px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-01.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-01.png 581w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-01-300x217.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-01-150x109.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-01-400x290.png 400w\" width=\"581\"\/><\/p>\n<h1><span class=\"mw-headline\" id=\"Comparison_with_other_file_formats\">\u8207\u5176\u4ed6\u6a94\u6848\u683c\u5f0f\u9032\u884c\u6bd4\u8f03<\/span><\/h1>\n<h3><strong><span class=\"mw-headline\" id=\"Graphics_Interchange_Format_(GIF)\">\u5716\u5f62\u4ea4\u63db\u683c\u5f0f\uff08GIF\uff09<\/span><\/strong><\/h3>\n<ul>\n<li>\u5c0d\u65bc\u5927\u591a\u6578\u5716\u50cf\uff0c\u4e00\u500b<a href=\"https:\/\/www.howtogeek.com\/441185\/what-is-a-gif-and-how-do-you-use-them\/\" rel=\"noopener noreferrer\" target=\"_blank\">GIF<\/a>\u6a94\u6848\u7684\u5927\u5c0f\u901a\u5e38\u6bd4\u7d22\u5f15\u5f0fPNG\u5716\u50cf\u66f4\u5927\u3002<\/li>\n<li>PNG\u63d0\u4f9b\u7684\u900f\u660e\u5ea6\u9078\u9805\u6bd4GIF\u5ee3\u6cdb\u5f97\u591a<\/li>\n<li>\u5c07\u5716\u50cf\u5f9ePNG\u683c\u5f0f\u8f49\u63db\u70baGIF\u6642\uff0c\u5716\u50cf\u54c1\u8cea\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff<\/li>\n<\/ul>\n<h3><strong><span class=\"mw-headline\" id=\"JPEG\">JPEG<\/span><\/strong><\/h3>\n<ul>\n<li>PNG\u683c\u5f0f\u53ef\u4ee5\u6bd4JPEG\u66f4\u6709\u6548\u5730\u58d3\u7e2e\u5716\u50cf\u8cc7\u6599<\/li>\n<li>JPEG\u4e0d\u652f\u63f4\u900f\u660e\u5ea6<\/li>\n<\/ul>\n<h3><strong><span class=\"mw-headline\" id=\"TIFF\">TIFF<\/span><\/strong><\/h3>\n<ul>\n<li>PNG\u50c5\u652f\u63f4\u975e\u9810\u4e58Alpha\uff0c\u800c<a href=\"https:\/\/www.widen.com\/blog\/whats-the-difference-between-png-jpeg-gif-and-tiff\" rel=\"noopener noreferrer\" target=\"_blank\">TIFF<\/a>\u4e5f\u652f\u63f4\u9810\u4e58Alpha\u3002<\/li>\n<\/ul>\n<h3><strong><span class=\"mw-headline\" id=\"JPEG-LS\">JPEG-LS<\/span><\/strong><\/h3>\n<ul>\n<li>JPEG-LS\u901a\u5e38\u6bd4PNG\u8868\u73fe\u66f4\u597d<\/li>\n<li>PNG\u548cJPEG-LS\u683c\u5f0f\u90fd\u662f\u53ef\u9078\u65b9\u6848\uff0c\u6a94\u6848\u5927\u5c0f\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\u56e0\u7d20<\/li>\n<\/ul>\n<p><img alt=\"\" class=\"alignnone wp-image-10774 size-full\" decoding=\"async\" height=\"421\" loading=\"lazy\" sizes=\"auto, (max-width: 581px) 100vw, 581px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-03.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-03.png 581w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-03-300x217.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-03-150x109.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/12-03-400x290.png 400w\" width=\"581\"\/><\/p>\n<h1>\u5c07PNG\u8f49\u63db\u70baPDF<\/h1>\n<p>\u5982\u4f55\u5c07PNG\u8f49\u63db\u70baPDF\u3002\u975e\u5e38\u7c21\u55ae\u3002\u60a8\u53ea\u9700\u4f7f\u7528\u4efb\u4f55\u7db2\u9801\u700f\u89bd\u5668\u8a2a\u554fAdobe Acrobat\u7dda\u4e0a\u670d\u52d9\uff0c\u7136\u5f8c\u627e\u5230\u300c\u5c07JPG\u8f49\u63db\u70baPDF\u300d\u7684\u9801\u9762\u3002\u8981\u4e0a\u50b3\u5716\u50cf\u6a94\u6848\uff0c\u53ea\u9700\u5c07\u5176\u62d6\u66f3\u81f3\u4e0a\u50b3\u5340\u57df\uff0c\u6216\u9ede\u9078\u300c\u9078\u64c7\u6a94\u6848\u300d\u6309\u9215\u3002<\/p>\n<h1>\u4f7f\u7528Visual Paradigm\u7dda\u4e0a\u514d\u8cbbPDF\u7de8\u8f2f\u5668\u7de8\u8f2fPDF\u6587\u4ef6<\/h1>\n<p>Visual 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Drive\u3001Dropbox\uff09\u4e2d\u9078\u64c7\u6a94\u6848\uff0c\u6216\u76f4\u63a5\u62d6\u66f3\u4e26\u653e\u4e0b\u6a94\u6848\u3002<\/p>\n<p><img alt=\"\" class=\"alignnone wp-image-10776 size-full\" decoding=\"async\" height=\"375\" loading=\"lazy\" sizes=\"auto, (max-width: 792px) 100vw, 792px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5337-4.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5337-4.png 792w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5337-4-300x142.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5337-4-768x364.png 768w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5337-4-150x71.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5337-4-400x189.png 400w\" width=\"792\"\/><\/p>\n<p>\u6587\u4ef6\u4e2d\u7684\u6587\u5b57\u548c\u5716\u7247\u90fd\u53ef\u4ee5\u9032\u884c\u4fee\u6539\u3002\u96d9\u64ca\u6587\u5b57\u5716\u5f62\u4ee5\u8abf\u6574\u5167\u5bb9\u548c\u5b57\u578b\u8a2d\u5b9a\u3002\u9078\u64c7\u4e00\u500b\u5716\u5f62\u6216\u5716\u7247\u9032\u884c\u7de8\u8f2f\uff0c\u7136\u5f8c\u9032\u884c\u8abf\u6574\uff0c\u4f8b\u5982\u8abf\u6574\u5927\u5c0f\u3001\u6dfb\u52a0\u6548\u679c\u7b49\u3002<\/p>\n<p><img alt=\"\" class=\"alignnone wp-image-9592 size-full\" decoding=\"async\" height=\"226\" loading=\"lazy\" sizes=\"auto, (max-width: 816px) 100vw, 816px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5335-1.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5335-1.png 816w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5335-1-300x83.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5335-1-768x213.png 768w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5335-1-150x42.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5335-1-400x111.png 400w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2022\/08\/Screenshot-5335-1-705x195.png 705w\" width=\"816\"\/><\/p>\n<p>\u5b8c\u6210\u7de8\u8f2f\u5f8c\uff0c\u60a8\u53ef\u4ee5\u5c07\u4fee\u6539\u5f8c\u7684PDF\u7dda\u4e0a\u5206\u4eab\u6216\u4e0b\u8f09\u3002\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u8f15\u9b06\u4f7f\u7528<a href=\"https:\/\/online.visual-paradigm.com\/online-pdf-editor\/\">Visual Paradigm\u7dda\u4e0aPDF\u7de8\u8f2f\u5668<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u9ebc\u662fPNG\u6a94\u6848\uff1f PNG\u662f\u4e00\u7a2e\u76ee\u524d\u975e\u5e38\u6d41\u884c\u7684\u6a94\u6848\u683c\u5f0f\u3002PNG\u7684\u5b8c\u6574\u540d\u7a31\u662f\u53ef\u79fb\u690d\u7db2\u8def\u5716\u5f62\uff0c\u5b83\u662f\u4e00\u7a2e\u652f\u63f4\u7121\u640d\u8cc7\u6599 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