PNG to APNG — Format Comparison & Online Converter
Fast, instant PNG to APNG conversion. No signup required. Just drop your .png file and get .apng in seconds.
Batch Settings
静止画のPNGに動きを加え、アニメーションとしての魅力を引き出すAPNG変換サービスへようこそ。ウェブサイトやSNSで、ただ美しいだけでなく、心に残る表現をしたいとお考えではありませんか？ 当社のツールは、お手持ちのPNG画像を、滑らかで高品質なAPNGアニメーションへと手軽に変換します。複雑な設定は一切不要。直感的な操作で、どなたでもプロフェッショナルな仕上がりを実現できます。マンガのコマ送りを活かした動き、ビジネスシーンでの視覚的な訴求力向上、あるいはフォントの微細な変化を表現したい時など、APNGはあなたのクリエイティブな発想を形にする強力な味方となるでしょう。この機会に、静止画の可能性を広げるAPNGの世界をぜひご体験ください。
- 漫画のキャラクターを動かす
- 企業のロゴアニメーション
- 縦書きテキストの強調表現
日本では、特にウェブトゥーンやSNSでの短尺アニメーション需要が高く、APNGはその手軽さから注目されています。また、フォントデザインの細やかな表現にも適しており、デザイナーからの評価も高いです。
About PNG to APNG Conversion
PNG (introduced 1996) and APNG are both image formats, but they differ in important ways. PNG uses lossless compression and supports transparency, making it perfect for graphics, logos, and screenshots. APNG is a widely used file format.
When you convert PNG to APNG, the goal is to convert between formats quickly. Converting PNG to APNG maintains high quality with CocoConvert's optimised encoder settings. Understanding these technical differences helps you choose the right format for your workflow.
Your PNG file is decoded and re-encoded as APNG. The conversion involves 4 steps: (1) your png file is uploaded and validated, (2) the file is decoded (parsed into its raw data), (3) the data is re-encoded in apng format, (4) the converted file is ready for download.
CocoConvert's converter handles the entire pipeline server-side using FFmpeg, Sharp, and qpdf — battle-tested libraries used by streaming platforms and enterprise tools. Files are encrypted in transit and deleted within 24 hours.
This conversion is ideal when you When you need a APNG file. For the opposite direction, CocoConvert also supports APNG to PNG conversion.
How to Convert PNG to APNG
- 1
Upload .png file
Select your PNG file by dragging it to the upload zone or using the file picker. Batch upload is available for multiple files.
- 2
Choose .apng
Set APNG as the output format. The converter uses optimal settings based on the PNG→APNG conversion profile.
- 3
Convert
The server-side engine decodes your PNG file and re-encodes it as APNG. Processing time depends on file size and complexity.
- 4
Download result
Grab your converted .apng file. Multiple output files can be downloaded together.
What Happens When You Convert PNG to APNG
Your PNG file is decoded and re-encoded as APNG.
Your PNG file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in APNG format
The converted file is ready for download
Format Comparison
PNG
.png file
| Extension | .png |
| MIME Type | image/png |
| Category | Image |
APNG
.apng file
| Extension | .apng |
| MIME Type | image/apng |
| Category | Image |
Should You Convert PNG to APNG?
When to Convert
- ✓When you need a APNG file
Frequently Asked Questions
What is the difference between PNG and APNG?
PNG uses lossless compression and supports transparency, making it perfect for graphics, logos, and screenshots. APNG is a widely used file format.
Does PNG to APNG conversion affect quality?
Converting PNG to APNG maintains high quality with CocoConvert's optimised encoder settings.
Which format has better compression, PNG or APNG?
PNG uses lossless compression. APNG is widely supported. The better choice depends on whether you prioritize file size or quality.
How long does PNG to APNG conversion take?
Most conversions finish in seconds. Larger files or complex image content may take 10–30 seconds. CocoConvert processes files in parallel for batch jobs.
Is PNG or APNG better for long-term storage?
PNG is better for archival since it's lossless.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.