PNG8 is PNG with an 8-bit indexed palette — at most 256 colors, the "GIF-quality" PNG that Fireworks era designers exported for tiny file sizes.
Typical use: Convert PNG8 files like any PNG — to JPG, WebP or full-color formats.
About the PNG8 format
PNG は画素を 1 つも捨てない可逆圧縮形式です。何度保存しても劣化せず、透明チャンネルも扱えます。ロゴ、アイコン、スクリーンショット、文字入りの図——輪郭のはっきりした画像に最適です。
写真のように階調が細かい画像では JPG より大きくなりがちです。このため実務では「写真は JPG、それ以外は PNG」という使い分けが定着しています。
Strengths
- ✓ 劣化なしで何度でも保存できる
- ✓ 透明を扱える
- ✓ 文字や線がくっきり保たれる
- ✓ Ideal for text, line art and flat-color graphics — sharp edges stay sharp
Limitations
- ✗ 写真ではファイルが大きい
- ✗ アニメは標準で扱えない
- ✗ 16-bit or high-resolution PNGs can grow very heavy
- Compression
- Lossless (DEFLATE)
- Transparency
- Full alpha (8/16-bit)
- Animation
- Only via APNG extension
- Metadata
- tEXt chunks, ICC profile
- Best for
- Screenshots, logos, sharp graphics
Convert PNG8 to…
45 direct directions plus 12 workflows, sorted A–Z; 🔥 marks popular targets.
Convert other files to PNG8…
Cross-engine workflows
Frequently asked questions
What is a PNG8 file?
PNG8 is PNG with an 8-bit indexed palette — at most 256 colors, the "GIF-quality" PNG that Fireworks era designers exported for tiny file sizes.
How do I convert PNG8 files online?
Pick a target format from the "Convert PNG8 to…" list below, drop your file and hit convert. Everything runs in your browser — no install, no upload, no watermark, no limits.
Is it safe to convert PNG8 files here?
Yes. Every conversion is performed by your own device inside the browser — files never leave for a server, and the page keeps working even offline.
Which formats can PNG8 convert to?
This page lists all 57 directions across documents, images, audio, video, spreadsheets and archives — each one is its own free converter page.