How do I convert ICO to PNG?

Upload your ICO file above. It is converted to PNG automatically (change the output format or quality in the Settings tab if you need to), then click Download. There is nothing to install.

Does converting ICO to PNG lose quality?

No. Both formats are lossless, so every pixel is kept exactly.

Will the PNG keep the transparent background?

Yes. PNG supports smooth, partial transparency, so transparent areas stay transparent.

ICOファイルとは？

An ICO file bundles one picture at several sizes, from 16 to 256 pixels, so browsers and Windows can pick the sharpest version for a tab, bookmark or desktop shortcut.

Is the ICO to PNG converter free?

Yes. Convert, preview and download a single result without creating an account. Premium adds batch conversion (many files into one ZIP) and larger uploads.

Convert ICO to PNG — Lossless, With Transparency

Convert ICO to PNG online for a lossless image that keeps transparency. No software to install. Preview one free or batch-convert with Premium.

Drop your ICO file or click to browse

Why convert ICO to PNG?

PNG is supported far more widely than ICO, so the file is easier to open, share and upload.
Transparent areas stay transparent: PNG supports smooth, partial transparency just like ICO.
PNG is made for screenshots, logos, text graphics and cut-outs.

What to expect when converting ICO to PNG

元のICOファイルは変更されません。新しいPNGのコピーをダウンロードします。
The PNG keeps the pixel dimensions of your ICO.

ICOとPNGの比較

機能	ICO	PNG
氏名	Windowsアイコン	Portable Network Graphics
由来	Created by Microsoft for Windows icons	Published as a W3C standard in 1996
圧縮	Lossless images at several sizes	ロスレス
透過	Yes — smooth, partial transparency	Yes — smooth, partial transparency
アニメーション	いいえ	いいえ
色	透過対応のフルカラー	チャンネルあたり最大16ビット
開けるアプリ	Browsers (as favicon.ico), Windows and icon editors	All browsers, phones, computers and image editors
こんな方に最適	website favicons and Windows app or shortcut icons	screenshots, logos, text graphics and cut-outs
主な欠点	icons are square and at most 256 × 256 pixels	large files for photographs

In short: choose ICO for website favicons and Windows app or shortcut icons; choose PNG for screenshots, logos, text graphics and cut-outs.

Frequently asked questions

How do I convert ICO to PNG?: Upload your ICO file above. It is converted to PNG automatically (change the output format or quality in the Settings tab if you need to), then click Download. There is nothing to install.
Does converting ICO to PNG lose quality?: No. Both formats are lossless, so every pixel is kept exactly.
Will the PNG keep the transparent background?: Yes. PNG supports smooth, partial transparency, so transparent areas stay transparent.
ICO or PNG: which should I use?: Use ICO for website favicons and Windows app or shortcut icons. Use PNG for screenshots, logos, text graphics and cut-outs. Keep in mind the main drawback of PNG: large files for photographs.
ICOファイルとは？: An ICO file bundles one picture at several sizes, from 16 to 256 pixels, so browsers and Windows can pick the sharpest version for a tab, bookmark or desktop shortcut.
Is the ICO to PNG converter free?: Yes. Convert, preview and download a single result without creating an account. Premium adds batch conversion (many files into one ZIP) and larger uploads.

ICOからPNGへでできること

始める前に、主な機能を確認してください。

Convert ICO files to PNG online
Keep every pixel with lossless PNG output
Switch to any other output format in Settings
Batch-convert many ICO files into one ZIP
Preview the result before you download

このツールを使用する

設定リファレンス

ICOからPNGへで使用可能なコントロール。

設定

出力形式ドロップダウン: Chooses the file type you download. The page opens on its own output format; switch to any other format before converting.オプション: JPGPNGWebPAVIFGIFTIFFBMPICOPDF
品質スライダーレンジ: 20–100 · デフォルト: 90: For JPG, WebP, AVIF and image-to-PDF output: higher keeps more detail but makes a bigger file; 60–80 suits most photos. Documents (Publisher, XPS, EPS…) become PDFs with every page and sharp text, with no quality setting.
ロスレスモードオン/オフ: For WebP and AVIF output: keeps every pixel exactly (best for logos, graphics and transparency) at the cost of a larger file.
背景の塗りつぶしカラーピッカー: 透過を保存できないJPG、BMP、画像からPDFへの出力用：透明な部分を塗りつぶす色（既定は白）。