How do I convert PUB to PNG?

Upload your PUB 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 PUB to PNG lose quality?

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

PUB or PNG: which should I use?

Use PUB for flyers, newsletters and cards designed in Microsoft Publisher. Use PNG for screenshots, logos, text graphics and cut-outs. Keep in mind the main drawback of PNG: large files for photographs.

PUBファイルとは？

PUB is the document format of Microsoft Publisher, used for flyers, newsletters and cards. Only Publisher on Windows opens it, and Microsoft has announced that Publisher reaches end of support in October 2026.

Can I convert PUB to PNG without Microsoft Publisher?

はい。PUBファイルは当社のサーバーで開かれるため、Microsoft Publisherやその他のソフトをインストールする必要はありません。ファイルをアップロードして、完成したPNGをダウンロードしてください。

Is the PUB 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 PUB to PNG — Free Online PUB Converter

Convert PUB to PNG online. Open PUB files without Microsoft Publisher and get a compatible image; preview one free or batch-convert with Premium.

Drop your PUB file or click to browse

Why convert PUB to PNG?

PNG is supported far more widely than PUB, so the file is easier to open, share and upload.
PNG is made for screenshots, logos, text graphics and cut-outs.
No Microsoft Publisher needed: the file is opened on our servers and you download a ready-to-use PNG.

What to expect when converting PUB to PNG

Only the first page is converted.
元のPUB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。

PUBとPNGの比較

機能	PUB	PNG
氏名	Microsoft Publisher document	Portable Network Graphics
由来	1991年からのMicrosoft Publisherの形式	Published as a W3C standard in 1996
圧縮	DTPレイアウト	ロスレス
透過	いいえ	Yes — smooth, partial transparency
アニメーション	いいえ	いいえ
色	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	Microsoft Publisher on Windows only	All browsers, phones, computers and image editors
こんな方に最適	flyers, newsletters and cards designed in Microsoft Publisher	screenshots, logos, text graphics and cut-outs
主な欠点	only Microsoft Publisher on Windows opens it	large files for photographs

In short: choose PUB for flyers, newsletters and cards designed in Microsoft Publisher; choose PNG for screenshots, logos, text graphics and cut-outs.

Frequently asked questions

How do I convert PUB to PNG?: Upload your PUB 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 PUB to PNG lose quality?: No. Both formats are lossless, so every pixel is kept exactly.
PUB or PNG: which should I use?: Use PUB for flyers, newsletters and cards designed in Microsoft Publisher. Use PNG for screenshots, logos, text graphics and cut-outs. Keep in mind the main drawback of PNG: large files for photographs.
PUBファイルとは？: PUB is the document format of Microsoft Publisher, used for flyers, newsletters and cards. Only Publisher on Windows opens it, and Microsoft has announced that Publisher reaches end of support in October 2026.
Can I convert PUB to PNG without Microsoft Publisher?: はい。PUBファイルは当社のサーバーで開かれるため、Microsoft Publisherやその他のソフトをインストールする必要はありません。ファイルをアップロードして、完成したPNGをダウンロードしてください。
Is the PUB 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.

PUB から PNG 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 PUB files to PNG online
Keep every pixel with lossless PNG output
Switch to any other output format in Settings
Batch-convert many PUB 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

PUB から PNG 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）。