
Convert PUB to JPG — Free Online PUB Converter
Convert PUB to JPG 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 JPG?
- JPG is supported far more widely than PUB, so the file is easier to open, share and upload.
- JPG is made for photos you share, email, print or upload.
- No Microsoft Publisher needed: the file is opened on our servers and you download a ready-to-use JPG.
What to expect when converting PUB to JPG
- JPG uses lossy compression; raise the quality in Settings for a closer copy of the original.
- Only the first page is converted.
PUB vs JPG
| 功能 | PUB | JPG |
|---|---|---|
| 全名 | Microsoft Publisher document | JPEG (Joint Photographic Experts Group) |
| Origin | Microsoft Publisher’s format since 1991 | Standardised in 1992 |
| 压缩 | Desktop-publishing layout | Lossy, adjustable quality |
| Transparency | 否 | 否 |
| 动画 | 否 | 否 |
| 颜色 | Full colour | 16.7 million colours (8 bits per channel) |
| Where it opens | Microsoft Publisher on Windows only | All browsers, phones, computers and photo apps |
| 最适合 | flyers, newsletters and cards designed in Microsoft Publisher | photos you share, email, print or upload |
| Main drawback | only Microsoft Publisher on Windows opens it | no transparency, and every re-save loses a little more detail |
In short: choose PUB for flyers, newsletters and cards designed in Microsoft Publisher; choose JPG for photos you share, email, print or upload.
Frequently asked questions
- How do I convert PUB to JPG?
- Upload your PUB file above. It is converted to JPG 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 JPG lose quality?
- JPG is lossy, so some fine detail is discarded to make the file smaller. Raise the quality in Settings for a closer copy.
- PUB or JPG: which should I use?
- Use PUB for flyers, newsletters and cards designed in Microsoft Publisher. Use JPG for photos you share, email, print or upload. Keep in mind the main drawback of JPG: no transparency, and every re-save loses a little more detail.
- What is a PUB file?
- 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 JPG without Microsoft Publisher?
- Yes. The PUB file is opened on our servers, so you don’t need Microsoft Publisher or any other software installed. Upload the file, then download the finished JPG.
- Is the PUB to JPG 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.
使用 PUB 转 JPG 可以做什么
在开始之前查看主要功能。
- Convert PUB files to JPG online
- Adjust JPG quality to balance file size and detail
- Switch to any other output format in Settings
- Batch-convert many PUB files into one ZIP
- Preview the result before you download
设置参考
5 个设置
PUB 转 JPG 的可用控件。
设置
- 输出格式下拉框
- Chooses the file type you download. The page opens on its own output format; switch to any other format before converting.选项: JPGPNGWebPAVIFGIFTIFFBMPICOPDF
- 质量滑块范围: 20–100 · 默认: 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.
- 无损模式开/关
- For WebP and AVIF output: keeps every pixel exactly (best for logos, graphics and transparency) at the cost of a larger file.
- 背景填充取色器
- For JPG, BMP and image-to-PDF output, which can’t store transparency: the colour that fills transparent areas (white by default).
模式
- 单个文件 / 批量下拉框
- 使用共享设置处理一个文件或一批文件。批量结果下载为一个 ZIP。选项: 单个文件批量
免费使用 · 无需注册 · 无水印上传过程全程加密传输已根据我们的数据保留政策移除
观看每一个转变土地
每张照片都原封不动地穿过斜线,并在另一边完成。

























