手机里有一个 JPG 文件夹：一份租赁合同、一张维修发票，以及三页平铺在桌上拍摄的表格。办公室要求提交一份 PDF。 将它们添加到这里。仅支持 JPG 和 JPEG 格式；PNG 或 HEIC 文件（即使重命名为 .jpg）会被拦截在对应的卡片上，并提供一个指向 Image to PDF 的链接，其余文件则继续处理。每张照片将成为一页，卡片上的数字即为页码。拖动卡片可移动位置，或打开其菜单并使用 Move to… 输入页码。相机记录的方向已自动应用；如果页面仍然是侧向的，只需点击一次 Rotate 90° clockwise 即可。 设置按钮显示页面设置，例如 A4 · Automatic · Small margin。Automatic 会为宽幅照片分配横向页面，其余照片分配纵向页面，且每张照片都会在不被裁剪的情况下缩放以适应页边距。Fit to image 则使每个页面的形状与照片一致。 点击 Save PDF。在选择 Quality first 时，大多数 JPG 将在不经过重新编码的情况下进入 PDF：压缩图片将原样复制。CMYK 和 12 位 JPG 是例外：如果您的浏览器可以解码这些文件，本版本将对其进行转换，且其卡片上会予以标注。如果 PDF 文件太大而无法通过上传表单，请尝试 Smaller file：它会为每张照片准备一个长边最多 2000 像素的版本，且仅在确实能减小文件体积时才使用该版本；否则照片将保持原样。下方的条带显示页数和实际文件大小。 剔除的内容包括：照片中的位置、相机详情和日期，以及您的文件名。拍摄页面上的文本仍为文本图像，因此您可以阅读但无法搜索。 我的指南涵盖了页面尺寸、JPEG 质量与文件大小、手机照片以及 PDF 保留的内容。
A folder of JPGs on your phone: a lease, a repair invoice, three pages of a form you photographed flat on the table. The office wants one PDF. Add them here. Only JPG and JPEG go in; a PNG or HEIC, even one renamed to .jpg, is stopped on its card with a link to Image to PDF, and the rest carry on. Each photo becomes a page, and the number on its card is its page number. Drag a card to move it, or open its menu and use Move to… to type a page number. The direction your camera recorded is already applied; a page that still came out sideways needs one tap on Rotate 90° clockwise. The settings button shows the page setup, for example A4 · Automatic · Small margin. Automatic gives a wide photo a landscape page and the others a portrait one, and every photo is scaled to fit inside the margins without being cropped. Fit to image makes each page the shape of its photo instead. Tap Save PDF. With Quality first, most JPGs go into the PDF without being re-encoded: the compressed picture is copied as it is. CMYK and 12-bit JPGs are the exception: this version converts them when your browser can decode them, and their cards say so. If the PDF is too big for an upload form, try Smaller file: it prepares a version of each photo at most 2000 px on the long side and uses it only where that really makes the file smaller; otherwise the photo stays as it was. The strip below shows the number of pages and the real file size. What stays out: the location, camera details and dates inside your photos, and your file names. The text on a photographed page stays a picture of text, so you can read it but not search it. My guides cover page sizes, JPEG quality and file size, phone photos, and what the PDF keeps.
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