線上JPG转PDF

将JPG影像轉換为PDF。将多个JPG檔案合併成一个PDF文件。

上傳圖片

拖放圖片到此處，或點選瀏覽。支援JPG、PNG、WebP、BMP、TIFF、SVG、HEIC。

Files: 100

關於此工具

JPG转PDF可以快速轻松地将您的JPEG影像轉換为PDF文件。无论您有单张照片还是多张影像，这个工具都能建立专业外观的PDF檔案。

您可以将多个JPG檔案合併成一个PDF，按任意顺序排列，并自定义頁面大小和方向。轉換过程保留影像品質，同时建立紧凑、可共享的PDF檔案。

所有轉換都在您的瀏覽器中进行，确保您的照片保持私密。

使用方法

上傳JPG影像
拖放您的JPG檔案或點選从设备中選擇影像。
排列和配置
通过拖动重新排序影像，選擇頁面大小和方向选项。
轉換并下載
點選轉換建立PDF并下載结果。

使用場景

照片相册

从假期照片或活动照片建立PDF相册，便于分享。

文件掃描

将手机拍摄的文件照片轉換为正式的PDF檔案。

作品集建立

将摄影作品或设计样本编译成专业的PDF作品集。

Practical guide

Why choose local processing?

JPG images can contain contracts, invoices, identity details, or internal business information, so keeping processing in the browser reduces exposure.
The website tool is free to use with no usage limits and does not require sign-in.
Local processing also keeps iteration fast: adjust options, preview the result, and export a clean PDF document without waiting for an upload queue.

Best files for this tool

Best for JPG, JPEG files that open correctly in a modern browser and are not intentionally damaged or restricted.
Works well for everyday business, school, legal, finance, and personal documents where you need a clean PDF document.
For very large files, close unused tabs and process one batch at a time so the browser has enough memory.

Common limitations

Encrypted or permission-restricted PDFs may need to be unlocked before processing.
Scanned pages, unusual fonts, complex layers, and damaged files can reduce accuracy or processing speed.
Browser memory and device performance matter more for local tools than for upload-based services.

Local processing vs upload-based tools

Local tools keep routine website processing on your device, while upload-based tools send files to a remote server.
Upload-based services can move heavy work off your computer, but they add transfer time and require trusting a server with your files.
Use the API when you intentionally need server-side automation; use the website when you want private manual processing.

What to do if processing fails

Try a smaller file, a shorter page range, or one file at a time if the browser runs out of memory.
If a PDF is encrypted, damaged, or restricted, unlock or repair it first and then retry the workflow.
If the output looks wrong, check whether the source file uses scans, complex transparency, form fields, or unsupported embedded objects.

API automation

Use API docs to plan automated PDF workflows. If this exact website workflow is not exposed as an endpoint yet, you can still use available PDF API tools and Credits for supported operations.

View API automation docs Create API Key

常見問題

可以轉換多少张影像？

您可以将最多100张JPG影像轉換成一个PDF文件。

影像品質会保留吗？

是的，影像以原始品質嵌入。您可以選擇壓縮它们以减小檔案大小。

可以为不同影像設定不同的頁面大小吗？

该工具对所有頁面应用统一的頁面大小。每张影像都会缩放以适应所选頁面大小，同时保持纵横比。