支持Alpha透明通道的高清PNG转换引擎
特别适合企业Logo图标、工程设计蓝图及不希望出现白底遮挡的技术图表。
PNG直接嵌入PDF对象流中，杜绝二次压缩带来的杂色与噪点。
Easy Step-by-Step Instructions
- 上传单张或多张PNG图片。
- 检查页面排列顺序与方向设置。
- 点击“转换为PDF”即可立即保存。
100% Private In-Browser Execution Guarantee
MergePDFFilesFree processes files directly on your computer or phone using WebAssembly and client-side JavaScript. Your files are never uploaded to any remote server or stored in the cloud.
Frequently Asked Questions
Q.透明底色是否会被自动填充成白色？
不会。我们的引擎原生支持透明Alpha通道，完整保持通透视觉。
Explore Related In-Browser Tools
100% private, zero cloud uploads, and unlimited free processing
JPG to PDF
Convert JPG, JPEG, and WebP images into high-resolution PDF documents.
TXT to PDF
Convert plain text (.txt) files into clean, readable PDF documents.
Merge PDF
Combine multiple PDF files into one single document in your exact order.
Split PDF
Separate PDF pages, extract specific ranges, or split all pages into distinct files.
Rotate PDF
Rotate PDF pages permanently by 90, 180, or 270 degrees clockwise or counterclockwise.
Delete Pages
Remove unwanted pages from your PDF file and save a clean document.