How many PDF files can I merge at once?

There is no hard limit on the number of files. However, very large files may take longer to process depending on your device's memory.

Will merging reduce the quality of my PDFs?

No. The merge operation preserves the original quality of all pages. No recompression or quality loss occurs.

Are my files uploaded to a server?

No. All processing happens directly in your browser. Your files never leave your device.

Can I reorder pages before merging?

Yes. You can drag and drop files to change their order before merging them into a single PDF.

What is the maximum file size?

Files up to 100MB each are supported. The actual limit depends on your browser's available memory.

PDF結合

Combine multiple PDF documents into a single file quickly and easily. Drag and drop your PDF files, arrange them in your preferred order, and merge. All processing happens locally in your browser.

ファイルはローカルで処理され、サーバーにアップロードされることはありません。

使用例

Combining Business Reports

Merge monthly reports, financial statements, and appendices into a single comprehensive document.

Assembling Applications

Combine cover letters, resumes, transcripts, and certificates into one application PDF.

Creating Course Materials

Merge lecture slides, reading materials, and assignments into unified course packets.

Archiving Documents

Combine related documents into organized archive files for long-term storage.

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