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it365 PDF Merger Tool

Free! Quickly merge multiple PDF files! No login, no registration, no server upload. Merge PDF files locally in your browser.
Select PDF Files
Click "Select Files" and choose PDF files in the dialog. Hold Ctrl + mouse click to select multiple files
File List Merge PDF Files

PDF Merger Tool Instructions

What software can merge PDF files for free?

In our work, we often need to merge multiple PDF files into one. There are many PDF merging tools on the market, but most are paid or have functional limitations. it365 PDF Merger Tool is a completely free online PDF merging tool that requires no download or installation and can be used directly in your browser.

Steps to use it365 PDF Merger Tool:

  1. Upload PDF files: Click the "Select Files" button or drag and drop PDF files into the upload area.
  2. Adjust file order: Use the buttons to adjust the merging order of the PDF files.
  3. Start merging: Click the "Merge PDF" button, and the system will automatically process the files.
  4. Download the result: After merging is complete, click the download button to save the merged PDF file.

Features of the PDF Merger Tool:

  • ✓ Completely free, no registration required
  • ✓ Supports batch merging of multiple PDF files
  • ✓ Maintains original file quality
  • ✓ Simple operation, one-click merging
  • ✓ Supports custom sorting function

How to combine multiple PDFs into one PDF file

Combining PDF files is a common office task, such as merging multiple report chapters, contract attachments, or study materials into a single document. With the it365 PDF Merger Tool, you can easily combine multiple PDF files.

Detailed combination steps:

1

Prepare PDF files

Ensure all PDF files to be combined are saved in an easily accessible location. It is recommended to rename the files according to the final merge order.

2

Batch upload files

You can select multiple PDF files to upload at once, or add files one by one. Drag-and-drop upload is supported for more convenient operation.

3

Adjust combination order

Use the drag-and-drop function to adjust the order of the PDF files to ensure the structure of the combined document meets your expectations.

4

Perform the combination

Click the "Merge PDF" button, and the system will combine the multiple PDF files into a single complete document in the set order.

How to merge two PDF files into one

Merging two PDF files is the most common PDF processing need. Whether it's merging the main body of a contract with its attachments or reintegrating a paginated document, the it365 PDF Merger Tool can do it quickly.

Specific steps for merging two files:

📁

Select the first PDF file

Click the upload button and select the PDF file that will be the beginning of the merged document. This file will appear in the first half of the merged document.

📄

Add the second PDF file

Continue to upload the second PDF file. If the order is incorrect, you can adjust the order of the two files by dragging and dropping.

⚙️

Confirm merge settings

Check the file list to confirm that the order of the two PDF files is correct. You can see the page count for each file.

🔄

Start the merge process

Click the "Merge PDF" button, and the system will seamlessly merge the two PDF files into one complete document.

⬇️

Download the merged result

After the merge is complete, the system will generate a new PDF file. Click the download button to save it locally.

Reasons to choose it365 PDF Merger Tool:

Secure and Reliable

Files are automatically deleted after processing to protect your privacy.

Efficient and Fast

Uses advanced algorithms for fast merging of even large files.

Quality Guaranteed

The merging process does not compress files, maintaining original clarity.

High Compatibility

Supports merging of various versions of PDF files.

⚙️ it365 PDF Merger Tool Feature Description

Feature Type Support Status Detailed Description
Text-based PDFs ✅ Supported Perfectly supports text-based PDF documents (non-scanned), including complex documents with mixed text and images, preserving original format and layout.
Scanned PDFs ✅ Supported Fully supports scanned PDF documents, including scanned books, files, and images converted to PDF, with no loss of image quality after merging.
Large PDF Files ✅ Supported Supports extra-large PDF files up to 2GB. Whether it's hundreds or thousands of pages, documents can be merged quickly with excellent processing speed.
Batch Merging of Multi-page PDFs ✅ Supported Supports PDFs with a large number of pages. Select and import multiple PDFs for merging at the same time, significantly improving work efficiency.
Chinese PDF Processing ✅ Supported Perfectly supports Chinese PDF documents. No garbled text issues after merging, preserving the integrity of Chinese fonts and formatting.
Local Offline Processing ✅ Supported 100% local browser processing (after loading the webpage). Files are not uploaded to the server, ensuring document privacy and security. Supports offline use.
PDF Processing on Mac ✅ Supported Supports use on Mac computers. Open your browser to use this PDF tool. PDF files can be processed on Mac/iOS as well.
Encrypted PDF Files ❌ Not Supported Password-protected encrypted PDF files are not currently supported. Please use a PDF decryption tool to remove the password protection before using this tool to merge PDF files.
Damaged PDF Files ❌ Not Supported Cannot process damaged or abnormally formatted PDF files. It is recommended to first repair the file with a PDF repair tool or obtain a complete PDF document again.

Quickly merge PDF files...

Free!
Simple, no login or registration, no data leakage, a tool made with integrity!
Lightning fast! Data is processed locally, no need to upload to a server or download from a server.
Tested with merging PDFs of 1000, 2000, and 3000 pages, which can be completed quickly.
Tested with merging several very large PDF files, which can also be done quickly.
Supports both scanned and text-based PDFs.
PDF merging supports Windows, MacOS, iPhone, Android, Linux...
After merging, the bookmarks of the first PDF will be retained.
Merging a 100MB PDF takes about 10 seconds.
No garbled text issues after merging Chinese PDFs; the merged PDF can be read normally.
After merging PDFs of invoices and itineraries, the pages are normal, and the original page width and fonts are retained.

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