How to Convert CHM to PDF


The CHM file format is a file system based on HTML file features that Microsoft introduced in 1998 to replace the earlier WinHelp help system. In fact, CHM files are compressed HTML archives. Although more and more e-Books use PDF as their format, there are still many CHM e-Books.

However, many e-Books readers do not support the CHM format. When we come across the CHM format e-Books, we need to convert CHM to PDF. There are many free CHM to PDF converters on the Internet. Here, we will recommend some of the best CHM to PDF converters to you.

1. Zamzar

Zamzar is a free online file converter. It supports the conversion of picture files, text files, music files, movie files, and so on. It allows users to convert files without downloading software tools and supports more than 1,200 different conversion types. This online server uses an AES 256-bit SSL certificate to protect the security of your file.

Step 1. Go to the "CHM to PDF" tool of Zamzar.

Step 2. Click the "Add Files" button to upload the CHM file. Entering the link to the file you wish to convert is also supported.

Step 3. Select the "PDF" format as your output format.

Zamzar Select PDF Format

Step 4. Click "Convert Now" to convert your CHM file to PDF then click the "Download" button to download your file.

2. CloudConvert

CloudConvert is an online file converter. It supports the conversion of almost all audio, video, document, e-Books, archive, image, spreadsheet, or presentation formats. The file is only retained during processing and will be deleted after converting. CloudConvert does not provide any permanent storage. Instead, it integrates with your existing trusted storage system, such as Amazon S3 or any other service.

Step 1. Navigate to the CloudConvert website.

Step 2. Click the "Select File" to upload the file from your computer. Uploading the CHM file by pasting the URL or uploading it from your cloud accounts is also supported.

CloudConvert Select File

Step 3. Choose "PDF" as your output file format. You can also add more CHM files for batch conversion.

CloudConvert Choose PDF Format

Step 4. Hit the "Convert" button to convert the CHM file to PDF then click the "Download" button to download the file.

3. PDF Candy

PDF Candy provides users all over the world with absolutely free online and offline tools for working with PDF files. The software can split, delete pages, merge, crop, rotate, convert PDF, etc. All tools are very easy to use. You can always upload files from Dropbox, Google Drive, or you can drag and drop them directly into the file. Each tool can be added to "Favorites" for faster access from the index page of the PDF Candy website.

Step 1. Hit the "CHM to PDF" tool on the homepage. Then you can enter the conversion page.

PDF Candy Homepage CHM to PDF

Step 2. Add the CHM file to your browser by clicking the "Add file(s)" button or dragging and dropping the file to the uploading page. Alternatively, the files can be uploaded from Google Drive or Dropbox accounts.

Step 3. Waiting for a few seconds, you can save the processed PDF file on your device or upload it to Google Drive or Dropbox. You can also continue to edit the PDF file in this step directly.

4. Universal Document Converter

Universal Document Converter is an intuitive productivity solution that allows users to convert documents into PDF or image file formats for distribution. It can convert documents from the current format to one of eight different output formats, including popular options such as PDF, JPEG, DCX, BMP, PCX, GIF, and even high-quality TIFF and PNG image files.

Step 1. You need to install Universal Document Converter first and open the CHM file with the default CHM reader on the computer.

Step 2. Select the first topic in contents and click the "Print" button. Check "Print the selected heading and all subtopics" and click the "OK" button.

Universal Document Converter Print Print Topics

Step 3. Select "Universal Document Converter" and click "Preferences".

Universal Document Converter Print Select Printer

Step 4. Go to the "File Format". Select "PDF document" and then append all documents to the existing file. Finally, click the "OK" button.

Universal Document Converter Select File Format

Step 5. Click "Print" to start converting the CHM file to PDF.

5. Calibre

Calibre is a powerful and easy to use e-Book manager. It allows you to do nearly everything such as convert the file to PDF. It's also completely free and great for both casual users and computer experts. No matter what PC, laptop, or tablet you use, Caliber can meet all your needs. And if you're traveling and don't have your device with you - you can take Calibre on a USB stick and use it wherever you are.

Step 1. You need to download the corresponding version of Calibre according to your device.

Step 2. Open the Calibre software then click the "Add books" button to choose the CHM file that you need to convert. Click the "Open" button to upload the file.

Calibre Add books

Step 3. When the file is uploaded successfully, click the "Convert books" icon. Select the "PDF" format as your output format then click the "OK" button.

Calibre Select Output Format

Step 4. Waiting for a few seconds, you can save the PDF file to your computer.


We hope that with the tools we provided in this post, you can easily convert the CHM to PDF. If you want to read the PDF directly, you can use the Calibre, it not only can convert the file but also can read PDF directly. If you have a new idea for the tools, please contact us.

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