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box of A-PDF CHM to PDF

A-PDF CHM to PDF is a fast, affordable utility to allow you to batch convert Microsoft Compiled HTML Help (.CHM) into professional-quality documents in the PDF file format. Support Watch Folder (Windows Service) mode and Command line Mode to Convert CHM to PDF.

A-PDF CHM to PDF supports font embedding, adding watermark, security, page number and multi-language, header, footer;  supports convert CHM Table of content to PDF Bookmark.

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How it works

How does it work

See example (CHM) and example (PDF)


With A-PDF CHM to PDF, you can convert books, technical documentation and manuals in CHM format into PDF with header, footer, table of contents , chapter name, page number etc.

Easy to use

Converting Microsoft Compiled HTML Help (.CHM) into PDF files couldn't be easier.

Convert One File: Right-click a Microsoft Compiled HTML Help (.CHM) file and select "Convert to PDF" from the pop-up menu.

Convert a batch of Files: Simply drag the Microsoft Compiled HTML Help (.CHM) files you want to convert to the file list and click the "Convert to PDF and Save as" button. A-PDF CHM to PDF quickly re-creates your .chm file as fully-formatted PDF files.

Convert CHM Table of content

Convert CHM Table of content to PDF Bookmark.

key features

1. Intelligently extract CHM content from each chapter.

2. CHM Table of contents to PDF Bookmark.

3. Customerized Header and fooder.

4. Batch conversion; Command Line conversion; Hto DIR conversion.

5. CSS style support.

Convert and combine multiple CHM documents to single PDF

Convert amd Join (Merge, Combine) multiple Microsoft Compiled HTML Help (.CHM) documents into single PDF in one step.

Create PDF file to an N-up Layout

Create PDF file with simple N-up imposition and foldable booklet (4:1 2:3 ...) imposition.


You will be amazed at the results you get from the CHM to PDF Converter. It accurately retains the layout of the original chm file. It converts text in over 100 languages, and separates graphics from tables and text.

Work with Hot Directories

You can set up a monitored directory, where all Microsoft Compiled HTML Help (.CHM) files written to that directory will be converted to PDF as they are saved. All of the converting will be recorded in log files.

Save Time

  • Handles a batch of files at one time.
  • Context-sensitive menu (right click) supports one step converting.
  • Add watermark, properties, security and page number in one step.
  • Get the job done in seconds or minutes, not hours or days.
  • Support Command Line.

Save Money

A-PDF CHM to PDF is a standalone program costing only $39. It does NOT require Adobe Acrobat Pro, which costs hundreds of dollars.

A-PDF to CHM to PDF Command Line

A-PDF to CHM to PDF Command line (chmtopdf.exe) can be used as a Windows console utility that silent convert Microsoft Compiled HTML Help (.CHM) to the PDF file .


CHMToPDF.exe <input CHM file> <output pdf file>

Return code:
1: None
2: Input file does not exist.
3: Output file path not exists.
5: Source file is not CHM file (.chm).
6: Output file name error.
8: Convert successfully.
9: Convert Failed.
10: Error because another A-PDF CHM to PDF is running. An example:
CHMToPDF "c:\help.chm " "c:\output\ help.pdf"

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See also

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Current version 2.9.0


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- Windows NT4/2000/XP/Vista/7

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