Convert CHM to PDB
Online & free tool to convert CHM files to PDB


1) Input file

Choose source file(s) to convert:

0 of 5 files added (up to 300 MiB combined)

2) Output format

Select a target format to convert to:

3) Convert

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1) File URL

Choose file URL to convert:


2) Output format

Select a target format to convert to:

3) Convert

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1) Cloud Service

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2) Output format

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3) Convert

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CHM The CHM file format and its associated .chm filename extension, is a proprietary file format developed by Microsoft. Its full name is compiled HTML Help. CHM was released to the public in 1997 as a bundle with Microsoft Windows 98 and was primarily designed to facilitate documentation on the Windows platform, particularly help files for software applications that run on the Microsoft Windows platform. Essentially, a CHM file is a collection of HTML files packed as a single compressed file. Though the format is proprietary, it was successfully reverse engineered by the late 90's to early 2000s allowing the development of open source readers that are capable of opening files with the .chm extension. The format was succeeded by the LIT format.
PDB The .pdb filename extension refers to the program database file format authored by Microsoft. The format is used for storing debugging information about executable files and programming libraries or DLL files. The pdb format was designed to ease the debugging process of executables and program modules by decoupling the debugging information from the end of the program or class library itself to allow the integrated debugger and linker to access the pdb files directly. It doing so, the PDB format facilitates the stepping into/out of runtime libraries. The format and its internals remain the proprietary asset of Microsoft.

How to convert CHM to PDB

STEP 1

Select the document file in the CHM format to convert to the PDB format, you can select a file from your computer or your Google Drive or Dropbox account.                            

STEP 2

Choose the PDB format from the drop-down list as the output format, and click the Convert button, you can convert up to 5 files at the same time and a maximum size of up to 300 MiB.

STEP 3

Wait until your file is uploaded and converted into the PDB ebook format, you can download the converted file up to a maximum of 5 times, and can also delete the file from the Download page.