Support Center

Welcome to CHM Editor

CHM Editor is a powerful tool designed for effortless editing and translation of Compiled HTML Help (.chm) files. Whether you are localizing documentation or creating new help files from scratch, CHM Editor provides a visual environment that requires no HTML knowledge.

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No Decompilation

Edit and save CHM files directly without downloading additional tools.

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Visual Translation

Translate content into 50+ languages while preserving structure and tags.

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Format Conversion

Convert your help files to PDF, DOC, or HTML with just a few clicks.

Main Interface Breakdown

left part: Navigation

The left pane displays the **Table of Contents**. Clicking any entry immediately opens the associated topic in the right-side editor.

Right part: Editor Tabs

  • HTML Editor: A visual editing environment where most authoring happens.
  • Source Code: Access the raw HTML tags for fine-tuning your topics.

Localizing Your Files

CHM Editor simplifies the complex task of document localization. The translation is performed while preserving all HTML tags and the document’s original structure.

  1. Select the text you want to translate (or stay on the page for full translation).
  2. Choose your target language from the dropdown menu.
  3. Press the "Translate" button.
Translation Interface
Professional translators can use CHM Editor to handle help files as standard documents, avoiding the need to learn HTML.

Creating a New Project

Starting a new help project is easy with our built-in templates. You can choose from several professional designs:

Blue Template
Green Template
Orange Template
New Project

When creating a new file, you will be prompted to enter the following project parameters:

  • Project and File Name
  • Save location on your PC
  • Default language
  • Company Name & Website
Generate CHM Settings

Managing Topics

Adding content to your project is straightforward. You can create topics that are linked to files or purely structural entries.

1. Click the + button in the navigation toolbar:

Add Topic Button

2. Define your topic parameters in the dialog window:

Topic Dialog
  • Create with new file: Adds a new HTML page to your project.
  • Without a file: Creates a structural heading in the TOC.
  • Existing file: Links an existing HTML file from your system.

Setting the Default Topic

The default topic is the first thing users see when they open your help file.

Option A: Check the "Set as default" box during topic creation. Default on Creation
Option B: Right-click any topic in the tree and select "Set as Default". Default context menu

Interface Settings

You can change the language of the CHM Editor interface to suit your preferences.

Go to ToolsOptions:

Options Menu

Select your preferred language from the list:

Language Selection
You must restart CHM Editor for the UI language changes to take effect.

Indexing Your Help File

A well-structured index is crucial for professional documentation. CHM Editor can automate this process.

1. Navigate to ToolsGenerate Index:

Generate Index

2. Configure the Generator settings:

Generator Window

You can automatically pick topic titles as keywords and choose to update an existing index file or create a fresh one.

3. Fine-tune your keywords in the Index Tab:

Index Tab

Use the management buttons to manually add or edit keywords.

Keyword Buttons Keyword Editor

Get the Full Version

Unlock the complete power of CHM Editor and support the ongoing development of the tool.

Member Area Access
Get the latest releases and updates instantly.
Professional Identity
Display your name and company on the startup screen.
Priority Support
Receive free, fast technical assistance via email.
Free Updates
One year of free major and minor version updates.

How to Activate

After your purchase, check your email for the activation details and follow these steps:

1
Launch CHM Editor and enter your key in the activation prompt.
Activation Prompt
2
Your license info will be displayed in the Members Area.
Registration Info
If you haven't received your activation email, please check your SPAM folder or contact support@gridinsoft.com.

System Requirements

OS Support
Windows XP, 7, 8, 10, 11 (32/64-bit)
RAM
512 MB Minimum
Disk Space
30 MB Free HDD Space

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