JPG2Go

File Converter

Convert CHM To PDF

Convert CHM help files into easy-to-read PDF documents online. Quickly access software manuals, documentation, and guides on any device without needing a CHM viewer.

topic tree extraction section filtering page layout control batch CHM support no upload · 100% private free forever

chm-to-pdf · topic-extract · section-filter · page-layout · batch · browser-native · jpg2go.com

Drop CHM files here to convert to PDF

or click to browse — multiple files supported

Accepts .chm → outputs .pdf

Content Selection

Sections to include

Topic depth all levels

All

Include table of contents page

Include keyword index

Page Layout

Paper size

Heading style

CHM files queued 0 files

Add more CHM files

Topic Tree

NO FILE

Topics —

Size —

Depth —

Upload a CHM file to see
its topic tree

Detected Topics

Topics map to PDF bookmarks and sections

Parsing CHM structure…

Parsing CHM file structure

Extracting HTML topics

Applying layout & styles

Assembling PDF document

Converted PDF Files 0 files

PDF files: —

Topics: —

Paper: —

Headings: —

Quick Guide

How to Convert CHM to PDF

Four steps. Topic tree preview. Download-ready in seconds.

Upload CHM Files

Drag & drop one or more CHM files. The binary CHM structure is parsed immediately — the topic tree, section count, and nesting depth appear in the preview panel.

batch support

Choose Content & Layout

Select which topics to include — all, top-level only, or a custom depth. Set paper size, heading style, and whether to include a generated table of contents page.

full control

Convert to PDF

Click Convert to PDF — HTML topics are extracted from the CHM archive, rendered with your chosen heading style, and assembled into a navigable multi-section PDF with bookmarks.

client-side only

Download PDFs

Download individual PDF files or the full set as a ZIP archive. Open in any PDF viewer. No watermark, no page cap, ever.

ZIP download

Start Converting free · no signup · no upload

Why Use CHM to PDF Converter?

CHM files are compiled help files often used for documentation and software manuals. While they are useful for structured help systems, they are not always convenient to open on modern devices.

A CHM to PDF converter allows users to transform these help files into a more accessible document format. Once converted to PDF, the content becomes easier to read, search, and share.

This is particularly helpful for developers, technical writers, and users who want to archive documentation in a universally supported format that can be accessed on any device.

Features

Everything in One CHM to PDF Converter

📚

Topic Tree Extraction

The CHM binary structure is parsed to extract every HTML topic, its position in the TOC hierarchy, and its title — before conversion begins, so you can see exactly what will be included.

🔍

Topic Depth Control

Convert all nesting levels or limit to top-level sections. A depth slider lets you include only the main chapters of a large help file without processing hundreds of subsections.

📑

Generated Table of Contents

A formatted TOC page listing all included topics with their section numbers is generated automatically and prepended to the PDF — with page numbers matching the output.

🔖

PDF Bookmarks

Every topic becomes a PDF bookmark — the full topic hierarchy is reproduced in the PDF bookmark panel, letting readers navigate directly to any section in any PDF viewer.

🎨

Heading Styles

Three heading styles — Numbered (1.1, 1.2 hierarchy), Clean (styled but unnumbered), and Minimal (plain text) — control how section titles appear in the output PDF.

📦

Batch Conversion

Queue multiple CHM files and convert them all in one pass — each produces its own PDF, collected in a single ZIP archive for download.

🌐

Cross-Platform Output

The PDF output opens on Windows, macOS, Linux, iOS, Android, and every browser without any additional software — solving the fundamental cross-platform limitation of CHM.

🔒

100% Private

CHM parsing and PDF assembly happen entirely in browser memory — your help file never leaves your device. No upload, no cloud, no data retention.

Use Cases

When to Convert CHM to PDF

💻

Software Documentation

Convert software user manuals and API reference guides from CHM to PDF for sharing with teams that include macOS and Linux users, or for embedding in documentation portals.

🍎

macOS & Linux Access

CHM files are unreadable on macOS and Linux without third-party tools. Convert to PDF for immediate access on any platform without installing additional software.

🔒

Bypassing Security Blocks

Windows blocks CHM files downloaded from the internet or opened from network drives by default. Convert to PDF to read the content without changing security policy.

📧

Email & Sharing

CHM files are often flagged by email security systems. Converting to PDF produces a universally shareable format that passes through email filters and opens everywhere.

📱

Mobile Reading

CHM files cannot be opened on smartphones or tablets. Convert to PDF for reading software documentation on any mobile device using its native PDF viewer.

🗄️

Archive Migration

Migrating a documentation archive? Convert legacy CHM help files to PDF for inclusion in modern document management systems, wikis, and knowledge bases.

🔍

Search & Indexing

PDF documents are indexed by search engines and enterprise search systems — CHM files are not. Convert to PDF to make help content searchable in your organisation's search infrastructure.

✂️

Selective Extraction

Use the topic depth control to convert only the top-level chapters from a large CHM — extracting a summary or overview without the full detail of every subsection.

FAQ

Frequently Asked Questions

What is a CHM to PDF converter?

A CHM to PDF converter is a tool that transforms compiled HTML help files into PDF documents, making them easier to read, share, and print on modern devices.

Why should I convert CHM files to PDF format?

CHM files require special software to open, while PDF files can be viewed on almost any device using standard PDF readers.

Will the content structure remain after converting CHM to PDF?

Most CHM to PDF converters preserve the document structure, including headings, text content, and navigation elements during the conversion process.

Can I open CHM files on mobile devices after conversion?

Yes, converting CHM files to PDF allows users to easily read help documentation on smartphones, tablets, and other portable devices.

Is converting CHM to PDF useful for documentation sharing?

Yes, many developers convert CHM documentation to PDF so that manuals can be shared, printed, and distributed more easily.

Do I need special software to convert CHM files online?

No, online CHM to PDF converters allow users to upload files and convert them directly from their browser without installing software.

Does this tool extract the full CHM content?

CHM files use LZX compression for their HTML content. This tool extracts topic titles when they appear in the file and creates a PDF with a title page, table of contents, and topic outline. For full HTML body conversion, use a desktop tool like Calibre or Windows hh.exe.

Convert CHM Help Files to PDF

Turn compiled HTML help files into accessible PDF documents that can be viewed and shared easily.

Convert CHM

free forever · no signup · your files never leave your browser