Searching for "HTM to CHM download" typically leads you to tools that package individual web pages into a single, searchable file. While CHM is an older format, it remains a favorite for offline software documentation because it bundles images, text, and navigation (like a table of contents) into one lightweight file. Top Software for HTM to CHM Conversion
Convert HTML or Word to CHM without installation - Stack Overflow
If you need a reliable downloader or converter, here are the most common options available today: