During project delivery, data archiving, and knowledge base construction, it is often necessary to unify web page files into the .html format. However, actual folders may contain files with mixed extensions such as .mhtml, .htm, and .html, making manual processing inefficient and error-prone. This article focuses on the need to standardize web page file extensions in batches and introduces the complete process of HTML-to-HTML conversion using HeSoft Doc Batch Tool , including before-and-after effects, file import, list confirmation, save location settings, and precautions, helping users quickly complete web page file standardization.
In enterprise office and project materials management, unifying file formats is a seemingly simple but very time-consuming task. Taking web page files as an example, the same material package may contain .mhtml, .htm, and .html files simultaneously. They are all related to web content, but when you need to submit materials to clients, upload them to systems, create archived directories, or hand them over to colleagues for further processing, inconsistent extensions can lead to chaotic file management.
This article will address a specific problem: how to batch convert various formats of HTML web page files into the html format. The software used here is HeSoft Doc Batch Tool , a tool software focused on batch processing of office files, suitable for centrally completing a large number of repetitive file organizing, format conversion, and document processing tasks. Through the "HTML to HTML" function, web-related files like mhtml, htm, and html can be batch-output as unified .html files.
Applicable Scenarios: Which Work Tasks Require Batch Standardization of Web Files
Unifying web file formats occurs in many office scenarios. For example, when administrative or document management staff organize historical materials, they need to uniformly archive web page saved files from different sources; when content operations staff organize web materials, they need to unify htm and mhtml files in the material library into html for easier subsequent retrieval; when project teams deliver web descriptions, help documents, or page samples, they hope all files appear standardized and consistent; during system migrations, page file extensions exported from old systems are not uniform and require batch standardization first.
These scenarios typically have two characteristics: a large number of files and repetitive processing rules. Manual processing one by one is not only slow but also produces inconsistent results. For example, some people only change the extension, some save as new files, and some miss files in subfolders. Using batch office software can fix the rules and process multiple files according to the same workflow, thereby reducing human-induced differences.
For teams that need to maintain file standards long-term, batch converting to html is not just a one-time operation but a standardized processing method. Each time mixed-format web files are received, they can be imported, converted, and verified following the same steps, forming a stable workflow.
Effect Preview: Mixed Files Before Processing, Unified as html After
A screenshot before processing shows that there are 4 web files in the current folder, but the extensions are not uniform. The first file is 1.mhtml, the second and third files are 2.htm and 3.htm, and the fourth file is 4.html. Although they all display browser icons, from a file management perspective, the format is not neat.

After batch conversion, the 4 files in the folder all become .html: 1.html, 2.html, 3.html, 4.html. This way, whether filtering by extension, submitting to a system, or packaging and delivering as project materials, it is much clearer.

This effect preview illustrates that the goal of batch conversion is very clear: unify various HTML-related web files into standard html files. For office users, the biggest benefit is not having to manually process each one and not needing to repeatedly check if the extensions are correctly changed.
Operation Steps: From Selecting the Function to Batch Generating html Files
Below, following the operation path in the software screenshots, we explain how to complete batch conversion. Since the screenshots already show key interfaces, this article will focus on explaining the operational purpose and expected results of each step, helping first-time users quickly understand the process.
Step 1: Open the HTML to HTML Function in Text Tools
After launching HeSoft Doc Batch Tool , find "Text Tools" in the left navigation. The software's main interface will list various functions related to text and web page files. You can see function cards like "Text to HTML Webpage," "HTML to TXT," "HTML to Word," "HTML to PDF," "HTML to Markdown."
This task is not about converting HTML to Word, PDF, or TXT, but to unify web page files with different extensions into html, so you need to click "HTML to HTML." In the screenshot, this function card is highlighted and selected, with the function description being batch converting HTML files to the HTML file format.

After completing this step, the software will enter the corresponding batch processing page. Selecting the function is the starting point of the entire process; choosing the right function can avoid subsequent output in the wrong format.
Step 2: Add Pending Web Files to the Task List
After entering the "HTML to HTML" page, you can see the function title at the top of the interface. The upper right area provides "Add File" and "Import Files from Folder." If you have already placed the web files that need processing in the same folder, it is recommended to choose "Import Files from Folder," which allows importing multiple files at once, better aligning with the efficiency goal of batch processing. If files are scattered in different locations, you can also select the files needing processing via "Add File."
The example list in the screenshot has already imported 4 records. The table columns include Sequence Number, Name, Path, Extension, Creation Time, Modification Time, and Actions. Through these columns, users can confirm the source and type of each file. For example, 1.mhtml's path is D:\test\1.mhtml, 2.htm and 3.htm are also located in the same test directory, and 4.html already has an html extension.

The expected result of this step is that all files to be converted appear in the list, and the summary record count at the bottom matches the actual number of files. The screenshot shows a record count of 4, indicating that 4 web page files will be batch processed this time.
Step 3: Review Extensions and File Paths
Reviewing before batch processing is very critical. Since the tool executes tasks based on the list in batch, if the list contains files that do not need conversion, it may produce unnecessary results after processing. Therefore, it is recommended to focus on the "Name," "Path," and "Extension" columns.
In the example, the extension column shows mhtml, htm, htm, html respectively, corresponding precisely to the mixed web files in the pre-processing folder. The paths are all located in the D:\test directory, indicating consistent file sources for easier subsequent management. If an incorrectly imported file is found, you can use the delete icon in the actions column of each row to remove it; if there are many files, you can also use the "filter" and "sort" entry points on the interface to assist in screening and checking.
After confirming the list is correct, click "Next" at the bottom. This step advances the task to the save location setting stage.
Step 4: Set Output Directory to Avoid Confusion with Original Files
The interface flow clearly shows that batch conversion is divided into three stages: "Select records to process," "Set save location," and "Start processing." After entering the second stage, you need to specify where to save the converted html files. To easily compare the effects before and after processing, it is recommended not to mix the results directly with the original files but to choose a separate output directory.
For example, you can create a Post-Conversion-html folder under the project folder, or establish an output directory by date. The advantage of doing this is: the original files are retained, the conversion results are stored centrally, making subsequent checks and deliveries more convenient.
Step 5: Start Processing and Check the Conversion Results
After the save location is set, proceed to enter the "Start processing" stage. The software will batch convert files according to the task list, uniformly outputting different HTML-related formats as .html. Once processing is complete, open the output directory for inspection.
Inspection can focus on two aspects: first, whether the quantity is consistent, for example, 4 files were imported this time, the output should also correspond to 4 html files; second, whether the file names and extensions meet expectations, for example, 1.mhtml corresponds to 1.html after processing, 2.htm corresponds to 2.html, 3.htm corresponds to 3.html, and 4.html remains as 4.html. If necessary, open a few result files to confirm the content displays normally.
Frequently Asked Questions and Precautions
1. Why do files that are already html appear in the list? When batch standardizing files, the folder may contain mhtml, htm, as well as files originally in html. Importing them together allows the same batch of materials to be output via a uniform process, ensuring consistent extensions for files in the final directory.
2. Is directly changing the extension acceptable? For a small number of files, manually modifying the extension seems quick, but it is not suitable for a large number of files and is not conducive to process review. Using batch processing tools allows you to see the file path, extension, and record count in the list, which is more suitable for formal office material processing.
3. How to reduce risk when the number of files is very large? It is recommended to first test the conversion effect with a small sample. After confirming the output meets requirements, then batch import all files. Retaining the original files before processing and spot-checking the results afterwards is a safer approach.
4. What should be noted when importing a folder? If unrelated files are mixed in the folder, the list should be carefully checked after import, and irrelevant records should be deleted if necessary. The filter and sort entry points in the screenshot can assist in managing a large number of records, but it is ultimately recommended that users confirm the file scope before starting processing.
5. How to name the output directory more appropriately? It is recommended to use a name that reflects the task content, such as HTML Unified Output, Web Files-html Results, Project Name-html After Conversion. A clear directory name can reduce subsequent search costs and make it easier for team members to understand the file source.
Summary: Batch Conversion Makes Web File Standardization More Efficient
Unified conversion of different web files such as mhtml, htm, and html into .html is a very common requirement in file organizing, material archiving, and project delivery. HeSoft Doc Batch Tool breaks down this requirement into clear steps through the "HTML to HTML" function: select function, import files, confirm list, set save location, start processing. The entire process is suitable for batch files, eliminating the need for users to repeatedly perform the same operation.
If you are currently facing chaotic web material extensions, you can immediately follow the process in this article: first, enter Text Tools and select "HTML to HTML," then add files or import files from folder, confirm the records, set the output directory, and start processing. This allows you to quickly obtain unified html files, reducing repetitive labor and making office file management more standardized and efficient.