When screen recordings, meeting videos, or interview footage only require the audio, removing the visuals one by one with editing software is highly inefficient. Using the video tool of HeSoft Doc Batch Tool , you can batch remove the image content from videos and retain only the audio. This article expands on applicable scenarios, before-and-after effects, software operation steps, and considerations, helping users understand how to uniformly process multiple MP4 videos into a playable state without visuals, suitable for office archiving, privacy protection, and data organization.
Many people save video files not to watch the visuals, but to keep the audio. For example, speech in a meeting recording, narration in online training, Q&A in an interview video, or ambient sound or voiceover in stock footage. At this point, the visuals may no longer be important, and may even be unsuitable to retain due to the people involved, the location, or the screen content. If there are many videos, opening each one in software to delete the visuals can be very tedious.
This article introduces a more suitable method for office workers: using " HeSoft Doc Batch Tool " to batch remove images from videos and keep only the audio. It is an office software centered on batch file processing, with an interface containing various tool categories like documents, images, videos, and audio, suitable for handling large volumes of repetitive file tasks. This article will not cover complex editing but focuses on one clear goal: uniformly removing the visuals from multiple MP4 videos so they no longer display the original image during playback, while the audio remains usable.
If you are organizing a batch of .mp4 files and want to turn them into "audio-only, no-visuals" material files, you can follow the procedure below.
Applicable Scenarios: When Video Visuals Are Unnecessary, But Audio Must Be Preserved
In office scenarios, "keeping only the audio" typically involves three types of needs. The first is material organization, such as organizing meeting recordings into subsequent dictation materials where saving the visuals is unnecessary. The second is privacy protection, such as in interviews, training, or internal discussion videos where people's portraits, screen information, or office environments appear, requiring the visuals to be removed to reduce distribution risks. The third is material reuse, where elements like commentary, background audio, or live sound from a video can continue to be used, but the original visuals are unsuitable for a new project.
If there is only one file, any video editing tool can handle it slowly. But when there are many videos in a folder, batch capability becomes very important. The value of HeSoft Doc Batch Tool lies in organizing "select multiple files — unified settings — centralized processing" into a fixed workflow, saving users from repeatedly performing the same actions. This is what distinguishes office software from professional editing software: it does not pursue complex creation but focuses more on reducing repetitive labor.
The files in the examples in this article are all MP4s, such as Video test 22.mp4, Video test 23.mp4, Video test 24.mp4, etc. In practice, any video type that the software function supports importing and processing can be handled using the same approach; however, before formal batch processing, it is recommended to first test with a small number of samples to confirm that the output effect meets your expectations.
Effect Preview: What Changes Before and After Batch Processing
Before processing, video files show clear thumbnails in the folder. In the example screenshots, each video has a different visible image: one shows golden confetti, another an animal, a sunset, a swan, a building, and a seaside view. When one of the videos is opened, the player displays the complete visual. This means the original file contains both video imagery and audio.
For office materials where visuals need to be hidden, this original state is not ideal. Even if the video is only sent to a colleague to listen to the audio, the other party can still see the original visual content. If the visuals contain sensitive information, this could pose an unnecessary risk.
After processing, the file thumbnails become a black image. When the video is opened in a player, the display area also shows a black screen, while the playback time, progress bar, and audio-related controls are still visible at the bottom. In other words, the key change after processing is: the original image is no longer visible, the file can still be played, and the audio content is preserved.
This effect is highly suitable for needs where "the video format must be retained, but the visuals should not be displayed." For instance, if a system requires uploading MP4 files and you do not want the visuals to be leaked, you can first batch delete the images, then upload or archive.
Operation Steps: Enter the Image Deletion Function from Video Tools
Below is a step-by-step explanation based on the software screenshots. The entire process can be understood as four actions: finding the function, importing files, confirming the list, and proceeding to subsequent processing.
- Enter HeSoft Doc Batch Tool . After opening the software, the upper-left corner shows " HeSoft Doc Batch Tool ", and the version number is also visible at the top. On the left is the tool category navigation, including Word Tools, Excel Tools, PowerPoint Tools, PDF Tools, Text Tools, Image Tools, Video Tools, Audio Tools, etc. Since the target for this processing is video, click "Video Tools" on the left.
- Select "Delete Video Image" in Video Tools. After entering Video Tools, the function area on the right displays multiple functions in card format. The screenshots show options like "Separate Video and Audio", "Delete Video Sound", and "Delete Video Image". Be careful not to choose incorrectly: if "Delete Video Sound" is selected, the result will retain the visuals but have no audio; this article requires removing the visuals, so select "Delete Video Image". The function description is "Batch delete images from videos, keeping only the audio".
- Enter the function page and import the videos to process. After opening "Delete Video Image", the top of the page shows "Add Files" and "Import Files from Folder" buttons. The former is suitable for selecting a few files from different locations, while the latter is suitable for importing all videos from a specific folder at once. If your MP4 videos are already stored centrally in one folder, using "Import Files from Folder" is recommended, as it aligns better with the batch processing approach.
- Check the import results. After importing, the table lists the records to be processed. The screenshot shows 6 records, each with information like serial number, name, path, extension, creation date, and modification date. The most important thing here is to confirm the names and paths are correct, to avoid adding unrelated videos to the task. Office files often have similar names, such as Video test 22.mp4 and Video test 23.mp4, which can be confusing if only looking at file names; checking the path is more reliable.
- Use delete, filter, and sort to help organize the list. If a file is found to be unneeded, click the delete icon in the operation bar on the right side of that row to remove it from the list. Above the list are also "Filter" and "Sort" buttons, suitable for quickly screening and checking when there are many records. For example, you can first check if the numbers are sequential by name order, or use filtering to confirm the extensions meet expectations.
- Click "Next" to set the save location. There is a "Next" button at the bottom of the page, and the progress flow at the top indicates that the current step is Step 1 "Select records to be processed", followed by "Set save location" and "Start processing". After confirming the list is correct, click "Next". In the save location setting step, it is recommended to choose a new output directory to store the processed videos without visuals. This keeps the original videos and processed files separate, making subsequent comparison more convenient.
- Start processing and wait for completion. After setting the save location, continue following the software flow to enter "Start processing". Once the batch task starts, the software will perform the image deletion operation on the multiple videos in the list. Compared to editing one by one, this step can save a significant amount of repetitive operation time, especially suitable for processing an entire project folder at once.
- Conduct spot checks after completion. After processing is complete, open the output folder and randomly play a few result files. Under normal circumstances, the player display should no longer show the original image but present a black screen or no-image state; the audio should play normally. After confirming there are no issues, use the results for archiving, sending, uploading, or further organization.
Frequently Asked Questions and Precautions
Do not confuse "Delete Image" with "Delete Sound". In the Video Tools page, these two functions appear adjacent but have opposite effects. "Delete Video Sound" is for keeping visuals and removing audio; "Delete Video Image" is for removing visuals and keeping audio. Be sure to read the function name and description carefully before selecting.
Post-processing files are not equivalent to audio format conversion. The example files after processing still appear in .mp4 format and are still played as video files by the player, just without the original visuals. If your goal is to generate .mp3, .aac, or other audio files, you need to use the corresponding other functions. The method in this article is more suitable for scenarios where the file must remain in video format but cannot display visuals.
Recommend using a new folder to save the output results. The biggest fear in batch processing is accidentally overwriting original files. For safety, it is recommended to create separate folders like "Processed", "No-Image Results", or "Audio-Only Version" and save the output files there. After confirming the audio is complete and the file count is correct, decide whether to delete the original videos.
Conduct a small sample test before large-scale batch processing. Videos from different sources may have different encodings. Although the software provides a batch function, before processing a large number of files, it is best to first select 1 to 3 videos for a trial run to confirm the playback effect, audio quality, and duration meet requirements before importing all files.
Pay attention to file naming and archiving rules. If the processed files retain the original file names, it is recommended to use folders to distinguish the original version from the image-removed version; if they need to be sent to others, you can note "Visuals removed, audio only" in the folder name or description to prevent users from mistakenly thinking the video is corrupted.
Summary: Making Batch Video Image Removal a Standard Office Workflow
When you need only the audio from multiple videos and not the visuals, the least recommended method is editing them one by one. It is time-consuming, repetitive, error-prone, and not suitable for typical office workers. Using HeSoft Doc Batch Tool , you can turn this need into a clear, standard workflow: enter Video Tools, select "Delete Video Image", batch-add MP4 videos via "Add Files" or "Import Files from Folder", verify the list, click "Next", set the save location, and start processing.
The advantages of this method are that it is batch-capable, intuitive, and verifiable. It does not require you to master complex video editing knowledge, nor does it require repeatedly importing and exporting individual files. For archiving meeting materials, course recordings, interview footage, and internal videos, batch removing images and keeping only audio can significantly improve efficiency. It is recommended that you prepare the original video folder and output folder first, then follow the steps in this article to complete the batch processing more reliably.