MPEG(.mpg/.mpeg) is an older, traditional video format that is often used on compact discs, older devices, or older systems. In some special cases, we need to convert MP4 video into MPEG format. To convert MP4 to MPEG, you can use HeSoft Doc Batch Tool It can convert many MP4 videos into MPEG format in batch at one time, which saves time and supports other different video formats to be converted into MPEG.

3GP(.3gp) is an early mobile phone video format, mainly designed for 3G mobile phones, with small size and low equipment requirements. If we want to convert MP4, MOV, AVI and other video files into 3GP format in batch, use HeSoft Doc Batch Tool , 2 steps can be quickly converted, very simple. We only need to select the video to convert to 3GP format, import all video files, and the automatic conversion can be completed with one click.

For example, lawyers send draft contracts to clients, teachers send undisclosed test papers to students, HR sends payroll, and designers hand in source documents for design drafts. For example, if you want to email a business plan or financial report to a client or colleague, what if you are worried that the file will be seen by others? In fact, adding an open password to the PDF can solve these problems. However, if there are too many files, it will take too much time to open, set passwords and save them one by one, and you have to worry about whether the tools used will reveal the contents of the files.

Many people in the workplace have a pile of old version. xls format Excel files in their hands, and use the new version of WPS to open the prompt "compatibility mode". The formula is inexplicably invalid. Uploaded to the company's collaboration platform, colleagues said it could not be opened. Even copied to the mobile phone, typesetting is all messed up. Converting Excel into Xlsx format can solve these compatibility problems at one time, and can also support larger data volume and more advanced functions. Whether it is financial statements, administrative summary data, or teacher statistical results, it can be used. It is the basic operation to improve office efficiency.

Have you been worrying about organizing PowerPoint files in batches recently? I have carefully made a number of teaching files or product demonstrations, and want to convert them into a common MP4 video format to send to mobile devices such as mobile phones for easy preview and playback, but we can only export them manually one by one, wasting time and energy. So how can we save these tedious manual operation steps and convert these slides to MP4 format in the fastest time! Here, let's talk about how to change multiple PPT files into MP4 videos in one key batch, bid farewell to repetitive work directly, and make your presentation files move flexibly!

Wow! Did we also encounter page fights when sorting out PDF? It may be that you are going to combine multiple project reports into one copy, or you are going to combine and print e-books of different chapters, and then you find that some files end with odd pages, some start with even pages, and then the double-sided printing will always be staggered after merging, the page order is all out of order during binding, or you are scanning a stack of double-sided data, and finally you find that all even pages are mixed into blank pages? Don't be afraid! Today, I will talk to you about how to clean up odd or even pages in PDF with one click, so that PDF will become regular and fresh immediately!

In daily work, we often have to deal with a large number of PDF files. If we need to delete a page or a few pages of content in PDF, we can use HeSoft Doc Batch Tool to delete. This tool can delete single or multiple pages in PDF at one time, accurately remove redundant pages in files, and process hundreds of PDF in batches. We don't need to open files one by one, and delete them automatically with one key, thus greatly improving work efficiency.

in actual work, batch delete the last few pages in PDF files, is a very common requirement. If we have dozens or hundreds of PDF to delete the last few pages in batch, we can use HeSoft Doc Batch Tool . Just import the PDF to be processed and set the page range or quantity to be deleted, and you can clean up all the redundant pages of the PDF with one click, which is very time-saving and labor-saving. Try it quickly if you need it!

After converting PPT slides into MP4 video, it is more convenient to view and spread, and there will be no problems such as font loss, animation failure, version incompatibility, etc. If we have a lot of PPT to batch convert into MP4 video, we can use it. HeSoft Doc Batch Tool To one-click conversion, the operation is very simple, just select PPT to convert to MP4 video, and then import all files, you can automatically convert to complete, give it a try!

Although video in other formats such as MP4 is now widely used, the use of the fully open OGV format is more flexible and compliant when it needs to support requirements such as open source players or embedded web pages. If we have a large number of video files from different sources or in various formats, we need to convert these files into OGV format to adapt to the scenes of open source ecosystem or specific web applications. If we only rely on traditional video editing tools to export and convert one by one, the whole process will not only consume a lot of time and experience, but also it is difficult to ensure the consistency of output parameters, thus affecting the delivery quality of the final content.

Have you had a headache about password protection for Excel worksheets recently? For example, I received a bunch of forms with passwords, or I set up protection for important data before. Now I need to sort out and analyze them in batches, but I have to enter passwords one by one to open them. This is simply too inefficient! Don't worry, today we'll talk about how to quickly cancel the passwords in these Excel forms in batches, so that the Excel files in your hand can be completely light and accessible at any time!

Do you often encounter such troubles: colleagues send a bunch of Excel files, and the system only recognizes CSV format; Want to import sales data into the database, but stuck in the format conversion step; Or just want to simply share the form data, the other party didn't install Office can't open it? Every time to open the form, click Save As, the file name has to be changed one by one, trouble not to say it is easy to make mistakes. Don't worry, today I'll introduce you to some conversion artifacts, so that you can completely bid farewell to this repetitive mechanical labor and experience the fast feeling of converting Excel into CSV format in batches.

When sorting out the audio resource library, it is usually necessary to convert audio materials from different sources into WAV format in batch as the starting point of the standard. MP3 and M4A audio files, or audio materials in other formats, are mixed together. Not only should compatibility be considered in the scene of unified editing and processing, but also the sound quality of each audio should be ensured to meet the standard, when we edit and use these audio, the quality between different compression formats often leads to uneven final results. In the face of this situation, the conversion of various compressed audio to WAV format is the foundation. WAV can completely retain every detail of audio data and ensure that no additional quality loss will be introduced in equalization, noise reduction, reverberation and other processing.

When we use MP3, M4A, AAC and other audio files stored in the computer, we may have playback compatibility problems due to different formats, which is very inconvenient in the scene of sorting and multi-platform sharing. If we need to call these audio resources in specific devices or environments, the differences between formats will often become the key to the problem. In this case, we can batch convert all kinds of audio to WMA(Windows Media Audio) format with very strong compatibility. WMA, as an audio format supported by Windows natively, has excellent compression effect while maintaining good sound quality, and can take into account file size and compatibility.

MOV files exported by cameras, MP4 short videos shot by mobile phones, or videos in various formats exported by other devices have different sources and different encodings. These materials are piled up together, resulting in various compatibility problems during subsequent media file processing. Faced with this situation, converting it into a widely used TS format can fundamentally solve the problem. TS transport stream is a container format, which is bred to adapt to high-reliability video transmission and multiplexing scenarios. It has excellent error recovery capability and streaming transmission characteristics, and can encapsulate multiple tracks such as video and audio, become the preferred format for digital TV broadcasting and live streaming.

we have organized the data report, in order to prevent others from mistakenly changing the contents, we need to protect the worksheet, lock all cells, and prohibit editing and modification. There are several ways to encrypt Excel tables: HeSoft Doc Batch Tool , Excel's protected document function, Google Sheets permission settings. Here's a detailed description of the advantages and disadvantages of each method and the specific steps.

Have you ever been made into hundreds of disorganized folders in your computer? Project version iteration requires you to manually add date suffixes to "Project A_v1", "Project A_v2"... or just want to add suffixes to a bunch of data folders in batches for quick classification and identification. Manual operation is not only time-consuming and laborious, but also prone to error. How to unify the prefix and suffix when there are too many folders? This seemingly trivial matter often becomes an invisible killer that slows down the pace of work. Today, we will focus on this high-frequency but often overlooked pain point-adding suffixes to folder names to see how to realize second-level, accurate and batch folder naming management through an efficient tool.

When managing a computer's mountain of audio files, is there a way to turn them all into a small, high-quality OPUS common format? OPUS is a lossy audio compression format that, as an open format, is suitable for low-latency instant sound transmission over the network. In the process of audio processing, we may accumulate a large number of audio from different sources and formats, which may be MP3 format conference recording, M4A format music files, and some audio formats that we don't know how to function. These files with different formats and sizes are piled together, which not only takes up valuable storage space, but also has a lot of trouble in unified processing, uploading or sharing, if we convert it into OPUS format, we also need to convert one by one, which is very boring.

MP3 format recording, M4A format album, WAV format material, although these audio files in different formats have their own value, they are difficult to process and operate in a unified way. Their dispersion not only causes waste of storage space, but also forms obstacles in actual function, such as when audio needs to be migrated to a new platform or content needs to be uniformly produced online, between different formats need frequent conversion, consuming our precious time. In response to this common problem, we can batch convert MP3, M4A and other common audio formats into open and efficient OGG formats. OGG has excellent compression ratio and open source features, which can significantly reduce file size while maintaining sound quality clarity.

FLAC format, as a lossless audio file, can perfectly restore the original audio data and also provide efficient compression. The audio files we process are generally MP3, M4A and other formats. Although this lossy compression format is convenient for daily transmission and playback, FALC format is already the best choice for processing, analysis or archiving scenes with higher requirements on sound quality. When we have a large number of MP3, M4A and WAV audio files such as song library, recording files or sound effect materials that need to be converted into FLAC lossless format, the traditional conversion method usually converts one file after another, thus it is difficult to ensure the integrity and quality unity of the final file.

MP3 is currently the most widely used and best compatible audio format, so we often need to convert AAC, WAV, FLAC and other audio formats into MP3. To convert many different formats of audio to MP3, you can use HeSoft Doc Batch Tool to unify the conversion. Dozens of hundreds of audio files can be automatically converted to MP3 format with one key import. The operation is simple and novice Xiaobai can easily handle it!

the sound quality of AAC is usually better than MP3 at the same bit rate, so if we want the audio file to be smaller while maintaining better sound quality, using AAC format is a good choice. To convert the audio format to AAC, you can use HeSoft Doc Batch Tool , support MP3, WAV, M4A and other different formats of audio into AAC, can also be a key batch conversion of hundreds of files, time-saving and easy to use.

In daily office, we often need to affix electronic seals to the last page of multiple PDF documents. Whether it is contract filing, report approval or data retention, manual processing one by one is not only inefficient, but also prone to omissions or errors. This article will share three practical methods, whether it is daily life or office scenes can be used to help greatly improve work efficiency.

The boss suddenly said that he would replace the whole paragraph of the "initial plan" in all the project reports last year with the new "optimized executive summary"; or the company has updated the product introduction template in a unified way, and you need to find out the whole paragraph of the old company profile in dozens of contracts and bids, and replace it with the new version one by one... Turn over the page, copy and paste it to the soft hand, and you are afraid of missing one. The function of [finding and replacing complete paragraphs in Word according to keywords] introduced today is specially designed to end this pain. It is not a simple "find and replace a few words", but can intelligently locate the entire paragraph containing specific words, and then replace the entire paragraph with one click.

Videos saved online won't play on your iPhone, iPad, Mac or QuickTime? Or is it that videos in various formats such as MP4, AVI, MKV, etc. should be uniformly converted into MOV format to facilitate importing professional software for editing? As a multimedia file format developed by Apple, MOV is famous for its characteristics of supporting multiple media types. It is often used to store files containing multimedia elements such as video clips, movies, audio tracks, etc. It has strong advantages in quality and editing, so MOV files are widely used in film production, advertising, multimedia presentations and other fields. When there are dozens to hundreds of video files, we manually convert one by one not only consumes time and energy, but also may lead to uneven quality due to inconsistent parameter settings.