A large number of PDF pages how a key to convert to a long map? 6 ways to interpret!

PDF files, as the main file format in work and life, are widely used because of their stable format and strong cross-platform compatibility. Academic papers, project reports, electronic contracts, or teaching materials are inseparable from PDF. However, when multi-page PDF content needs to be integrated into a vertical long map, the traditional single-page transfer map method can no longer meet the needs. Splicing all PDF pages into a JPG long map can not only improve the consistency of information display, but also realize the effect of quick preview in social media, presentation report or mobile office.

This operation is especially suitable for scenarios such as long documents, flowcharts, and contract previews. Next, I will give you an in-depth analysis of the actual application scenario of PDF conversion map, and introduce you to 6 powerful and convenient pdf-to-picture format conversion tools, with detailed operation steps and comparison of advantages and disadvantages, so as to help you choose the most suitable scheme according to your own needs, realize efficient and accurate file processing, and improve work and learning efficiency.

Under what circumstances do you need to batch convert hundreds of PDF pages into a JPG picture?

Today, with the increasing popularity of digital office and learning, with the diversification of information display methods, sometimes we need to present PDF documents in a more intuitive and easy to spread form. PDF is converted into a vertical long picture. There are the following scenarios:

1. when sharing social media content, users are more likely to browse long images at a glance than download open PDF files.
2. When reviewing, students integrate multiple pages of notes or handouts into a long picture, which is convenient to slide vertically on mobile phones or tablets without frequent page turning.
3. When previewing a contract or document, sending a PDF directly may involve privacy or editing risks. After converting the picture, it can not only display the content completely, but also prevent it from being modified at will, and it is convenient for quick preview. Moreover, although the long map cannot be edited, it can be used as the first draft of the review and annotated with the annotation tool to facilitate team collaboration.

Preview of the effect of converting PDF into a whole jpg picture in batch

before treatment:

after processing (in fact, format conversion can support pdf to png, jpg and other ways, here to demonstrate the effect preview of jpg):

method 1: Use HeSoft Doc Batch Tool to convert pdf files

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Advantages:

1. the software runs locally, with high privacy security and will not be uploaded to the cloud, effectively avoiding the risk of data leakage.
2. Support batch processing, high efficiency, can import multiple PDFs at one time, automatically convert all pages of each file into long pictures, no need to operate one by one, improve efficiency, suitable for processing a large number of documents.
3. The conversion quality is adjustable, the output is clear, the original typesetting and color can be retained, and there will be no problems such as text dislocation, picture distortion or background discoloration.
4. The software can be used offline without network.
5. Support a variety of image format output, in addition to the common JPG, PNG, some versions also support BMP, TIFF and other formats to meet the needs of different scenarios.

Disadvantages:

1. it is necessary to download and install, which takes up system resources. For temporary users or low-configuration computers, it may cause slow operation.
2. Installation and use of mobile devices are not supported, only PC windows version is supported.

Operation steps:

1. Open 【 HeSoft Doc Batch Tool ], select [PDF Tools], and then select [PDF to JPG Image]].

2. Add one or more PDF files that need to be converted into long pictures, or you can choose to import all PDF files in the folder, or you can support one-click drag and drop more conveniently.

3. Enter the setting page and select to process all pages in [Processing Scope]. If you want to generate a long picture from all pages of pdf, open the "Splice into a Long Long Picture" button. The blue color indicates that it is open, and then click to enter the next step.

4. After waiting for a few seconds, the processing is completed, and then click on your save location to view the converted JPG picture file.

Method 2: Use Smallpdf PDF online editing tools for format conversion

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advantages:

1. beautiful design, smooth operation, support for multiple languages.
2. You can upload a PDF once and automatically turn each page into a separate JPG or PNG.
3. The output quality is high and the original resolution is preserved.
4. Support OCR recognition, suitable for processing scanned PDF.

Disadvantages:

1. login is required, the free version has limited functions, is limited to 2 tasks per day, and does not directly support long map splicing. It needs to be converted into small maps for splicing and secondary processing.
2. The file size is limited to 15MB. Although it can be processed in batches, it does not support large or excessive file processing.

Operation steps:

1. First enter the website and click the "PDF to JPG" button.
2. Add the pdf file that needs to be extended, start the conversion and wait for the conversion to be completed.
3. Download all page pictures, and then use the online puzzle tool to splice the pictures vertically.

Method 3: Use ILovePDF online pdf processing tools to convert the file into a long map.

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advantages:

1. this is a tool designed for PDF processing, strong stability.
2. It supports batch conversion and can operate "the whole document composes a long picture".
3. It is free to use and there is no mandatory registration.
4. Simple interface, support for multiple languages, fast conversion.
5. High security, files are automatically deleted after 2 hours.

Disadvantages:

1. the free version has a limit on the number of uses, and free users can handle files within 200MB.
2. Single processing file ≤ 15MB,
3. large file conversion is slow.
4. The privacy of every file cannot be guaranteed.
5. Long-length images need to be manually merged through "PDF to JPG". The "one-click long image" function is not directly supported.

Operation steps:

1. First, open the website of the official website, select the "PDF to JPG" tool to enter and add PDF files.
2. Then select the conversion mode and start the conversion.
3. After downloading and saving all JPG pictures, use other tools to manually splice the long pictures with one key.

Method 4: Use PDF24 Tools to batch convert pdf files into picture format

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advantages:

1. completely free, no file size limit, but still too big not too line ha ~
2. support JPG, PNG, TIFF and other output formats, more powerful and more convenient.
3. Can be processed locally in the browser, high privacy security.
4. No need to install any software, will not take up memory.
5. Support offline use, feature-rich.

Disadvantages:

1. the interface is slightly complicated, and the long map function needs to use "PDF to Image" followed by "Image Merger" tool.
2. Interface for foreign language style, Chinese prompts less, need to use translation software.
3. Oversized PDF may caton.
4. If the network is slow, it will also image processing results.

Operation steps:

1. Open the "PDF to Image" tool and add PDF files.

2. Set the output format to JPG and download all pictures after conversion.
3. Enter "Image Merger" again, upload all JPG, and select "Vertical Splice" to generate a long map.

Method 5: Use Online2PDF to convert pdf into jpg pictures online

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advantages:

1. support batch processing.

2. No need to download software, does not take up space.

3. High conversion quality, customizable resolution.

Disadvantages:

1. free users have a minute limit of 250 minutes per month.
2. Complex interface, novice is not easy to get started.
3. Some features require subscription.
4. There are many advertisements on the interface, and the advertisement pop-up window interferes with the operation.
5. No direct long map function, step-by-step operation is required.

Operation steps:

1. First open the website and use the "PDF to JPG" function to convert PDF into multiple pictures.
2. After downloading the picture, use other tools to merge the long picture, and finally export it to a single JPG long picture.

Method 6: Use CloudConvert online for pdf format conversion

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advantages:

1. support API calls, high conversion accuracy, suitable for developers.
2. Support advanced settings: DPI, background color, image format.
3. Can handle encrypted PDF, more private.
4. Provide API interface, suitable for developers.
5. No need to install any external software, does not occupy memory.

Disadvantages:

1. free users have a minute limit of 250 minutes per month.
2. Complex interface, novice is not easy to get started.
3. Some features require subscription.
4. Advertising pop-up window interference operation.

Operation steps:

1. Open the correct URL first, then add the PDF file and select the output format as JPG.
2. Download the picture after conversion and save it. Use the beauty picture tool to merge the picture into a long picture.

Summary

in some cases, the compressed long image is lighter than the original PDF, saves space, and has the advantages of strong visual coherence, convenient transmission, tamper resistance, and high compatibility. Converting all PDF pages into a JPG long map is a document processing method of great practical value, especially suitable for scenes such as content sharing, teaching display and mobile reading. It not only improves the visibility and dissemination efficiency of information, but also enhances the tamper-proof and compatibility of content. In fact, at present, most online tools do not directly support "one-click generation of long PDF images". Usually, PDF images need to be converted into multiple JPG images before splicing through image merging tools. However, through the combined operation of "PDF to image merging", everyone can still achieve the goal efficiently. Mastering the overall operation steps of this skill will greatly improve your office and learning efficiency. The above methods, if you want to batch conversion quickly and well, and the steps are simple without secondary generation conversion, the first method is better! We can decide according to our habits and situations. I hope this article can help you ~