How to PNG, JPG and other pictures in batch scale? The picture and text will be explained in detail.

Figure in time to hate small ah! There are often some small pictures that cannot be put on the table when you use them. They are either distorted and blurred or deformed. The deepest feeling is that when uploading the photo, you are prompted that the size is too small, and some old photos are scanned and the details are pasted into a ball... The root of these problems often lies in the insufficient size of the picture. At this time, the proportional magnification function is like installing an automatic magnifying glass on the picture, but many pictures will not be clear when you magnify them, and manual operation is too slow to process them one by one. What can I do?

Don't worry, I have several good ways to keep the proportion of the picture not distorted, make the details clearly visible, and batch process without taking up manual time. Whether it's designers processing materials, e-commerce sellers optimizing product maps, or ordinary users repairing old family photos, follow me and master this skill to get twice the result with half the effort. Below I will use easy-to-understand language, to introduce a few convenient and easy-to-use batch processing tools, with the introduction of their respective advantages and disadvantages, and finally hand-in-hand to teach you the operation steps. From new employees to family life, from simple needs to professional treatment, following this guide, there is always a tool that can bring fuzzy small pictures back to life.

Under what circumstances do you need to scale up small pictures in batches?

1. E-commerce platform commodity map optimization usually has strict size requirements, but the original picture taken may not have enough resolution, or the downloaded picture pixels are too small.
2. When creating social media content, such as a popular small book, its cover or video cover often requires multiple pictures to be uniformly enlarged to a fixed 3:4 size ratio. You seem to be vaguely taking Chinese pictures, which definitely cannot meet the requirements of the platform, let alone attract users to click.
3. When printing posters and flyers, the original design may not have enough resolution. It is necessary to enlarge the picture in equal proportion to avoid stretching deformation and ensure the clarity of text and patterns.
4. Old photos may be blurred or undersized when scanned due to their age.
5. Also, when inserting pictures into PPT, low-resolution pictures will be seriously distorted after enlargement.

Preview the effect of enlarging the resolution of png, jpg, etc.

Before treatment:

after treatment:

method 1: Use HeSoft Doc Batch Tool Enlarge the size of the picture

recommended Index:★★★★★

Advantages:

1. simple operation, no technical threshold, suitable for novice white and zero-based personnel.
2. It can process tens of thousands of picture files at one time, and can realize accurate batch operation for pictures of all format types.
3. There are many functions, not only can enlarge in equal proportion, but also reduce the picture in equal proportion.
4. Without manual operation, it can automatically help you to process, and will not damage the file format and picture content layout.
5. Confidentiality is strong and will not reveal your personal privacy and the privacy of the picture.

Disadvantages:

1. can only manually install and download third-party software, computer memory.
2. There is no online version, nor does it support the installation and use of mobile phones.

Operation steps:

1, open. HeSoft Doc Batch Tool , find and select the picture tool on the home page-then open the first [picture effect enhancement]].

2. Select the point to add files from the upper right corner of the next step or import picture files from folders to add all pictures that need to be enlarged in jpg, png, jpeg and other formats.

3. Select zoom in or zoom out, and then drag the dot to adjust the zoom out/zoom in ratio of the picture. For example, here we enlarge the size of the picture to 200 of the original picture.

4. After the setting is completed, enter the next step, select the saving location, and then wait for a while. After the processing is completed, click the saving location directly to view. All pictures have been enlarged to the specified size in equal proportion.

Method 2: Use Bigjpg to enlarge JPG and JPEG images

recommended Index:★★★☆ ☆

advantages:

1. using deep learning technology, the details are clear after enlargement, especially suitable for animation and illustration pictures.
2. Support batch processing, upload up to 20 pictures at a time.
3. Provide 2 times, 4 times, 8 times magnification options to meet different needs.
4. The free version supports maximum 3000 x 3000 pixel output.

Disadvantages:

1. the free version needs to wait in line for processing, and the peak period may take 10-20 minutes.
2. The higher the magnification, the longer the processing time, 8 times magnification takes about 5 minutes/sheet.
3. Only images up to 10MB can be uploaded.

Operation steps:

1. First, we open the website and click to select the picture to upload the file. Drag and drop upload is also supported.
2. Select the magnification in the magnification configuration, and it is recommended to try from 2 times.
3. Then select the picture type, with photos or cartoons/illustrations, the latter is better.
4. Finally, click the Start button to submit the task and wait for the processing to be completed. After that, download the enlarged picture! Support ZIP package download ~

method 3: Use Let's Enhance online image processing tool to enlarge the image resolution

recommended Index:★★★☆ ☆

advantages:

1. provide photos, portrait, art three intelligent mode, targeted optimization of different types of pictures.
2. Support batch processing, upload up to 10 pictures at a time.
3. The free version supports up to 5MB images and 2x magnification.
4. Fast processing speed.

Disadvantages:

1. the free version only supports basic functions, and advanced functions, such as 4 times magnification and noise reduction, need to be paid.
2. The interface language is English, which is not friendly to English users.
3. After uploading images, you need to wait for review and may be rejected, such as involving copyright content or other violations.

Operation steps:

1. After opening the web page, register your account and log in to pay for it. If you use it for free, you don't need a credit card.
2. Click Upload to upload the picture, or drag the file to the designated area, select the processing mode, and recommend Photo for ordinary pictures.
3. Arc setting magnification, the free version is limited to 2 times, and then click the Start processing to start processing.
4. Click the Download to save the picture after the processing is completed.

Method 4: Use ImageUpscaler to enlarge the image size in batch

recommended Index:★★★☆ ☆

advantages:

1. support batch processing, upload up to 5 pictures at a time.
2. Provide 2 times, 4 times, 8 times magnification options.
3. The free version supports up to 5MB images and 2x magnification.
4. Fast processing speed, 2 times magnification of about 30 seconds/sheet.

Disadvantages:

1. free version of the output picture with a watermark, need to pay to remove.
2. The higher the magnification, the coarser the detail processing, and artifacts may appear in 8 times magnification.
3. Only JPEG and PNG formats are supported.

Operation steps:

1. First open the website link, and then click Upload Images to upload the picture.
2. After selecting the magnification, click the Start to Upscale directly to start processing.
3. Click the Download to save the picture after the processing is completed. The free version needs to be downloaded manually one by one.

Method 5: Use PicResize batch processing picture tools to operate the zoom-in and zoom-out of pictures

recommended Index:★★★☆ ☆

advantages:

1. support batch processing, upload up to 25 pictures at a time.
2. Provide custom size, percentage scaling two modes.
3. Completely free, no registration required.
4. Support JPEG, PNG, GIF, BMP and other formats.

Disadvantages:

1. using the traditional interpolation algorithm, the details are blurred after magnification, which is suitable for simple zoom, but not suitable for high-quality magnification.
2. The free version outputs lower picture quality.
3. There are many advertisements on the interface, which is easy to be delayed.

Operation steps:

1. First, we open the correct website link, click Batch Resize to enter the batch processing page, click Browse to upload pictures, or drag files to the designated area.
2. Then select Resize by, enter the target width and height, and check Keep Aspect Ratio to maintain the proportion.
3. Then select the output quality, recommend Best, and then click Resize Images to start processing.
4. Wait a minute. After the processing is completed, click on the Download All to package and download.

Summary

the skill of enlarging pictures in batches with equal proportions is like a master key, which can easily unlock various picture enlargement requirements. From e-commerce sellers to social professionals, from designers to ordinary users, the five tools mentioned above have their own advantages, and there is always one that can help you. The first method is simple to operate, has few process steps, is suitable for newcomer machine Xiaobai, and can also help you to quickly deal with and improve work efficiency. In addition, the most important point is that it can protect your privacy and not disclose important secrets. The other four are also feasible. Whether you want to repair old photos, optimize product maps, or create social media content, you can find the right one in this guide. It is important to note that when choosing tools, you need to weigh all aspects of speed, quality and cost according to your needs. Well, try these tools now!