How to reduce the capacity of free online images

Today the image quality has been raised to full HD or even 4K to create a compelling experience for users, with sharp images. However, high quality images often have problems sending via email, sending Facebook messages, or uploading to cloud storage sites. Gmail will limit the size of attachments, so large files cannot be sent. If so, you need tools to reduce image size. We can use Photoshop to reduce the image size, or the FILEminimizer Pictures tool. If you do not want to install the software, you can refer to the website to reduce the image size completely free, without reducing the image quality in the article below.

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3. Have a sharp picture in Photoshop less than 10 seconds

1. Compress images online in Imagify.io

Imagify.io supports compressing multiple images at once, with 3 different compression modes depending on the user select. The photo will automatically cancel on the Imagify.io system after 24 hours.

Step 1:

Users access the link below to visit Imagify.io's homepage. Here we click Try for free to use.

1. https://imagify.io/

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Step 2:

Switching to the new interface in Compression Leve we will see there are 3 different image compression levels.

1. Normal: Normal compression mode keeps the same quality as the original image.
2. Aggressive: Optimal compression mode, does not significantly reduce image quality.
3. Ultra: Maximum image compression mode.

Continuing below are 2 other options with keeping the image after compression at Keep Exifs and resizing images at Resize images . With these two options, users need to create an account to use.

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Creating an account on Imagify.io is also very simple, just enter the password and press Get Started to create it.

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Step 3:

Looking at the content beside has 2 options to upload images.

1. Image Optimization: Select the image available on your computer by drag and drop, or click select to download.
2. Page Optimization: Choose a picture via the website URL.

Uploaded images have a maximum capacity of 2MB, can compress multiple files at the same time. If the account has been activated via registration email, the maximum download capacity is 5MB.

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Step 4:

Soon the image compression process will take place. Any image that successfully compresses will have a Complete notification.

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As a result, users will see the total amount of compressed images. Imagify.io's large-capacity images will announce the amount of compressed images. Here you can share results via Facebook, Twitter.

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Step 5:

Users can download each image or click Combine all your images into one zip file to download all compressed images with zip file .

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The entire compressed file or image will automatically cancel after 24 hours and when the page is reloaded it will no longer be available. For those who have created an account can review the compression history in the History section but the image will still delete the system automatically after 24 hours.

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2. High compress images online

High Compress also supports compressing multiple images at the same time with some other modifications. Besides, the website also adds the feature to insert logo into images.

Step 1:

Users access the link below to go to the homepage of High Compress.

1. https://www.highcompress.com/

Step 2:

At the home page interface we also see 3 different compression types.

1. Normal: Compression mode doesn't change image quality too much. If your image is of low quality with a capacity of less than 1MB, you should use this type of compression.
2. High: Compression mode changes image quality and can compress images up to 70%. If your image is of high quality with a capacity of 1 - 2MB, select this compression type.
3. Super: Compression mode changes image quality, can compress your images up to 95%. Use this style if your image is of high quality with a capacity of about 2 - 10MB.

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Step 3:

Next to upload images to High Compress you will have the option to drag and drop images into the interface or click on Drop / Click to upload .jpg or .png hear. If using the URL, paste the link from Upload from link and click the Upload button to download the image.

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Step 4:

Imaging process is carried out immediately afterwards. You can download multiple photos at once to proceed faster. Image upload size up to 5MB. The results after the compression is completed will display the information about the image size before and after compression, the image is compressed. Click the Download button to download the image.

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Step 5:

In the case of users compressing an image, there will be an additional image quality adjustment depending on the user but not a preset. At the interface click on Try Now at Try Realtime Compression .

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Next, users also download the image they want to compress. Photos after uploading will show the Realtime Compression quality adjustment bar. The percentage of compression increases, the more the image decreases the capacity.

Right on the image will display the compression capacity each time you change, at Original the original and Compresed capacity is the capacity after compression. The image is divided into two sides to the right is the image after compression and the left is the previous compressed image for users to compare image quality.

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Finally, click the Download button below to download the image after it has been compressed.

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3. How to compress image size by Picdiet

Picdiet will compress the image with a large capacity, reduce it to about 75% but the image quality will not change, the image is not blurred, blurred or blurred. This tool is written in JavaScript, fast image compression speed. Users can compare the quality between 2 images after compression and before compressing capacity on Picdiet due to comparison mode.

Step 1:

Users access the link below to visit Picdiet's homepage.

1. https://www.picdiet.com/

Step 2:

By default the tool will compress about 75% of the image quality. But it will depend on the image and the tool automatically aligns itself so that it doesn't affect image quality too much.

First you should choose the level of image compression you want. The lower the level, the more the image size will decrease.

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Step 2:

Click Select Your Image to select the image on the computer. You can select multiple photos at once to compress images.

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The process of downloading photos and compressing photos on Picdiet will take place immediately after. If you download multiple images at the same time, it will take longer than downloading 1 or 2 images.

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Step 3:

The end result is how much the user will see the image with the original capacity, the amount after reducing it, the total% of the image size has decreased. Click the Download button to download the compressed image to your computer.

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Below will be the frame for you to compare the quality, with the right frame (Original) as the original quality image, the left frame (Picdiet) is the image after the capacity is reduced. Photos in the post from 338.29KB to 191.91KB. In general, the image quality does not decrease too much, when reducing the image size by nearly 50%.

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4. Shrink Me compress the image size

Shrink Me supports reducing the image size, but is not limited to the number of images uploaded, as well as the amount of images uploaded. The number of images is reduced relatively much, but the image quality is not changed compared to the original image.

Step 1:

Users access the link below to access the main interface of Shrink Me.

1. https://shrinkme.app/

Step 2:

In the page interface, click on the Select button to upload the image. You can download multiple photos at once in JPG, PNG and Webp formats.

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Step 3:

After uploading the image to the website, the image size will be reduced immediately afterwards. Users will see the optimal capacity and the corresponding decrease in volume. Click the Save button to download the file.

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The image will be saved in the zip file and you need to extract it to get the image.

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5. Compressnow reduce the size of online images

1. http://compressnow.com/

Compressnow is a free image reduction service with very simple implementation. The service supports users to download image formats including JPG, GIF, JPEG, and PNG. Usage is simple, no account is required, you just need to upload photos and select the compression ratio. The maximum image size when uploading Compressnow is 9MB.

Step 1:

First of all, we access the homepage of Compressnow according to the link above. At the main interface, click Upload Image to download the image.

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Step 2:

Soon, you will see the capacity of the original image when uploading Compressnow. Next we will adjust the compression bar above. The higher the compression ratio, the lower the image quality and vice versa. The service will default to 20%. When you adjust to the compression ratio, how much will be included with the corresponding image capacity.

After selecting the appropriate image reduction rate, press Compress now to proceed with reducing the image size.

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Step 3:

At the right frame, you will see the image after being compressed with the current capacity as well as the reduced image size. We click the Download button to download the image or right-click on the image and choose to save the image.

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6. Kraken compresses the image size

1. https://kraken.io/web-interface

Like the Compressnow website, Kraken also supports users to reduce the image size, without affecting the quality of the image.

Step 1:

At Kraken's homepage, select Select source of images, we will click on File uploader to upload photos. Or you can download images by URL link or compress images on a website with Page cruncher. But we need to register an account to use 2 options to download this image.

Next, click on the arrow icon below to download photos from the computer.

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Step 2:

Next to Select optimization mode, we will choose how to reduce image size including:

1. Lossless: compress images to the maximum without changing the image quality.
2. Lossy: image quality will decrease slightly, but not significantly if viewed with the naked eye when comparing two images together. This mode can compress the image size by up to 90%.
3. Expert: This mode will be for those who have a little knowledge of photo editing with different options.

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Step 3:

In Resize your images, users will be given the option to reduce the image size. Finally below will be the compressed image on Kraken with details of the original capacity and capacity after compression and the size of the extracted image. Click Download File to download the image.

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7. WebResizer compresses images online

1. http://webresizer.com/resizer/

WebResizer also has the basic feature of optimizing images, compressing capacity without affecting image quality. However, users will have more options to edit photos such as cropping images, adding borders, rotating images, .

Step 1:

On the homepage of the website, we will click on the Choose file to download the image to reduce the size, then click on the upload image to upload the image.

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Step 2:

Soon we will see the Optimized image reduced with an Image image with reduced capacity and Original Image of the original size. As can be seen, WebResizer reduces image size by more than 90%. Click Download this image to download the image.

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In addition, the service also supports users to edit the image when clicking on Border or cropping images when clicking Crop Image.

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Or customize some of the options below, click apply changes to save the changes.

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These are online websites that feature image reduction, without affecting the quality of the images. Now you can freely send photos or upload quality photos to websites or social networks already.

Refer to the following articles:

1. How to sharpen images in Photoshop in 2 ways
2. How to distort a photo in Photoshop
3. 3 tips to improve low-resolution image quality