Best Online Tools for Compressing Images

How many times have you thought of sending multiple images to your loved ones but just because of the file size would have easily avoided. Gone are those days of worrying about file sizes as now embrace compression based online tools to your rescue. Here we have shortlisted a few online tools which can help you compress images without losing quality. Hope you will be excited to discover for yourself. Go ahead and make the best use of these tools.

This is the best image size optimization tools as it allows the user to choose between lossy (picture quality reduction) and lossless (same picture quality) compression. You can export compressed images using Dropbox or Google Drive. It supports the compression of 4 image formats that is, JPEG, PNG, GIF, SVG. It doesn’t allow you to bulk upload images, though, and the single file sizes are limited to 10 MB.

JPEG Optimizer

This image compression tool does really well at decreasing file size, but the compressed image’s quality is noticeably lower than the original’s. It only allows the user to upload and compress one image at a time, which makes it unfeasible for bulk image compression.


It allows the user to quickly and easily compress .jpeg and .png image files. It uses the best optimization and lossy compression algorithms to shrink JPEG and PNG images to the minimum possible size while keeping the required level of quality.

It supports bulk upload and bulk compression as you can upload up to 20 images at a time. Furthermore, once the images have been compressed, you can choose to download them either separately or together in a ZIP archive. The instant preview feature lets you compare your original image to your compressed image & you can set your desired compression level from this preview.

This is another convenient image optimization tool. It comes with a feature similar to — it allows you to choose between lossy and lossless compression.

Like Optimizilla, The user can upload unlimited number of images, although each image file must be 1 MB or less in size. The user can also choose to download each compressed image separately or in a ZIP archive and can compress multiple files in one go.

Resize Photos

This is a well-featured image compression tool that allows for some pretty remarkable file size savings. Before compressing, you can set the width of the optimized image and select the desired quality level from 1-100, in increments of 5.


This is one of the oldest and the most well-known websites for compressing images online. It will support compression of both .jpeg and .png image files. You can bulk upload images with drag and drop (up to 20 at a time, 5 MB max each). Each image can be downloaded straight to your computer or saved to a Dropbox account.

Ranking Easy Online Image Optimizer

This is a unique image optimizer; even though the interface is a little unpleasant and the site layout doesn’t look very nice, it comes with a unique feature that is, As soon as you upload an image, Ranking Easy will compress the image at seven different qualities from a scale of 1-100 (it compresses to 70, 60, 50, 40, 30, 20, and 10).

Thus, for each quality level you can see what the image looks like and what your file size savings are, allowing you to make a better choice for whatever fits your gallery.

Convert Image

This is a highly functional .jpeg compressor with a very simple, step-by-step process. Just upload your image, choose your compression level from 1-100 , preview a quality level before compressing t and download. The user can even convert JPG image to a BMP, GIF, ICO, PCX, PDF, PNG, PSD, or TIF .

Compress JPEG

This is another famous image compression tool which looks and functions same like but in CompressJPEG there is no preview window to check the image quality.It automatically compresses the image at 69% compression level, the user has the option to download the image after compression to cross check the quality of the image.

GiftOfSpeed .PNG Compressor || JPG Compressor

This is another easy to use online image compressor site.It has an image delivery tool that allows the user to check if images on their blog posts or websites are well-optimized. It will also suggest things that you can do to further optimize your site.


It completely depends on user necessities which image compressor works best for their images. For instance, if transparency preservation is of utmost importance, TinyPNG could be the best option because it generates a small file size and it preserves transparency. However, if you work with more than just PNGs, TinyPNG won’t match the list. If file size matters most, then JPEG-Optimizer’s 99 percent compression could be the best option.

Sharon Christine
Sharon Christine

An investment in knowledge pays the best interest

Updated on: 20-Jan-2020


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