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20 Best FREE Image Optimizer Tools to Compress Photos to Speed Up your Website

How do I reduce the size of an image? There is a lot of image optimizer online tools available to compress a JPEG or PNG photos to speed up your website efficiently. Image optimization is good for your users and for your server. With online image compressor tool, you can keep the image quality after compression or enable lossy minification if you are interested in getting the smallest file size possible.

Uploading large image on WordPress blogs or other websites may be frustrating you with failed uploads due to image size restrictions or your low Internet connection speed. In this case, you have to compress images before starting upload on your website. So, if images are compressed, your website is considerably loading fast from that you will get SEO benefit for your sites.

Another thing is uploading large images on your website take up a lot of web storage space and it creates slow loading web pages experience for site visitors. To address this problem you can simply decrease image file size using image optimizer service online.

So clearly, fast website speed is crucial to any website. You must use the best image optimizer tool before you upload them to your site. The following image optimizer for web will effectively compress image file sizes without losing visual image quality. Let’s see image optimizer reviews in 2021 and start using one of the below 20 tools to optimize your images.

Best Free Online Image Optimizer Tools for Image Compression

1. Tiny PNG – image optimizer for web

Tiny PNG is the best image optimizer online tool and it will support compression of both .jpeg and .png image files. You can use for bulk image compression.

This online image compressor is using smart lossy compression techniques to minimize file sizes. You can bulk upload images with drag and drop (up to 20 at a time, 5 MB max per size image). The compress imaged can be downloaded straight to your computer or save to a Dropbox account.

2. is a fantastic online image compressor without quality loss. This image optimizer online has an advantage over TinyPNG because you can use to optimize GIF and SVG files in addition to PNG and JPEG files.

It allows you to use both lossy compression and lossless compression techniques to optimize images with high compression rates. It doesn’t allow you to bulk upload images, though, and the single file sizes are limited to 10 MB. You might find that some images will be reduced by 90 percent or more!

3. EWWW Image Optimizer for WordPress

EWWW Image Optimizer is the best image optimizer WordPress plugin to compress image while you are uploading images and comes with an option for optimizing existing images in your media library. It allows you to optimize any JPG, GIF or PNG files in WordPress.

The EWWW plugin allows both lossy and lossless compression techniques to optimize photos on your blog. For a self-hosted WordPress site, free download image optimizer here.

4. WP Smush – best image optimizer wordpress

Smush Image Compression and Optimization is 100% FREE WordPress plugin to resize, optimize and compress all of your images. Large image files may be slowing down your site without you even knowing it. WP Smush uses super servers to quickly every single one of your images and cuts all the unnecessary data without slowing down your site.

5. JPEG Optimizer

JPEG Optimizer is another online image compressor for decreasing file size.

6. Optimizilla

Optimizilla is a cool image compression tool that works you to quickly and seamlessly compress .jpeg and .png image files. It gives minimum possible size while keeping the required level of quality.  Upload up to 20 images. Wait for the compression to finish. Click thumbnails in the queue for quality setting. Use the slider to control the compression level and mouse/gestures to compare images.

7. is a freemium tool. If you want advanced optimization methods, you are willing to pay for optimization and high-quality results. A premium plan will allow you to upload more and larger images. You are able to access a wide range of advanced features like image resizing, API access, better use of the WordPress plugin and more.

8. ImageOptim

ImageOptim is an image optimizer for mac and web service. This Mac app reduces image file sizes with maintaining the best possible quality. This is anexcellent image optimizer for web uses lossy compression plus a convenient drag-and-drop feature to upload and optimize JPG, GIF and PNG image files.

9. Ranking Easy Online Image Optimizer

Ranking Easy is a unique image optimizer tool come with amazing features. It compress images at seven different qualities from a scale of 1-100 (it compresses to 70, 60, 50, 40, 30, 20, and 10).

10. Resize Photos compress image optimizer online

Resize Photos is a nice image compression tool allows for some pretty remarkable file size savings. You can set the width of the optimized image and select the desired quality level from 1-100, before compressing images.

11. GiftOfSpeed .PNG Compressor  .jpg compressor

GiftOfSpeed tool can compress your PNG images so they will have a smaller file size (kilobytes). It uses multiple compressing modules/techniques to get the smallest file size possible. By reducing the file size of your image files your visitors need less time to download your PNG files to fully load your web JPEG Compressor and Resizer you can compress your JPEG files .PNG Compressorjpg compressor

12. ImageRecycle

ImageRecycle is is another great image & .pdf compression tool.

13. Compress Photos – image optimizer online bulk

Compress Photos is a very simple tool to optimize images. Although you don’t have any extra features like custom width or quality control, you can bulk upload and compress an unlimited number of .jpeg or .png at once.

14. Convert Image

Convert Image is a jpeg compressor with step-by-step process. You can even convert your JPG image to a BMP, GIF, ICO, PCX, PDF, PNG, PSD, or TIF while you’re at it.

15. PNGGauntlet

PNG Gauntlet lets you optimize PNG files and is available for Windows. It combines PNGOUT, OptiPNG and DeflOpt to create the smallest file sizes possible, with no reduction in image quality.

16. CompressNow

CompressNow is a free online service that allows you upload images from your computer, choose a compression percentage and download the optimized image. It supports GIF, JPG and PNG formats.

17. Trimage

Trimage is a cross-platform tool for optimizing PNG and JPG files using OptiPNG, PNGCrush, AdvPNG or JPEGOptim, depending on the file type.

18. JPEG Reducer

JPEG Reducer shrinks the sizes of your images and photos to make them load faster, and works by using lossy compression.

19. Online Image Optimizer- GIF, JPG, and PNG

Dynamicdrive Image Optimizer lets you easily optimize your gifs, animated gifs, jpgs, and pngs, so they load as fast as possible on your site. Furthermore, you can easily convert from one image type to another. Upload Size limit: 2.86 MB Visit site

20. FILEminimizer Pictures

FILEminimizer Pictures is a software to reduce the size of your images, photos and pictures by up to 98% through our native file optimization technology. After compression, your photos and images are still in your image format and are still beautiful, but a lot smaller in size.

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