Sharpen Image Free without Watermark

2020-09-25 05:40:13

What is a sharp photo? A sharp photo usually features clear lines, crisp details and no blurring. In order to achieve such a sharp image, it calls for a good cooperation among focus, camera and lens. And there is a golden rule between lenses and shutter speed you must know. If your images are blurry, take photos another time or use some software to sharpen image.


Here, I am going to introduce an AI image sharpener, helping you sharpen image by removing motion blur and out-of-focus blur, scale PNG/JPEG up to 40x times, and reduce background noise, chroma noise, as well as luminance noise. Its name is DVDFab Photo Enhancer AI. Have you ever heard of this image sharpener? Follow me to see how to use this freeware to sharpen blurry image.



1. How to Sharpen Image

Choosing DVDFab Photo Enhancer AI to sharpen pixelated image, you are not required to know too much about photo enhancement. So this image sharpener is highly recommended to beginners. However for expert in image enhancement, this image enhancer is second to none and worth your attention as well, since it is one of the few software able to sharpen image with artificial intelligence technology. Follow me to see how it works.


(1) Free Download and install this image sharpener

DVDFab Photo Enhancer AI is compatible with Windows 10/8.1/8/7, and you can download it with just one click. During a free trial, you can upgrade 5 sharp images at most. For more image sharpener service, $79.99 is needed per year. It is the best software to sharpen image.



(2) Click “Sharpen” and download AI model

After launching this image sharpener, you will see three buttons listed on its main interface. With an aim to sharpen blurry image, you need to click the second button of “Sharpen”. And then, its AI model will be downloaded for you to sharpen image later.



(3) Add your file to this image sharpener

There are two ways for you to import your file. Click the button of “Open Images” in the upper-left corner, or drop & drag images here to start.



(4)Choose one display mode

There are two display modes for you to view your image: Split and Side by Side. The picture below is in the former mode. Choose either of them to sharpen image.



This is anther display mode: Side by Side.



(5) Select a special angle to view your sharp image

Put your mouse cursor on the left image and move. Then the displayed section will change accordingly. Alternatively, you can move the rectangle in the right image to highlight one section when you sharpen image. 



(6) Set options under “Sharpen AI”

There are two options available under “Sharpen AI”, including “Sharpeness” and “Suppress Noise”. You can adjust their values from 0 to 100 to get a sharp image based on your preference.



(7) Save the sharp image

Click the button of “Save” in the lower-right corner and set such options below. The output formats include PNG, JPG, JPEG, TIF and TIFF. Input a file name and select either “Source” or “New Directory” to store your sharp image. At last, click the button of “OK”. Then "Sharpen image" is finished. 



This is how to sharpen image with DVDFab Photo Enhancer AI. It is very easy and fast. With several clicks, you will get a sharp image with clear lines, crisp details without blurring. And no watermark will follow your output picture.


2. How to Scale PNG/JPEG

If you think it not enough to just sharpen image using this image sharpener, you can make image clearer further with the button of “Enlarge”. Would you like to enlarge photo to poster and keep all the details of your image intact? Just go ahead.


Steps on how to increase image resolution by “scale png”

(1) Click the button of “Enlarge”

(2) Import your photo to this image sharpener

(3) Scale PNG/JPEG with the default options or customize by yourself (Adjustable range: 1-40)

(4) Use other available options: Suppress Noise, Remove Blur, Brightness, Saturation, Contrast

(5) Save and output to finish "sharpen image"


Through such operations, your file will become more clear. If you want to more sharp image, continue to denoise it following the contents in part three.



3. How to Denoise Photo

The last option in this image enhancer is “Denoise”. After reducing blur in background, luminance and chroma, a more sharp image will appear. Let’s continue to explore.


How to denoise photo to sharpen image:

(1) Click the button of “Denoise”

(2) Open images you want to unblur

(3) Change the value of “Suppress Noise” and “Sharpen”

(4) Save the sharp image

As you can see in the picture below, denoised picture on the right really appears more crystal than the original image on the left. And there will be no watermark on the output file.



4. Summary of Sharp Image Software

In addition to DVDFab Photo Enhancer AI, there are also other ways to sharpen image, such as sharp image online. And there are considerable software you can use to unblur image both online and offline. Let’s see what they are.


(1) Unblur Image Online

Many people prefer this way to sharpen image, since it is free. The image sharpener I am going to introduce is not only free, but also free of watermarks. That is Image Sharpener

It is very easy to get an sharp image with the help of this free image enhancer.


How to use:

• Start it and import an image you want to sharpen

• Click the button of “Edit” on the left > “Sharpen” on the right

• Press “Save” in the upper-left corner

• Input file name, select “JPG” or “PNG”, set “Quality”, “Size”, “Pixel”, “Density”, etc.

• Wait your sharpened image to be downloaded


Dedicated to increasing photo texture and sharper edge, this image enhancer is one of the best tools to sharpen image online.




This is another website you can visit to sharpen image. It resizes pictures by adjusting the height and width as much as possible.

Input: JPEG, PNG, WebP, TIFF, GIF and SVG

Output: JPEG, PNG, WebP, TIFF


(3) Other alternatives to unblur image online

PineTools, Fotor, Photo Sharpen, Snapseed, Let’s Enhance, ImageUpscaler, AI Image Enlarger,,,,,, Canvas


(4) Sharpen an image offline


InPixio Photo Maximizer, Adobe Lightroom


AKVIS Refous, BenVista PhotoZoom Pro 8, GIMP, Photoshop


iPhoto, Vsco, Afterlight, Ultra Light


Fix Photo Blur, Image Blur/Unblur Photo Editor


5. Conclsuion

How do I get super sharp image? Unblur image with an image sharpener. There are software helping you sharpen image free without watermark. Have a try to turn blurry pictures into clear. It is easy to unblur image even if you have no knowledge of image sharpener. In pursuit of the best effects like clear lines and crisp details, DVDFab Photo Enlarger AI is your best assistant. Getting sharp image with it is just a snack. And it is easy to learn how to sharpen an image with this free image sharpener. Most important, there will be no watermark left on your output file even if you choose a free trial. Considering different operating systems, there are also software available for you to unblur image online, and sharpen an image on Mac, Android or iPhone. Based on your need, choose the most suitable image sharpener to clear image free without watermark.


Other articles you may be interested:

Unblur Photos Free and Fast [Remove Blur from Photo]

Enlarge Photo Without Losing Quality  [Desktop & Online]

Sharp Photo [Increase Photo Resolution Online & Offline]

① Perform well empowered by artificial intelligence
② Improve photo quality up to 40 while adding more details
③ Turn photo clearer by reducing background, color and luminance noise
④ Sharpen image by removing motion blur and out-of-focus blur
⑤ Support free trial for photo enhancement
⑥ User-friendly and easy-to-use