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Many times, the last thing we see before sleeping or during sleep break is our mobile or cellphone. Some of us also have the habit of browsing on our mobile phones before we sleep, But the blue color light emitted by our cellphones adversely affects our eyes and even the sleeping patterns  . Symptoms such as extreme contracting of pupils on seeing mobile during sleep breaks, minor irration of eyes while using cellphone during night, or simply the inability of eyes to sleep (closing the internal light retina) after using cellphones are all but effects of the emitted light by the mobile displays. A great solution over the problem is to dim & reduce the screen brightness even less than minimum, and by changing the color bandwidth -Here are 3 Best Free apps which will allow you to lower/dim screen brightness even more on Android and make the phone or Android tab ideal for night use and reading –

App # 1 – Twilight app for Android

• Not to be mislead by the name, Twilight is really a great app to reduce the color temperature , and lower the light intensity emitted by Phone’s display.
• Twilight also has options to dim the screen by even reducing the phone’s brightness even less than minimum by using “Screen dim” option.
• Twilight tops our list just because you can customize the display behavior and color temperature using the filters or on movements of Sun (depending upon the phone’s time) . For e.g the general display of our phone’s are built using cool colors recommended during day time , and the same hamper our eyes during night, and hence we need to increase the color temperature for night use.
• Twilight makes this easy by assigning auto-color-correction to display based upon Alarms, and Sun position! Thus, tweaking the display color according to the time to protect your eyes and enhance the phone’s readability and usage.
• To Use Twilight simply tap on the “Play” button , or on the “preview” icon  to see the changes yourselves.
• Click here to download Twilight app from Google Play Store.
• I would highly recommend you to compare the previous twilight image alongside with the one below to yourself during nighttime to observe the effect colors have on our eyes –

  

  You’ll definitely find the Twilight Running(Active) image more comfortable than the Twilight Paused(Not running) image, so will your eyes! they too will prefer the one with twilight active one at night.

App # 2 – Bluelight filter for Android

• Bluelight filter can be classified as a worthy alternative to Twilight app for Android, its second in our list just because it doesn’t provide auto-light and color adjustment like Twilight, rest its completely functional and recommended for use.
• As discussed above, our Cell displays are made with cool colors (which are recommended for day usage) and blue being a cool color is needed to be filtered for night usage, which is what this app does.
• Bluelight filter app for android filters the blue color so that the phone/tab’s display doesn’t irrate your eyes during night usage .
• Also bluelight filter has the “Opacity” filter by which you can further reduce the brightness of your device to even more lower levels, soothing your eyes and saving them further more!.
• Using Bluelight filter is very easy – simply download,install and open the app , And then use the “toggle”/radio button to turn on/off the app.
• Click here to download Bluelight filter for Android.

App # 3 –  Night Mode app

• The above mentioned apps enabled us to change the color as well as the brightness of our screens for night usage, but it may be required that a user only needs to reduce the brightness and not change the screen color for doing some color sensitive work.
• In such cases we need only an app which can reduce the brightness even more without changing the color, here the Night Mode app comes to rescue.
• Using Night Mode app, you can reduce the brightness to even less than minimum brightness present in settings option of your phone! and its pretty much easier too .
• For using Night Mode app, after opening simply adjust the “brightness level” and tap on “Start” , and then to stop the app simply tap on “Stop”. 
• Click here to download the Night Mode app for Android from Google Play Store.
• Check out the below images to compare the difference between brightness using the Night Mode app.

  

  

  So, these are the 3 Best free apps which we personally tested and found to be the most effective for reducing the screen brightness even more on Android, as well as for filtering the blue color for night usage. If you face any problems while using the above apps, or know of any other good alternatives feel free to comment 🙂

The newer crop of Android devices don’t have an external memory card or micro sd card slot, which results in internal phone memory being the only storage solution available for storing data. This internal storage memory also is home to the inbuilt Android OS files and other songs, Whatsapp media, photos & images etc hence preserving the internal phone memory is really important – One way to do the same is by reduce the image/photo size in Android by Compressing the internal photos & images – Here’s one app which will help on How to reduce image size & compress photos without losing quality on Android using Photo Compress App. If you’re an iOS (Apple iPhone) user you can read this linked tutorial.

Tutorial to compress photos using Photo Compress App

• First of all download and install the Photo Compress app from below-

  

  Click here to download Photo Compress app from Google Play Store.

• Once you’ve installed the Photo Compress app, it will ask you to either  “Pick an image from gallery” , “camera” or select “compress multiple photos” (as shown in alongside image – If you’ve selected multiple photos option then select the items/photos or entire album to compress.
• Once you select the photos / images to compress , it will redirect you to option screen as shown below –

  

• Here select the “Compress Image” option to compress the image, Now the app will ask you to confirm the quality of compressed image as shown below –

  

  You can select “High” as though the quality is large, but the filesize is not large enough so the image is compressed is very much like the original! .

• Click on “Compress” and that’s it! .
• Voila! Now, you have successfully compressed the photos & images and saved a large chunk of precious memory on your Android devices. (Do delete the original images from the gallery, so that the space is freed-up and compress images properly replace the originals without duplication!)

I personally, used this tip to recover a big chunk of precious phone memory by reducing the photo size on my Android devices also its ability to resize images and crop them is a plus. If you face any issues or encounter any problems feel free to comment, also we would like to know of any other such app you use for compressing photos & images on Android .