Many times we create pdf files that we don’t want anyone to be able to edit, copy, or even print. But how to achieve this if you want to allow users to open it without problem? You just have to protect it against copying, editing and printing, which fortunately is very easy. You could do it with original Adobe software, but it is also possible to use free and open-source software. How do you do it? we tell you how to protect a pdf file.
Steps to follow:
1. One of the best options to protect a pdf is to do it with OpenOffice, the free version of Microsoft’s Office suite. You can download it for free at http://www.openoffice.org/download/index.html. Choose your version, download and install it following the instructions.
2. Open OpenOffice. Go to File> Open and open the file you want to protect. It may already be in PDF format or it may still be a text file.
3. Click File> Export PDF … A PDF Options window will open. Go to the ” Security ” tab.
4. You will see that at the bottom of the “Security” tab there are several options to limit the permissions of the PDF, but that you cannot change them. To do this, you must first establish a password. Click on ” Set passwords “.
5. The first password is so that only people with the key can open the file. The second, the one that interests us, so that only people who know that code can make changes. Enter a password, confirm it, and click “OK.”
6. Now you can edit and configure the permissions. Put them to your liking and click “Export”.
7. Enter the file name you want for the protected PDF and click “Save.” You already finished! Now if you want you can open the PDF to check that if you want to copy, edit or print it asks for a password. And if you want to know how to unprotect a PDF, in this article we will explain it to you.
If you want to read more articles similar to How to protect a pdf file, we recommend that you enter our How-To category.
How to Fix Blurred Images/Photos on Android Phones
Why your photos can be blurry (blurred) There are several factors that cause them, including: When taking photos it is unstable (shaky), the object you are photographing is a moving object, the camera lens is dirty, the camera application is not functioning properly and several other causes.
How to Fix Blurry Pictures Taken from Android Phone:
1. Use an app to fix blurry photos
Most image editing apps include a useful function to sharpen photos, this feature you can use to improve your Android photos.
As for the method, I have discussed it in a previous article here
Or you can also try other apps like VanceAI and Neural. love, Let’s Enhance, and MyEdit
2. Take precautions so that the photos are not blurry
Tips for preventing blurry images on Android phones, there are several things you can try to prevent this, including:
- Clean your phone lens
- Take photos in better lighting conditions
- Delete the Camera application cache, go to the menu: Settings > Storage > Devices > Cached data > Clear cached data > OK.
- As much as possible, avoid excessive zoom functions when taking photos on an Android cellphone camera.
How to Fix Spotify AI DJ Not Showing
As a music streaming service, Spotify has revolutionized the way we listen to music. One of its most exciting features is the AI DJ, which creates custom playlists based on your music preferences. However, sometimes users encounter an issue where the AI DJ feature is not showing up. In this article, we will go through a step-by-step guide on how to fix this issue.
Step 1: Check for Updates
The first thing you should do is check if your Spotify app is updated. If not, update it to the latest version. This may resolve any glitches or bugs that are causing the AI DJ feature to disappear.
Step 2: Clear Cache
Clearing the cache on your Spotify app may also help resolve this issue. To do this, go to your app settings and select “Storage.” From there, tap on “Clear Cache” and restart your app.
Step 3: Disable Battery Saver
Sometimes, battery saver settings can interfere with the app’s performance. To disable the battery saver, go to your phone’s settings and select “Battery.” From there, disable any battery-saving modes that are enabled.
Step 4: Check the Internet Connection
Make sure that you have a stable internet connection. If your internet connection is slow or unstable, the app may not be able to load the AI DJ feature.
Step 5: Check Country Settings
Spotify’s AI DJ feature is not available in all countries. If you’re using the app in a country where this feature is not available, it may not appear on your app. You can check the list of countries where the AI DJ feature is available on the Spotify website.
Step 6: Check the Subscription
The AI DJ feature is only available to Spotify Premium subscribers. If you’re using the free version of the app, you may not be able to access this feature.
Step 7: Reinstall the App
If none of the above steps work, you can try uninstalling and reinstalling the app. This will reset the app to its default settings, which may resolve any issues that were causing the AI DJ feature to disappear.
Step 8: Restart Your Device
If the issue persists, try restarting your device. This can help fix any software issues that may be causing the problem. Here’s how to do it:
- Press and hold the power button on your device.
- Tap on the “Restart” option when it appears on the screen.
- Wait for your device to restart, and then try opening the Spotify app again.
Step 9: Contact Spotify Support
If the issue persists after trying all the above steps, it’s time to contact Spotify support. You can reach out to them through their website, and they will guide you through resolving the issue.
Spotify’s AI DJ feature is a great way to discover new music based on your preferences. However, it can be frustrating if it’s not showing up on your app. By following the steps outlined above, you should be able to resolve the issue and get back to enjoying your music. Remember to check for updates, clear cache, disable battery saver, check internet connection, country settings, and subscription, and reinstall the app. If all else fails, don’t hesitate to contact Spotify support.
How to Overcome steam error code e84
The steam error code e84 problem usually occurs when we are about to log into the Steam platform, this error is also accompanied by Something that went wrong while attempting to sign you in.
If you are currently experiencing the same error. So in this article, we are going to provide you with the repair solution with the simplest way to fix it.
1. Delete Temporary Files
Temporary Files on your computer can sometimes make Steam run improperly. One is the steam error code e84, so try deleting temporary files from your computer. To do so, follow these steps:
- Press the Windows key + R then type the command %temp% and press the Enter / OK key
- Then delete all files and folders in the temp folder
- After that, try restarting your computer, and try opening Steam, is the error code E84 still there?
Deleting all of these folders will not cause errors or damage to the computer/programs on your computer, because all the files in this temp folder are temporary files that are no longer needed.
2. Update the Steam Application
Check if there is an update available for the steam application, if there is, please update immediately. And after the update is complete, try opening the Steam application again.
3. Reinstall the Steam App
If the two methods above don’t work, there could be some problematic or damaged Steam system files. The best solution is to reinstall the Steam application.
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